Volvo C70 This sporty coupe has a three-piece retractable hardtop for unsurpassed fun whether the the top is up or down.

Engine/Transmission Mounts.

Old 10-06-2018, 03:09 PM
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Join Date: Jul 2018
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Default Engine/Transmission Mounts.

I've been working (on my new to me 2008 C70) on what appears to be a not uncommon drivetrain vibration issue. One previous owner, and I have complete maintenance history.

Intermittent at low speed or under acceleration vibration. Doesn't feel in the steering wheel but in the floor etc. Tires are new, purchased prior to me buying the vehicle. Sometimes, most times smooth as silk especially while cruising. Other times at slow speed access or access to pass it shakes.

So far both right and left axle have been replaced. Left and right engine mounts have been replaced. Two piece transmission torque mount was replaced. Tires balanced yesterday. IPD tower brace installed. Planning to change out the spark plugs next week.

My question is, is there another transmission mount or other mount on the car. Been searching the threads but just haven't found a definitive answer for the later 2007 and up C70's.

Any help on that question? Any other ideas or advise?

Thanks in advance for your kind assistance.
Old 10-07-2018, 11:44 AM
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Join Date: Sep 2009
Location: NJ US
Posts: 5

Were the axles replaced recently and after the mounts were done? I have a similar issue with my 2000 C70 and its the drivers side cv that is bad. I know when the mounts go they can make the CV joints wear quick and shuddering on acceleration can be a symptom of a bad CV joint. Mine vibrates under anything but very light acceleration but is smooth at cruise. Sorry I can't help with the mount question.
Old 10-08-2018, 03:45 PM
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Join Date: Jul 2018
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DS, thanks for the note. Both axles replaced. Going to change the spark plugs tomorrow. We'll see what that brings.
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