Trailblazer Ac Compressor Not Engaging Trailblazer Ac Compressor Not EngagingSolutions: Replace FCM ($25 Ebay), Large cooling fan ($75), compressor clutch ($120 Ebay). Question type: Maintenance & Repair. 1) Noticed the compressor was not engaging. 2004 trailblazer a/c compressor wont engage fuses and relays. Anton's Plumbing, Heating/Cooling & Energy Experts. A/C Intermittent Issue (compressor clutch engaged). Mechanic's Assistant: Are you fixing your Verano yourself? What have you tried so far? Yes, checked 10amp fuse on fuse box, checked voltage on pressure switch I have good 5volts and good ground also theres good ground on ac compressor …. Warning Signs Your Car AC Compressor is Going Bad. Coolant temperature sensor has low resistance when …. Chevrolet AC blend door Actuator Repair (Not Replacement!). If the compressor is not working, the refrigerant level might be low or there could be an electrical issue in the compressor itself. installed new AC compressor w/clutch worked when installed in late summer after the winter it did not work. Quickly read low pressure gauge. Finding and repairing the short or open in the air conditioning circuit will be necessary. Power Stop K137 Front Brake Kit with Drilled/Slotted Brake Rotors and Z23 Evolution Ceramic Brake Pads. Importance of AC compressor replacement. When you say the fans are blowing hard, I would tend to think you are talking about the fans in front of the radiator. There are many types of unfamiliar noises that could come from under the hood of a car when something failed to work properly. If the AC system is good at the under hood fuse block then it’s not getting the signal from the BCM. The other day, my AC just quit (clutch not engaging). After that, you need to clean out the expansion valve for it. when you turn your ac on, the copressor has a plate on the outside of the pully that should start spinning. Remove snap ring with snap ring pliers. The key will not turn back and release. I have some problems with ac , some times will not engage the compressor. Q&A: Orifice Tube Installation. The A/C system has a pressure sensor that detects the freon level in the system. Check the continuity of the clutch and coil, verify you a/c comp relay is good, make sure you have power at the compressor and go from there. If "open" then the diagnosis is confirmed. No AC: Compressor/ Clutch not engaging. A/C compressor stops working after 10 to 15 minutes. The front of the pulley (clutch) will spin when turned on. My A/C compressor is not kicking in, fans are working fine, A/C light comes on when pressed. To fix this you need to first fix the leak in your system. Good condition Used AC compressor from local junk yard & labor around $750 w/ tax. try to check the compression on the low side of your ac, the smallest plug where you service the ac. I jumped the low pressure switch at the accumulator, …. Ac compressors are protected by high pressure and low pressure switches in the system. Put direct 12v to compressor, clutch engages. The fans kick on an off, all kinds of clicking. I drive a 1989 S10 Blazer with a 4. First check the refrigerant for proper charge then perform the high. 2004 Chevy Truck A/C compressor does not engage part 2. Your location and vehicle may affect the price of AC Compressor Replacement. The engine will be struggling to compensate for the added pressure. The compressor clutch relay is switched by the PCM and also has a separate fuse. Power Probe used in video → amzn. Is your Chevy truck blowing hot air in the middle of summer? I found a way to fix the actuators that cause this problem (in certain cases). AC clutches have an air gap between the the rotor and stator. I found the ac compressor was not engaging. Trailblazer AC Not Cooling: Why and How to Fix">Chevy Trailblazer AC Not Cooling: Why and How to Fix. Branndonw Premium Member · #3 · Dec 28, 2016. Means low freon capicity because of a leak. Most modern cars feature AC clutches that use low and high-pressure switches and compressor oil levels to turn on and off. A/C inop, compressor does not engage. I took it to a shop, and they vacuumed it down, verified no leaks, then refilled the refrigerant and oil. SOURCE: 2004 Mazda RX8 Heater problem. You can temorarily jumper the connector for the cycling …. Everything but the compressor checked OK , it wouldn't engage. 2002 Trailblazer LS 4WD, 208,000 miles, Limeswap Tune and 2008 (new) cooling fan clutch. 4: cycle the key on for ten seconds and off for ten seconds. This happens whether I'm in town or driving on the interstate. The most common causes that hinders normal operation of air conditioning system on your Chevy TrailBlazer are dirty cabin air filter, refrigerant leak, dirty or clogged condenser, dirty or clogged evaporator, bad blower motor, defective compressor, faulty blend door actuator or any fault in the electrical system. This item: For Chevy Trailblazer EXT & Trailblazer AC Compressor w/A/C Repair Kit - BuyAutoParts 60-81944RK New. The A/C compressor is not engaging. Alvin Premium Member · #3 · Sep 11, 2012. Eroglik Discussion starter · May 18, 2022. I have power to the compressor on the load side of relay but no ground - Answered by a verified Chevy Mechanic Air conditioner will not engage. The compressor clutch won’t engage if pressure is low. When you switch on the AC, the clutch attached to the pulley on the compressor should engage. first there was a delay with the compressor clutch engaging, then it became intermittent, now it does not engage at all when the AC is turned on. I'll take a peek at that here soon, thanks for the info!. That run-down belt can snap anytime with all the forces inside a fired-up engine. Mechanic ran a hot wire to test compressor, it kicked on and the system was blowing cold air. I have also checked the fuses and relays, all of which are working. Regular maintenance and timely repairs can help prevent AC compressor failure. Also tested the compressor clutch relay and it works perfect. If the compressor is not operating as designed, tap on the low pressure cycling switch (2) with a small hand tool. usually works good in the am on the way to work. In turn, the A/C system clutch disengages. In this video, I show you a few simple tests I used to narrow down the problem causing my air conditioning not to work on my 2003 Chevy Trailblazer Extended. If your compressor engages, you found the problem. So I think that there is problem with …. you should make sure the fluid is full first. Once it was hooked up to the low pressure port and the refrigerant can was opened and began to pressurize the ac system I could hear a hissing coming from somewhere down by the compressor. Could be the system is low on freon, low pressure switch is bad, electrical problem, etc. When jumpered it doesn't make compressor turn on so I'm guessing. 2023 Chevrolet Trailblazer AC Compressor Control Relay. No matter is the snowflake light was on or not, the compressor clutch was always engaged. This could be because the AC compressor is not turning on, or it’s not staying on. 2003 suburban 2wheel drive front and rear ac door stickershows its 2002 vin shows its 2003. It is getting power to the relay and the relay is kicking over but i do not have power at the clutch. Find the most common issues based on car owner complaints. The mechanic at the shop was able to connect his scan tool and activate the. The compressor will not engage unless the belt is correctly fitted into the system. Remove the compressor hose assembly block from the compressor. 2004 TrailBlazer LT, 124K miles, 4. You may have a technician replace your compressor, or you may decide to replace the entire air conditioning system altogether. AC compressor clutch not engaging can also be a result of a blown fuse. By Aris Updated on May 26, 2023. 2L, Automatic Dual Zone Climate Control, all stock. With the ambient temperature at 21 C (70 F), the compressor clutch coil is acceptable if the current draw is 2. in the process of verifying the air temp sensor ckt integrity. With key on, disconnect the A/C pressure sensor and check for five volts on the gray wire. If you send a slug of liquid refrigerant into the compressor it will blow up the compressor (I’ve done it). The clutch on an AC compressor not engaging is a common problem. There is also a compressor clutch fuse in the panel under the hood to check. Lots of things can cause this, I will list them, easiest first. Chevy Trailblazer: AC Compressor Not Turning On. I am interested in finding out what the part actually is that helped to make your AC work again. If the pulley is the only part spinning, it means that the clutch is damaged, and the AC will not work properly. My insights A/C compressor isn't engaging and when i checked the low pressure service port into see if it needed more refrigerant, . They replaced it and still not cooling. The most common reasons a Chevrolet Suburban ac isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor. the clutch will engage the compressor at least for a while. Fuses look good along with the relays. If the clutch engages, if not then problem with the clutch. a percent entry of 6 at 160 lbs in the AC table says the clutch relay will be picked 6% of the. The">My A/C is not working on my 02 Chevy Trailblazer. Check Drive Belts - The air conditioner utilizes a drive belt that supplies power to rotate the compressor, which is basically a refrigerant pump. Generally speaking, most clutches call for a 0. turned pump on and then vacuumed for 45 mins to rid the system of any moisture. Subaru Ac Clutch Not Engaging. Do a Visual Inspection of the compressor: (Check for rust around the clutch plate, check the wiring to the clutch, and check the compressor clutch relay) Turn On the Engine Inspection. A good indicator is to turn on the A/C and watch the compressor/clutch assembly. AC compressor clutch not engaging. The clutch field coil ground (the black wire) is not really providing a ground. Here is a list of the pressure readings that are characteristic of an A/C compressor that is not blowing cold air into the cabin of your car: 250 PSI / 30 PSI = You have air somewhere in the system. So far I have tested that the R134 level is ok and that the compressor itself is good because I jumped it directly to the positive and it engaged. With the compressor not engaged, the high side and low side will be equal after the system has a chance to equalize itself. That is the fuse that feeds the leg of the relay that's missing. The AC compressor is getting a command to turn on but is no longer able to, which would indicate that it needs replacing. If I can park in the shade during the day it usually works good in the afternoon. By continuing to use this site you consent to the use of cookies on your device as described …. So 50psi is too low, if the issue is the clutch is not engaging you have one of the following issues. Could easily spin compressor hub by hand. As stated above, your Trailblazer’s AC compressor may be turned by the serpentine beltthat turns all of the engine accessories. The ac may not run the fan on cooler days. Hi!! It sounds like your battery is ether LOW or the wiring is loose. One day it just stopped working completely. There's a low-side minimum pressure switch there to prevent …. With the engine NOT running, pull the connection to the compressor clutch and . Trying to get my wife's AC back running in her 2002 Chevy trailblazer V6 4. A little-known fact about A/C compressors is that the shaft seal is kept lubricated the entire time the compressor is engaged and running. AC Compressor Clutch & Replacement Cost">6 Signs Of A Bad AC Compressor Clutch & Replacement Cost. 035″ Shaft nut torque on GM AC compressors is 12 ft/lbs ©, 2018 Rick Muscoplat. If you have power everywhere and the system is charged properly this will tell you if the switch is bad. 05 kia sorento ac clutch not engaging,is charged switch, pressure switch, compressor has power clutch does not engage with 12 volt direct,is this compressor a one wire or two. I switched the relay, same thing. 2L Air Conditioner Compressor+Clutch (Fits: 2005 Chevrolet Trailblazer EXT) $99. Just documenting how i repaired my friends condensing unit. I have a 05 trailblazer 4x4, v6, with 60,000 miles. I know this can be cause by low refrigerant or a bad clutch relay among other things. 2001 ford taurus TRANSMISSION PROBLEM. Hello, I have a 2005 Trailblazer LS 4WD that is exhibiting the following symptoms: 1. That will solve your problem Aug 07, 2009 • 2003 Chevrolet Silverado 1500. Typical readings should be about 38-45 low side, 175-250 high side. Air Conditioner Problems?. If the clutch engages with the low pressure switch jumped, you likely have a low charge and/or a leak. With the guages the pressure is nearly equal. replaced the a/c tensioner and drive belts, now the compressor no longer engages. Rock hit condenser coil up front. I have a 2006 GMC Envoy XL Denali that the AC compressor clutch will not engage. When you know the clutch work then you can look for the other things not makeing it activated. If there is a leak, you will see a bright. The system is still charged, no leaks. If the clutch engages but the compressor does not turn, it means that you probably need a new one. 2002-2007 Chevrolet Trailblazer Air Conditioning A/c Ac Compressor Oem E7DTL (Fits: 2005 Chevrolet Trailblazer EXT) $66. When I turn the AC on I get cold air but it suddenly becomes hot after a while, the AC light inside shows it’s ON. It is common for car air conditioners to generate cold with low sounds. We have a 2002 Chevy Trailblazer. Most systems have a low-pressure switch to disable the AC compressor if the refrigerant pressure is below ~15 psig. 1998 silverado, ac doesn't work. There are some reasons why the AC compressor pulley and bearing fail prematurely. The schraeder valve on the accumulator is the refill spot. Can easily check if there is power to compressor coil/clutch by unplugging at bottom of compressor and checking middle wire for 12 volts while running with AC on. The clutch is not getting a signal to turn on. Inspect the belt to see if it is cracked or shiny. Remove the cover to panel and look inside the panel for the correct location to fuse and relay. with the car running and warm. If the compressor clutch doesn't engage; that usually means, there's an electrical or mechanical problem with the compressor. If the compressor runs, replace your pressure switch ($25 bucks at Auto Zone). I'm pretty certain getting into the clutch windings made a direct short which caused some electrical issues with the AC clutch wiring. • AC system pressure is too high and above the high-pressure switch’s …. How many of you members have had issues with there A/C not blowing any cold air what so ever (A/C compressor clutch not engaging)? And if its been taken to the dealership, what was their resolution?. 2002-2007 CHEVROLET TRAILBLAZER AC AIR COMPRESSOR 25825339 (Fits: Chevrolet Trailblazer) $74. The Blower motor is working but the mechanic said the AC clutch wouldn't kick on. I checked an electrician and he advised the thermostat and pressure switches were operational. Reasons a GMC Yukon XL 1500 AC Isn't Working. 8V when AC is activated and 0V when AC button is not activated. The most common reasons a Chevrolet Trailblazer ac isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor. Check for ground on the black wire. to/34vFNsrAmazon Link AC Relays (Toyota) - https://amzn. Place the transaxle/transmission in PARK. EASY FIX Car Truck No AC - Not Working - Intermittent - Hot On - Off - Chevy Blazer + Chevy S10 TrucksCompatible Year: 1994-2005 Chevrolet Jimmy Sonoma Blaze. A couple of years ago the relay for the compressor went bad and replacing that got it back working. The compressor wouldn't turn on. I'm assuming you know how to charge an AC system, have the necessary guages, etc. Once truck gets over 180 degrees, turn the ac on and it is fine. Air conditioning or heating systems on the Dodge Ram truck stop functioning from time to time. Alright guys, I have a 2010 Chevy Traverse AWD 3. SOLVED: I have an overcharging ac compressor it wont come. Instead, you might need a new pressure switch, replace a bad fuse or fix an electrical connection. Relay is good, refrigerant was empty but is filled to proper psi now, compressor isn't making … read more. 2003 Chevy Trailblazer: AC blows cool for about 10 minutes and then blows warm. '08 RWD 3SS, TR6060 6 Speed Manual Trans Swap, TR6060 Extension Housing Mainshaft Support Bearing Upgrade, Level 2 Monster Clutch. Between the grill and the bumper cover. I do not want to put a "Good Condition Used" compressor on the truck but the price of a new compressor hurts the pockets at the moment. The fan belt makes whirring noises. AC Compressor bypass | Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum. If you overcharge the system, you'll pop the relief valve and possibly harm the …. 5 Reasons Why Your AC Clutch is Not Engaging. If there are two belts, they’ll both be attached at the crank pulley. I have a 07 3ss just replaced the ac compressor because it was locked up. comCashapp: $AutoPurlieuVenmo: @Legend_garyThank youJoin this chan. I tried switching the relay, same thing. Comments: Faulty FCM was probably the root issue. $11-13 depending where you go and which one you need (the …. SOLVED: I can't get the clutch to engage on the ac. SOURCE: A/C compressor/pulley clutch does not disengage. 2006 Chevrolet Trailblazer A/C compressor won't engage. Already jumped the low side switch. The compressor also requires oil. When this switch fails, your air conditioning will only blow warm air. AC Compressor not engaging on 2000 Chevy Impala. Model: 10PA20, 10P15 is adjusted with shims to. How to Add Freon to A/C system and manually Engage your AC Compressor Clutch. AC Compressor Running But Won’t Take Freon?. When I turn on the air conditioning, it runs cold for about 20-30 minutes then starts blowing hot air. This is more a sign of a bad ac compressor clutch rather than a bad ac compressor, though. 5 turbo diesel I am replacing the a/c compressor. 2005 Chevy Trailblazer Ac Compressor: Troubleshooting And …. When they both went out the AC no longer would work. New A/C Compressor Not Engaging GM Truck Club Forum Gm Ac Compressor Wiring Diagram Wiring Diagram and Schematics A/C Compressor Won't …. I have since replaced the ignition switch and (knock on wood) have not had any a/c issues since. By Aris Updated on February 8, 2023. Hi I'm looking for some help to fix the AC on my wife's 2008 1. However, it normally makes more sense to put in a new AC compressor. I think the pressures should be around 30-50 and ~250 high. It should click on and off as the belt goes around the compressor every 15-30 seconds, or sometimes shorter or longer. all fuses involved in a/c are ok, …. I was wondering if someone could help me with my AC unit. REMAN COMPLETE A/C COMPRESSOR KIT 2002 CHEVY TRAILBLAZER/GMC ENVOY BRAVADA GG561 (Fits: Chevrolet Trailblazer) ORINGS are for Compressor ONLY/Oil is inside compressor. The refrigerant was not the issue as it was topped up. JonLock88 Discussion Starter · May 12, 2018. 95 W124 AC Compressor Not Engaging. You need to check the wiring to the outside temp. The most likely culprit is a low refrigerant level, which can be caused by …. Mechanic's Assistant: What is the model/year of your Buick? 2013 buick verano. Yes, you can technically replace the clutch without removing the compressor. If you don't get power from section B-12 to the clutch coil, the compressor coil will not pull in to activate the 12 volt power. The 2008 Chevrolet Trailblazer has been known to have issues with the air conditioner. Checking high and low pressures switches (if equipped), just disconnect the plugs one at a time and make a wire jumper between terminals. My AC Blower Always Blows at the Same Speed. AC clutch engages for around 2 seconds and then disengages 3. If your air conditioning is not working, or working but not up to par, there can be a few different things that can cause this. In summary: Problem: AC Stopped working. A/C compressor clutch not engaging?. A bad thermal protection switch or a bad coil in the compressor clutch assembly will both result in clutch not engaging. I checked the single wire to the the AC compressor, and it gets the 14v signal when the AC is switched on. Labor costs are estimated between $158 and $200 while parts are priced between $698 and $879. Rotating all the time when the engine is turned on, this item can wear over time and make squealing noises. Replacement of the clutch and/or compressor may be necessary. Often, this screaming sound occurs when a unit is first turned on. BlueGra SS KENTUCKY 9 5 BBB 11,264 of 18,365 96 DGGM PARTS CAR 80K 94 BBB PARTING OUT NOW 183K 95 BBB PARTS-USED FOR 231K STILL RUNNING STRONG!!!!!!!!. It’s right near one of the mounting brackets, see if you see any trace of oil. A bad fan clutch will cause the AC to cut off when it's idling or moving slow less than 30 mph or so, from not enough air moving through the condenser coil. If there is enough pressure then check to see if the clutch is receiving voltage. When it doesn’t engage, you won’t be able to get any cold air from the system. If the compressor does not engage when you turn on the A/C, see if it will run by jumping the compressor clutch wire directly to the battery (use a fused jumper wire). Defective relays may test OK electrically but fail when in operation under load. An AC compressor is part of an air conditioner which may be used in a car's AC system. Our list of 14 known complaints reported by owners can help you fix your 2004 Chevrolet Trailblazer. If so, try the troubleshooting techniques described here. If signal is present, check wiring from engine computer to AC relay in fuse box. If there is power to the clutch it will engage. With a compressor clutch not engaging all of the time, you may get cold air occasionally, and it could fail at other times. Compressor clutch will not engage. Troubleshooting: Visually check clutch. Proper diagnosis is essential for maintaining the performance and functionality of the Chevrolet Trailblazer EXT's air conditioning system. Solution: An inoperative compressor is normally due to low refrigerant or loss of power to the compressor. The AC compressor clutch constantly engages for less than 5 seconds then disengages at rate of about 10-20 times per minute. 2003 chevy trailblazer, ac doesn't worked. Chevy Spark – (Jonathan Weiss / Shutterstock) The most common causes for AC blowing hot air in Chevy Spark are low or overcharged refrigerant, compressor malfunction, dirty condenser or evaporator coils, faulty blend door actuator, defective evaporator temperature sensor, bad AC pressure sensor, and bad fuse or relay. it is a new compressor that i installed. AC compressor clutch not engaging (causes and how to fix it). The most common causes that hinders normal operation of air conditioning system on your Kia Soul are dirty cabin air filter, refrigerant leak, dirty or clogged condenser, dirty or clogged evaporator, bad blower motor, defective compressor, faulty blend door actuator or any fault in the electrical system. Refer to the appropriate diagnostic information. It didn't seem to be coming from the hoses or where they connect to the compressor but I couldn't see/feel/hear where exactly the leak was coming from. Parts might be $225 to $350, while the labor would add another $75 to $175, depending on how simple it is to install. Two things are very likely to be your problem. Assemble the dispenser and check if the compressor is running. The switch is labeled "A/C Compressor Pressure cycling switch. I had to stop the car for gas though, and when restarted, the AC worked again. The process is a bit different for older cars that are not compatible with the R134a type. You should be able to verify if your compressor is engaging by watching the AC compressor. Drain coolant below the level of the engine coolant temperature (ECT) sensor. The ignition switch has been replaced. Compressor turns off after about 15 seconds. You do not pay anything extra and your purchase helps support our work. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. SOURCE: AC compressor won't engage clutch. Air Condition Clutch not engaging. a/c not working trailblazer 07 4. Examine the compressor for damage. Put an ac gauge on the low pressure side. "Jumping" will not result in a working HVAC system. I don't see why it would not work on the Trailblazer the same way. Tech Tip: Volkswagen Has No Power to the A/C Compressor Clutch. I was quoted anywhere between $1500 and $2500 to have the system replaced. Add the proper amount of oil to the replacement compressor. It is better for the fuse to blow than for the system to receive too much voltage. By Micheal Shawn Updated on September 30, 2023. Low pressure is related to ambient temperature the system is running at. The A/C clutch would not engage. I have done a lot of research and checked the following: Fuses both front and back; Have 4. The AC worked one day, blowing 44 degree air, didn't work the next, blowing 90 degree air! Here's the troubleshooting I've done (sorry for the long post). if no leaks then check A/C compressor. I tested the power at the AC compressor and got nothing. AC Compressor not engaging. It is located on the front grill area. Okay, I'm on a college studen budget, so any helpful information will be greatly appreciated. The best way to manually engage an AC compressor clutch is by connecting a jumper wire directly to the wire on the compressor. AC Cools Air Only When Depressing the Accelerator. I put a new a/c compressor on my 06 chevy trailblazer ext…. 2003 lincoln tc ac problem AC compressor does not engage for 10 to 15 minutes or not at all - Lincoln 2003 Town Car question. seems to happen on real hot days, high 90s. The switch is along the low pressure line or on the A/C Accumulator ( looks like a silver canister) , Unplug the wire and you can jump it there and see if the clutch comes on, if it does try spreading the two …. If not, then pull the radio out and check the speaker wires at the back of the radio for connectivity, if ok, then do the same for the speakers, remove them and check the wires. The compressor is used to change the pressure between the AC's compartments in order to help condense the. BUT may take over a decade or more to have enough leakage for a noticeable drop in AC performance. engage customers: 6pm Score deals on fashion brands: AbeBooks Books, art & collectibles: ACX Audiobook Publishing Made Easy: Sell on Amazon. Chevrolet traverse ac not cooling ac not cooling. The compressor is not engaging. We need to see what the ECM is seeing. If we're ruling out the possibility of a leak in the system and you're still not getting cold air then it's probably due to normal wear/age. 3- If it works then check the Low and high pressure according to compressor spec. Trailblazer Ac Compressor Not Engaging. air conditioning compressor on my 2008. 2008 Chevrolet Trailblazer A/C Pressure Cutoff Switch Connector. These noises are AC compressor clutch activation, mixed airflow, and switch doors. If the system is low on Freon, then the safety switch will kill power to the clutch so the compressor can engage. 2008 Chevrolet Trailblazer A/C System O-Ring / Gasket Kit. When the relay is removed the compressor starts and runs putting out 39° Air. 2006 trailblazer ac not working low side 33 high side 180 sucked out recharged still same the lines are warn not getting cold 2006 TrailBlazer LT wAuto AC, compressor not engaging. Mechanic checked all fuses and relays, stated they were fine. 36989 Views 14 Replies 3 Participants Last post by EvlGoat, May 21, 2011. Second opinion] I put a new air conditioning compressor on my 2008 Trailblazer. gibran Discussion starter · #9 · Dec 31, 2018 (Edited) Just to follow-up, Replacing the AC clutch bolt solved the problem. When I turn the AC on I don't hear the compressor clutch engage and of course nothing but hot air and no change in idle. AC clutch/compressor not working. SOLVED: Trail Blazer 2008 Ls AC Compressor and Engine. Either the high side pop-off valve on the compressor pops off with a "bang", the compressor gets too hard to turn and the belt starts slipping, or the coil in the firewall (evaporator) turns into a block of ice. After a few mins, feel the A/C lines by the accumulator, if they are cold then you have actuator / control head issues. Posted on June 21, 2018 by Rick Muscoplat. Add 1 can of R134a to raise this pressure if goes lower than 25 psi. When I would up the engine speed to above 1200 RPM, the 13 second cycling would stop, but the compressor would short cycle instead-4 seconds on, 10 seconds off. It quit at the beginning of a 4 hour drive last Monday. Really, your guess is as good as ours without doing more troubleshooting. 02 Trailblazer new fan clutch not engaging. have an accredited ac specialist check it out. Let us now learn how to manually engage the AC compressor clutch. If this doesn’t start the clutch, the clutch needs to be replaced. Low Refrigerant in the AC System. Air conditioning compressor not working C30 / S40 & V50 '04-'12 / C70 '06-'13 General. After opening/removing the lid, and while standing in front of the car facing the rear, the A/C compressor clutch relay will be seen at the left rear corner of the IPM, second relay to the right from the corner. Back in May we found that the ac was not pumping cold. it also engages when I manually trigger the relay contacts. You would need to check the blower motor for power and ground, if it is running a door may be stuck closed. AC Compressor Clutch Stays Engaged: 4 Causes + Easy Fix. The average cost for a Chevrolet Trailblazer AC Compressor Replacement is between $857 and $1,079. AC Compressor on always/ not cycling. Ok,so the PCM control of it is the issue. What are you working on today? Get an exact fit for your 2023 Chevrolet Trailblazer. However if it is low on freon then it probably has a leak and recharging will not fix the problem. If the climate control system in your Chevy Trailblazer is broken, it could be the result of potential problems like electrical malfunctions, refrigerant leaks, or even a faulty air compressor. In this video, I show you how to tell if a car's AC compressor clutch is engaging. Welcome to the forum by the way. Fuses are good, swapped the relay with no change, jump the pins at the relay and clutch kicks in and AC blows cold. 5: Start the engine (do not press the gas) and let it idle for five minutes, then shut it off for thirty seconds. switch jumped out, manually…. If the cost of a replacement is less than half of the cost of a new unit, this is most likely …. When the car AC clutch won't engage you turn on the air conditioning and patiently wait for cool air that never comes. But the ckutch is not engaging, nor is the compressor turning. AC Compressor Clutch Noise – Common Problems. Note the AC only starts fan at 160 psi , that usually means it's above 75* F outside temp for the AC to hit that pressure. Check the terminals and apply 12V; directly to the clutch if it engages, you don't have any problems with the clutch. ran into the same problem with my 97 blazer definetly a. The solution might be as simple and cheap as a low-pressure cutoff switch that's like $20 and you could change in your driveway. Disconnected the TIPM and everything looks normal under there. SOLVED: 2005 chevy trailblazer ac won't work but. If the power is on, check for a loose wire connection at the contactor. AC A/C Compressor Fits 2002-2009 Chevrolet Trailblazer & GMC Envoy 6 CYL TRSA12 (Fits: 2008 Chevrolet Trailblazer) $105. This range does not include taxes and fees, and does not factor in your specific model year or unique location. The AC system stopped blowing cold air. jdross440 Discussion starter · Jul 24, 2020. Reasons a Chevrolet Trailblazer AC Isn't Working. Air conditioner will not engage. AC Clutch not engaging in my XF 2011 3. Be sure to fill the compressor with oil before doing this and check if you have enough refrigerant. Use a wrench to loosen the center nut on the compressor clutch. The pressure (low side) of the system looked fine whether or not the compressor kicked on. When compressor fails to engage, check pressure switch and AC relay and AC fan relay. If the pressure switch isn’t working correctly, the clutch might not engage or disengage at the. If you’ve discovered a need for more refrigerant in your vehicle, add BlueDevil Red Angel One Shot. If not what should voltage When your R-134a runs too low it will NOT engage the compressor. rachyLTZ Discussion starter · Jun 27, 2012. Rev the engine to around 1500 before you take ht pressure readings. Note: the system HAS refrigerant and acceptable pressure to start the compressor. Being that it is intermittent, I would suspect the HVAC control module not supplying power to the clutch coil of the compressor while the relay is activated. I took it to the next step by replacing the aux fan module, located under the battery. check the voltage going to the …. RPM changing at idle, and/or just annoying, here's how you get it to. First, you need to eliminate the clutch in your A/C compressor as the culprit. Holding the compressor at a higher speed while checking got my a/c working much better. Re: AC Compressor won't stay engaged [video] Look for dirt accumulations on any connections, the front of the compressor, or along the refrigerant lines. Most likely, another consequence would be that your vehicle will overheat. There appears to be some issues with the A/C Cycling Switch. Or fastest delivery Jun 28 - Jul 3. Chevy Blazer air conditioning compressor fixed. About the only choice is finding a rebuilt one on eBay or the Cadillac King in California probably has one and will possibly ship outside the USA. I need to remove the old AC compressor from my 2004 Trailblazer EXT. I tried to recharge with r134 but there was no pressure at the in this thread in this sub-forum AC not working, compressor not engaging. Drain and measure the compressor oil. A new clutch for an air conditioner compressor typically costs between $589 and $640. Prices of condensers typically range from $500 at their smallest to $2000. If I provide 12 volts to the compressor the clutch will engage. When the AC is turned off, the clutch freewheels around the shaft of the compressor on a bearingWhen the AC is turned on, 12V is sent to the clutch causing it to engage It then begins turning the compressor If you only have noise from compressor when AC is off, then the clutch bearing is bad. Car AC Compressor Engages and Disengages: A Detailed Guide. AC compressor wouldn't run for more than 10 minutes before turning off completely until the engine cools and the 10 minute cycle would reset. ac compresseor will not engage. '08 RWD 3SS, TR6060 6 Speed Manual Trans Swap, TR6060 Extension Housing Mainshaft Support Bearing …. If the gap is to large the electromagnet in the clutch can't do its thing. The air conditioner in the 2004 Trailblazer can have several different problems. Freon contains some oil that allows it to lubricate the compressor, so in its liquid state, it usually looks a bit like grease, only …. 2005 300C BRILLIANT BLACK, DRL, Mesh Grill/Vents, Chrome Pillars & Fender Trim, MDS Indicator, Quad Brake Lights, Tinted Windows, De. Power Probe used in video → https://amzn. 3 Ways to Check an AC Compressor. The shims may compress after tightening the shaft bolt. check your ac compressor magnetic clutch attached in front of ur compressor if its working/ ac clutch engage when u turn the ac switch on and disengage when u turn the ac switch off/ it normally makes a clacking sound when it engage with the rotation of ur compressor/ if its not. 16BoostedCanyon · #6 · May 25, 2022. When there’s no air flowing through the vehicle’s cabin, a bad blower motor usually causes this scenario. The following conditions must be met in order for the A/C compressor clutch to turn ON: The ambient air temperature is above 1°C (35°F). The A/C components are original. It would be lucky if the AC could blow cool air and the compressor could engage. 2023 Chevrolet Trailblazer AC Compressor Control Relay. Electrical problems, dirty filters or a broken thermostat can also prevent an AC compressor from functioning. I now am suspect that the heater/ac control assy. Trailblazer Ac Compressor Not Engaging. Then again, most I have seen with compressors below everything else, I have seen tensioners, compressor, and belt issues. Problems / Chevrolet / Trailblazer / 2004; 2004 Chevrolet Trailblazer Problems. First, you must consider the make and model of your vehicle, as some luxury cars have much higher-priced parts. Google or Yahoo and you will find many posts about this problem. Hello All, I have a 2010 CTS Sportwagon and my air conditioner clutch is not engaging when I turn on the air '16 ATS-V Sedan, 8A; '04 Chevy Trailblazer 4x4; '10 CTS Long Roof gone but not forgotten Ah, I think the answer is maybe. The A/C refrigerant pressure sensor parameter is less than 2 413 kPa (350 psi). What if My Silverado Compressor Will Not Engage?. 2004 trailblazer AC compressor keeps clicking on and off when I turn - Cars & Trucks question. If red to red open circuit, you have a bad switch on the compressor body--- . Using a wrench or socket, unscrew the switch from the A/C line, finishing with your fingers. If missing either circuit, check a few inches back from the connector and see if voltage or ground is present there. If I jump the low pressure switch, the clutch remains engaged This sounds like a classic low pressure situation but …. Jump to Latest Follow 7K views 51 replies 7 participants last post by jejones Aug 21, 2020. If the compressor clutch does not engage, the AC compressor clutch coil has a open and has to be replaced with the "PROPER TOOLS". It was not warm enough to leave it on so I turned it off. AC Compressor Clutch no engaging. The compressor is what pumps refrigerant through the entire system. Hi, sorry it’s my second question for today but I’m trying to keep up with trailblazer I have a 2007 4. There is a pressure switch in the accumulator, (large aluminum can) . Over 84 degrees, it would stop working. Chevy Tahoe: AC Compressor Not Turning On – Diagnosis. koivula Discussion starter · Jul 27, 2009.