My A/C is just plain lame. It checks out OK on the guages but doesn't move enough air over the condensor. It doesn't really start to cool until after you are at speed for a while. In the shop you can put a big fan in front of the car and the temp drops. I have replaced the little electrical thingy on the fan mounting bracket. Most of the A/C's in E30's I have ridden in leave a bit to be desired. Mine is diamonschwarz w/black interior in Texas. Am I doomed to envying the Toyoto Camry's of the A/C world?
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I would like to know the answer to this question also.Renting my rear wheel bearing tool kit. SIR
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Does your auxilliary cooling fan run when you have your A/C on? Does it kick up to fast after a while? Sounds to me like your switch is defective............
Sarcasm is a body's natural defense against stupid.
When a man talks dirty to a woman, it's sexual harassment. When a woman talks dirty to a man, it's £3.95 per minute.
"My mother never saw the irony in calling me a son-of-a-bitch." Jack Nicholson"
Old age and treachery will always overcome youth and skill.
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Keep in mind that the Germans were NOT very good at automotive A/C systems in the 80's. My folks had a 1985 320i in Saudi Arabia. My dad changed A/C compressors 3 times in 8 years. And even when the A/C was working, it sucked.This is your M20 on steroids:
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Does the high side increase then decrease as the fan turns on? Is the fan even turning on? Low side should be around 28-35 lbs. to get the lowest temps. Even though the car isnt moving, you should have cold air blowing out of the vents, just not quite as cold. If you have a pyrometer temp gauge, probe the condensor at the inlet and look for a temp drop at the outlet. If there is little or no drop, then I would try cleaning the condensor, maybe removing it and flushing it out.
You might as well convert to r134a if you have to open the system. Replace the reciever dryer as well.Old and improved:
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The AUX fan only goes up in speed when the coolant temp reaches a certain level this has nothing to do with the AC system. The temp switch in the side of the rad has no bearing on the AC system.Originally posted by lordofthewaters
When you turn on the AC, the AUX fan will come on but not at high speed. If your fan is kicking into high speed then you have bigger fish to fry (and you probably could on your overheating engine) ;)
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I meant is the fan running at all. Maybe the car's running hot as well.
Sarcasm is a body's natural defense against stupid.
When a man talks dirty to a woman, it's sexual harassment. When a woman talks dirty to a man, it's £3.95 per minute.
"My mother never saw the irony in calling me a son-of-a-bitch." Jack Nicholson"
Old age and treachery will always overcome youth and skill.
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