Why does my car vibrate so much when I turn on the aircon?

Question:
I have a 96 accord model. I just had the shop put freon and now everytime the fan of the aircon turns on, the car starts to vibrate so much. The RPM drops below 700 and sometimes reaches zero . . . help please !

Answers:

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This could be a sign of another problem. You may have an AC compressor on it's way out, you may also (Depending on the mileage) Weak compression with the motor. you should also have some rubber bushings on that AC unit to help absorbe some of the vibration of the compressor. If these are bad you would feel the car virbrate a lot. But the others have really good points as well. It could be that your step idle is set too low or that the computer of the car is not detecting the extra load on the motor. have a complete check done on the AC system and see if it is over charged or if the compressor is on its way out.

95 4RunnerV6 Battery dies?

the system is over charged

Water in Gas Tank?

Sounds like the idle control motor is not compesating for the extra load the ac compressor is putting on the engine. When the ac kicks on the idle should be automatically incresed. Take it to a good mechanic either a import shop or even the honda dealer. even thought dealerships charge more the techs there work on hodas every day so the probebly fix it right the first time.

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the air-cond idle screw need to be set.. just take it to the mechanic and have it tuned.. its a minor thing only

Why doesnt the air conditioning or heating work in my '92 Buick Lesabre?

Try to have upward adjustment of the idling of the engine first something around 850 rpm. If the problem persists, may be it's the problem of the automatic switch of engine idling. Have it check up first before you go to the conclusion of engine problem.
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