93 Civic - Car Shakes while A/C is on, and car is idling

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mopa - 01 Jul 2005 16:39 GMT

I just installed the A/C compressor, and took my car to the shop today
to have the guy install my belt for the compressor, well it cost me
$119.00 just to have the belt installed, and I am piss broke.

Well now I am happy that I finally have AC in the car, because I had it
for 1 year and the AC never worked. It's 95 degrees outside, hot and
humit and now the car shakes while the car is in park, and running with
the AC on. If the AC is off, the car doesn't shake.

It's a 93 Honda Civic LX Manual.

Is it normal for the car to shake while in park with the AC on? when
the car is moving it doesn't shake. I assume the AC compressor is 50HP
and likes to go for a jog or something... lol

Thanks for your help.
Janos

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TeGGeR® - 01 Jul 2005 19:02 GMT

> Is it normal for the car to shake while in park with the AC on?

No. However, as the engine mounts age, more vibration will be transmitted
to the body, so you'll feel a bit more vibration than when the car was new.

> when
> the car is moving it doesn't shake. I assume the AC compressor is 50HP
> and likes to go for a jog or something... lol

Make sure the EACV and the throttle body are clean. Then make sure the base
idle is correctly set. When a load is applied, the idle should dip
slightly, then rise back up to its correct speed.

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TeGGeR®

The Unofficial Honda/Acura FAQ
www.tegger.com/hondafaq/

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Michael Pardee - 02 Jul 2005 00:12 GMT

>> Is it normal for the car to shake while in park with the AC on?
>
[quoted text clipped - 10 lines]
> idle is correctly set. When a load is applied, the idle should dip
> slightly, then rise back up to its correct speed.

On a related issue, my daughter has a '93 Accord LX auto, and it shakes at
idle, especially with the A/C on. Haynes isn't helpful - it says the rear
mounts in the auto models are electronically controlled, and then says any
problem has to be taken to the dealer. Any tips on that?

Mike

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