Cavalier Auto - Vibration

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Tue 25 Jun 2002 11:20
Cavalier Auto - Vibration - selfy
I have a 1994 Cavalier 2.0 Auto. There is a noticeable amount of vibration when the car is idling - the effect is more obvious when the autobox is in drive. It has over 100k on the clock. When the RPM is above 1000 the car is extremely smooth and there are no other problems. Is this normal for an older auto, or if not, any ideas what could dampen it down a bit?
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Tue 25 Jun 2002 13:15
Cavalier Auto - Vibration - Dynamic Dave
I have a 1994 Cavalier 2.0 Auto. There is
a noticeable amount of vibration when the car is idling -
Is this normal for an older auto,


My '93 Cav had 90,000 on the clock when I sold it - no vibration.
or if not, any ideas what could dampen it down a bit?


When did the car last have a tune up?
Are the engine mounts shot?
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Tue 25 Jun 2002 13:20
Cavalier Auto - Vibration - selfy
It was serviced a month ago - the vibration didn't reduced.
I've no idea about the engine mounts - can you tell just by looking at them if they are knackered?

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Tue 25 Jun 2002 15:42
Cavalier Auto - Vibration - Mark (RLBS)
What kind of vibration ?

If you look under the hood, is the engine vibrating ?

Is the vibration coming only when the car is in drive, or also when it is neutral or park ?

Does the car immed. move forward when in drive if you release the brake ?

etc..
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Tue 25 Jun 2002 16:16
Cavalier Auto - Vibration - selfy
>What kind of vibration ?

Just feels like normal engine vibration, but amplified to a point where it can be felt through the steering wheel and is intrusive.

>If you look under the hood, is the engine vibrating ?

Looks normal under the hood, I can only feel it when sitting in the car.

>Is the vibration coming only when the car is in drive, or also >when it is neutral or park ?

Vibration is minimal in neutral (but still there), more in park, most vibration in drive.

>Does the car immed. move forward when in drive if you release >the brake ?

Yes
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Tue 25 Jun 2002 16:43
Cavalier Auto - Vibration - Dynamic Dave
Looks normal under the hood, I can only feel it when
sitting in the car.


Check the exhaust mount directly under the engine - or more specifically the downpipe from the manifold to the main exhaust. On my old Astra the rubber bush had perished causing the exhaust to cause vibration through the engine. The bush looks like a rubber grommit with a dowel through the centre.
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