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87 Corvette Clunky Suspension

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Old Jun 1, 2017 | 07:30 PM
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Default 87 Corvette Clunky Suspension

Have an 87 Corvette that's pretty clunky on the road, has been that way since I've had it. Where should I start with replacing on the suspension?
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Old Jun 1, 2017 | 07:47 PM
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Originally Posted by 14bjohnson
Have an 87 Corvette that's pretty clunky on the road, has been that way since I've had it. Where should I start with replacing on the suspension?
You Pose a Loaded question to throw parts is not advisable, inspect the suspension make sure the shocks are tight, The Hub Bearings are not worn out with excessive play find what is loose then repair/replace Smartly.

Things to look at Exhaust and Hangers.
Spare tire holder, you would be surprised how many cars have the Tire holder on the lower notch by the Licence plate & on the drop down position by the Diff.
Sway Bar Bushings & Link Ends.

Last edited by s carter; Jun 1, 2017 at 07:49 PM.
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Old Jun 1, 2017 | 07:54 PM
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Thanks :P
Originally Posted by s carter
You Pose a Loaded question to throw parts is not advisable, inspect the suspension make sure the shocks are tight, The Hub Bearings are not worn out with excessive play find what is loose then repair/replace Smartly.

Things to look at Exhaust and Hangers.
Spare tire holder, you would be surprised how many cars have the Tire holder on the lower notch by the Licence plate & on the drop down position by the Diff.
Sway Bar Bushings & Link Ends.
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Old Jun 1, 2017 | 09:13 PM
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Add to the list the various bushings and u-joints to the list.
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Old Jun 2, 2017 | 07:36 AM
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It's an old car also, if not something loose, it's probably some worn rubber bushings.

On my car when i first got it, i had a nasty rattle in the back, turned out the sway bar end link bushings were shot...

​​​​​​​Tons of rubber bushings in these cars...
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Old Jun 2, 2017 | 02:41 PM
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Anything more descriptive than clunky?

There's natural C4 stiff suspension, it's not cushy.

If something more, check shock ends too, on mine the mount points were shot even though actual shock was fine.

Bushing, ujoints, ball joint, all good pointers. Jack it up and shake some things, see what's loose.
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Old Jun 2, 2017 | 10:07 PM
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Kind of what I was dealing with here is a before and after. Note
Very hard to tell if the ujoints are bad because the spring is tensioning them inward.
Strut rod bushings are hard to tell if bad because you cant see them.
trailing arm bushings in the pick looked ok but they were pushed all different ways.
jack the tire and try to move it 3-9 and 12-6 to check hubs.

Now that I have most replaced I learned it is better to do the ones that affect alignment the most first. I have been to the alignment shop 2x and one more trip should do it.
Good luck
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Old Jun 8, 2017 | 02:59 PM
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Thanks a lot guys, and it's all clunking in the front end... I get a nasty clunk during a right sharp turn as well...
Rear end is pretty solid.

Last edited by 14bjohnson; Jun 8, 2017 at 03:00 PM.
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Old Jun 9, 2017 | 06:34 AM
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If it's the front end, I'd start with the ball joints and hubs. I suspect that's where your clunk is originating.
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Old Jun 10, 2017 | 01:07 PM
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Default '87 Corvette Clunky Suspension

You need to listen to your car to help diagnose the clunking. Shocks would rattle all the time. Universals would clunk as you get on or get off the gas. Then there is sway bars and other parts.
Not sure of the definition of "Clunky" in your case but I'd check the shock ends. If the rubber there is worn out; it would leave play causing a rattle as the suspension worked.
If you have to replace rubber parts in the suspension there is a kit that has everything and look for the word "Neoprene." A better longer lasting repair.
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