air conditioner

[John B Kobberstad]

[quote]Quoted From dantheman: _x000D_
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On 1984 Toyota corolla, when the car is running and I turn on the air conditioner the fans don’t work, I have fixed the fan problem and they work. When the air conditioner is on the engine sound does not change. I

Topic

[moparfan]

first you could check to see if you have power and ground to the AC clutch coil. if so then you have a coil problem if not you may not have enough pressure in the system to turn on the AC clutch and would need a set of gauge to verify. there is not much i

[davispb]

To reiterate what mopar said, if there is not enough pressure in the system, the compressor clutch will not engage in order that the compressor doesn’t burn up. At least, that’s how it works on a Lexus and, by extension, I would imagine that’s how it work

[moparfan]

[quote]Quoted From davispb:_x000D_
_x000D_
To reiterate what mopar said, if there is not enough pressure in the system, the compressor clutch will not engage in order that the compressor doesn’t burn up. At least, that’s how it works on a Lexus and, by extensi

[Marc Robertson]

This post assumes basic understanding of A/C is already understood. http://www.youtube.com/watch?v=w17DpGCcRj8_x000D_
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What others in this thread are alluding to is the clutch cycling operation. The low pressure switch is sometimes called a “clutch cyclin

[college man]

you will need to check the system pressures with a gauge manifold set.

[Marc Robertson]

I always seem to forget to mention the manifold gage set… Better luck next time.

[EricTheCarGuy]

The forum has pretty much covered it.

[Author]

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