So clutch doesn't engage and compressor is not running. I have 12-13v at the low pressure switch and the same at the high. When I jump the low pressure I don't get any voltage at all at the plug that controls the relay for the clutch.
Where I'm confused is:
Is this a low pressure problem - gauge is reading 60psi on the accumulator
Or
Is this electrical somewhere?
I just picked up a '94 7.3 IDI Turbo, and I can't figure out what ails the AC. It appears that there should be enough refrigerant (according to my recharge kit), but the compressor clutch will not engage. I have checked the fuses, and all are fine. All other HVAC functions are normal. Is there a way to test the compressor?
View 5 RepliesSays A/C Compressor Clutch Circuit open. A/C blows hot air....go to VENT and the EATC controls the temp fine (ambient air only). It's on a '97 Lincoln Mark VIII if it makes any difference. Pulled code # 1530 ...
Clutch does not engage but the compressor does turn. Also the EATC will NOT go into the test mode. Push OFF and Floor at same time, then AUTO within two seconds. Nothing. Is this a clutch gap problem? New clutch was installed about a year ago.
I have a 94 Ranger with 2.3L motor. Last week my ac quit working. I push the in and the ac light goes on, but the compressor clutch won't engage. I changed the relay, but that didn't work. The fan still works, but the ac does not come on. I tried banging on the compressor pulley, but that didn't do anything. The clutch is not frozen -- it spins freely. The connector looks good and I haven't done any work in the engine compartment so I couldn't have accidentally moved any wiring. What I might try or is my compressor simply dead?
View 2 RepliesThe A/C in my truck stopped working last year, and this year I intend to fix it. I believe the problem is with the compressor clutch because it was making noise as it would engage or disengage. It was making this noise for a good year or so, and then one day the noise stopped and I have no A/C. So I am only assuming its the clutch.
View 4 RepliesI have a 1995 Ford Windstar. When I turn on the air conditioning, the compressor clutch does not engage despite having sufficient refrigerant in the system. Jumping current directly to the compressor clutch will engage the clutch, so it's not the clutch. I suspect the relay for the compressor clutch inside the CCRM may be bad, but am not sure how to test it. I have a Haynes repair manual, but how to test this device?
View 12 RepliesMy daughter has a 2003 Saturn Vue 2.2 and it seems that the clutch if froze up... I have checked Freon level with a gauge that I use to top of Freon and seems ok... the vehicle has 170,000 thousand miles... are these compressors prone to failure and is there a "Quick Fix" without replacing compressor, orphis tube and dryer?
View 3 Repliesif the fan doesn't work, could this make the AC compressor clutch not engage? I think the fan is burned out because it doesn't spin at all, and only moves with a lot of effort. If the fan circuit is open, will this cause the Compressor to not work as well? the car is a 1991 740 GL. 2.3L engine, non turbo.
View 3 RepliesI got a 2003 GTI 1.8t and the AC air is blowing warm. With the car on, AC on and fans full blast both rad fans turn on but compressor clutch does not engage. Took it to a shop and the mechanic said the system was full of refrigerant but that the compressor was not getting the proper signal and there was an electrical problem.
I check the power at the compressor and it is reading about 7 volts, which is low correct? That should be getting 12-13 volts correct? I also check the pressure switch over by the passenger side and it was getting 13v. What to check next to start ruling out causes? Any quick way to determine whether this is electrical or a compressor issue? I am limited in my abilities as far as electrical work goes.
I have a 2001 m5r2 ford f-150 standard transmission. i have replaced the slave cyl., the entire clutch assy., the master cyl. pilot bearing. the trans. will engage all five gears plus reverse while truck is off but will not engage a gear while running. i have bled and bled and bled and still will not engage.
View 1 RepliesI am having trouble with my air conditioning system in my 1996 Chevy Lumina. When I turn on the AC, the compressor clutch does not engage and the fans do not spin. I was able to jump the compressor so the clutch engaged, however, the fans still did not spin and the AC was not cold. I then jumped the low pressure cycling switch (near the accumulator), which caused the fans to spin while the compressor was running. However, this still did not produce cold air from the AC and none of the AC lines were cold to the touch. I am starting to think the system is low on Freon, but I do not have gauges to test the pressure.
View 2 RepliesI have a problem with my AC that is driving me mad. The compressor won't always engage, especially when accelerating. I browsed the forums and came upon this link; SpringerPop's Compressor Clutch Air Gap , very useful. With the AC on, when the compressor didn't engage, I just hit the clutch plate with a wood pole and the compressor immediately turned on.
So its definitely not pressure related and as far as I know, the relay and wiring are working or else it wouldn't even turn on. It works well for a few minutes (very well) and then it just stops working. Anyway, I read the instructions on that page. The thing is... when I put the keys in ON and turn the AC on... the clutch still doesn't engage, making it impossible for me to get the plate out to get the shim out.
Model: Ford Explorer 2000 SOHC....
2006 Mustang GT Convertible; air conditioner doesn't always work. When I press the button to turn on the air conditioner, the panel light illuminates but the a/c compressor does not engage. After driving the car for anywhere between 10 and 45 minutes, the compressor clutch will engage and the air conditioner cools normally. When I first noticed this problem over a year ago, I discovered that if I left the air conditioner in the "on" position when I turned off the car, the air conditioner would work the next time I started the car. This hasn't happened lately (so much for that "solution"). The car has been at the local Ford dealer multiple times for this problem and although they have been able to duplicate the problem, they have no solution. The dealer checked the electronics, recharged the system and tested the computer and told me that these were all fine.
View 1 RepliesI have a 1999 Winnebago Motorhome on a F53 Ford V10 Chassis and the A/C clutch will not engage when turning on the A/C. I have check the Freon 134A and it appears to be fine (in the red zone) and actually put a jumper across the pressure switch connector (harness side) and it still will not engage. Is there a fuse within the circuit if so, where it may be located?
View 1 RepliesWhen I turn on my air conditioner it just blows air, not cold air just air. If I turn it to heat it also just blows air, not warm air, just air. The fan settings all work fine but the air coming out never changes temperature. By the way, If I bypass the compressor clutch relay with a paper clip, the AC will kick in. I refilled the coolant in the AC system too but it won't engage without bypassing the relay. Plus, the heater is not "kicking in" either. I did recently install a new wiper motor but I am not sure if that may have contributed to the air issue that is happening now.
View 7 RepliesHere is the issue i am having. 2011 F-350 King ranch with all bells and whistles. In Arizona now we are in the season that the weather is cold in the AM and sometimes hot enough in the late afternoon to need the A/C in the truck. with the settings on Auto which i normally do, and the external temp reading in the 80s, and the internal thermostat set at 70 or lower, the A/C compressor will not engage and allow for cooling the cab of the truck. But sometimes it will work just fine. I am assuming there is a temp sensor for cabin temperature. Where that is located. or will i have to change out the entire Climate Control Module. I would take it in to have it checked out but it is an intermittent problem, and i cant not have my truck for a couple of days while they try and figure it out.
View 13 RepliesThe AC in my 2004 V6 4-matic wagon has not worked since the dealer had it in their shop last. Coincidentally, neither does the outside temp display on the dash. I tried one of those recharge kits with the cans but the pressure guage registers 90 PSI when I hook it up, more than enough according to the instructions. So it seems the system is charged and it looks like the compressor will not engage. Could the temperature problem and the AC be related? Manual says it only kicks in when the outside temp is hot enough so I figure how will it know if its hot enough if the temp probe is not working? (unless there is another probe somewhere) ...
View 7 RepliesOn my 2001 Excursion the ac clutch went south over the weekend. I replaced the clutch with a factory clutch kit. Now the problems are baffling me.
I set the air gap at .020. The problem being when I turn the ignition switch on and turn on the ac switch the clutch does not engage. I still get cold air. When I start the truck and it runs the clutch is engaged without any problems, I turn it off and the clutch disengages.
I recently purchased a 2003 Grnd Marquis that has EATC climate control. It was a cold day, snowing some and the heater was set to 72 degrees on floor/defrost mix. Several days later it warmed up to over 40 degrees so I decided to try the AC. When I switched over to Max AC, I still only got airflow through the defrost. Any airflow setting (floor, vent, AC, Max AC) only gets airflow through the defrost. Also, the AC clutch did not engage when I set it on Max AC or it is not engaged when set on defrost. Will replacing the EATC head unit fix it? Is this also why the AC compressor clutch does not engage?
View 2 RepliesThe patient: e99 F250 Super Duty with 7.3 "Million Mile" motor, 350k miles.
Symptoms: AC won't engage, low pressure PSI reading is over 85, past my needle's capability.
Story: Bought the truck and found a big fat rock hole in the condenser. Swapped condenser and dryer, vacuumed, oiled, and recharged the system. Worked great for 1 month. Now seems any time I turn the truck off or turn off the AC it sends the low pressure soaring above 85 PSI. If I "De pressurize" the system to normal, Turn the truck on, then the clutch engages, and things go back to normal, then below normal because I just depressurized 2 cans worth of the system. Add two cans and it's good to go.
Sometimes in the morning the AC will work just fine, but after a while it stops working. It looks like the clutch will not engage and I don't know how to troubleshoot it. I'll take a picture later on today. I'm wondering which part is what, and what might be causing the problem.
View 9 Replies