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Old 09-05-2008, 01:21 PM
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Weird problem, rear moves side to side??

Hi!

This is my first post on the forum although I've been reading for quite some time now. Seems like there is alot of knowledge on this board.

My name is Oscar and I live in Sweden. I have a 1963 Chevy II HT which I've been working on during the summer, I've changed the engine, repaird some rust, done some minor bodywork and hope to be out on the streets soon. I just have this weird problem I need to solve. I'll do my best to describe it:
When I roll the car (by hand, It wont run by itself just jet) the rear of the car jumps side to side (not much, maybe 1/2-1")and it makes a weird sound, sounds a bit like "klonk, klonk".
The car only rolls a few feet between each side to side movement and it seems to get worse when I turn. I've disconnected the driveshaft, removed the pinion (needed to change the bearings anyways) and changed the C-clips as the were a bit worn. I mesured the new c-clips and the groove in the axel and the groove is about 0.0157" wider than the clip, feels like a bit too much but then again, I dont know how much its supposed to be.
Nothing of the above helped, and the brakes seems to work properly but I guess you never know.
So, what could possibly be causing this? I've sure as hell run out of ideas....

Thanks
/Oscar

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Old 09-05-2008, 01:37 PM
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I would say to check your axles and your panhard bar. That is about the only thing that will let the rearend move side to side. You can also check out the control arms, they might need new bushings as well.
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Old 09-06-2008, 12:11 PM
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1/2 inch= holy cow !!!!!! There should be NO discernable movement whatsoever.

63 Novas are leaf spring cars, aren't they?
My guess is that your suspension bushings are worn out, or your suspension mounts are rusted off.

Have someone wobble the car as you look underneath for the source of the looseness.

When you rebuild the suspension, use polyurethane bushings only, no rubber.
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Old 09-07-2008, 11:51 AM
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Thank you for your help.
Yes the 63 Nova is a leaf spring car. The strangest thing about this is that it doesent seem to move sideways if I push on the sides, only when I roll the car, especially when i turn. I guess I'll just change all the bushings and bearings in the rear end, they are all old and cracked anyways.
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Old 09-07-2008, 12:50 PM
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Quote:
Originally Posted by Nova_63
Thank you for your help.
Yes the 63 Nova is a leaf spring car. The strangest thing about this is that it doesent seem to move sideways if I push on the sides, only when I roll the car, especially when i turn. I guess I'll just change all the bushings and bearings in the rear end, they are all old and cracked anyways.
Check your tires for a warped belt.
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Old 09-07-2008, 09:47 PM
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Quote:
Originally Posted by ScoTFrenzel
1/2 inch= holy cow !!!!!! There should be NO discernable movement whatsoever.

63 Novas are leaf spring cars, aren't they?
My guess is that your suspension bushings are worn out, or your suspension mounts are rusted off.

Have someone wobble the car as you look underneath for the source of the looseness.

When you rebuild the suspension, use polyurethane bushings only, no rubber.

What he said.
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