Re: [AMC-list] 71 Gremlin shakes at 60 mph

[Joe Fulton <piper_pa20@xxxxxxxxxxx>]

I haven't followed the whole thread, but I mostly cured a driveline vibration on my Gremlin which occured at 60 mph by having my driveshaft professionally balanced and the shop replaced both u-joints at the same time.   Also, you can check runout on your wheels by placing a fixed object like a concrete block next to each wheel with a pointing device (stick, rod, or micrometer if you want to get more precise) and rotating each wheel noting how the distance between the pointer and the wheel changes (or the micrometer reading changes) as the wheel is rotated.

One other source of vibration might also be an out of balance accessory (or pulley) on the engine.

Joe Fulton
Salinas, CA


--- On Tue, 5/12/09, Ted Dooling <tdooling@xxxxxxxxxxx> wrote:

> From: Ted Dooling <tdooling@xxxxxxxxxxx>
> Subject: [AMC-list] 71 Gremlin shakes at 60 mph
> To: amc-list@xxxxxxxxxxxx
> Date: Tuesday, May 12, 2009, 11:54 AM
> Based on all the replies I think I'll try and locate
> another set of rims first. The tires are new and balanced.
> The rims must be 40 years old and who knows how long the car
> sat with them, probably years. Is it possible that even if
> the tires are new and balanced and front end aligned that
> the rims could still be the problem. Then I'll check
> drive shaft or rear end bushings per dave s. reply.
> 
> Whole car shakes, not steering wheel or (automatic)
> shifter.
> 
> Ted D.
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