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Topic: Upper Control Arms

in Forum: C3 Engines, Driveline and Handling


Upper Control Arms

Posted: 10/3/05 3:41pm Message 1 of 5
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Gloucester, VA - USA
Joined: 1/29/2005
Posts: 1453
Vette(s): 1979 T-Top, Metallic Green ZZ4 350/355 hp 405 ft/lbs torque Dual Spal Fans 700R4 4 Spd O/D Transmission 2004 Z06 Commemorative Edition

 

 My bushings are squeaking..bad.  I guess it's a good time to replace them?  What else should I do and what do I need to know.

 Jim




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The Money Pit.... and my niece

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Upper Control Arms

Posted: 10/3/05 8:55pm Message 2 of 5
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CUYAHOGA FALLS, OH - USA
Joined: 12/2/2003
Posts: 6424
Vette(s): 1975 C3 Red, T-Tops, Black Interior. All I need is time and money! Getting there!

Just be sure to put the shims back in place where they were when you loosen the upper control arm bolts.  These are used to set the front end alignment. 

If the bushing are otherwise good, you may want to lube them with some graphite or silicone before replacing them.  Might save you a lot of work.

Also take a good look at the ball joints.  They can create quite a squeak as well.

kstyer38628.8730208333


Upper Control Arms

Posted: 10/3/05 9:35pm Message 3 of 5
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Gloucester, VA - USA
Joined: 1/29/2005
Posts: 1453
Vette(s): 1979 T-Top, Metallic Green ZZ4 350/355 hp 405 ft/lbs torque Dual Spal Fans 700R4 4 Spd O/D Transmission 2004 Z06 Commemorative Edition

Ken,

Two questions, 

 How do you tell if the bushings are "BAD"?

 How can I tell if it's the ball joints vs. the control arm bushings?

 Thx

  Jim

  P.S. Hope your wife is doing well...

 




Lifetime Member #73

The Money Pit.... and my niece

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Upper Control Arms

Posted: 10/4/05 10:41am Message 4 of 5
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BINGHAMTON, NY - USA
Joined: 7/19/2003
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I'm not Ken,but here is my $.02,look at the bushings,if the rubber part is cracked and split,and deteriorating,they are probably shot.you can take off the retaining bolt at the end of the shaft,and try to spray some PB BLASTER,WD40,liquid graphite,whatever you have,it might help for awhile,but eventually they will have to be replaced.as for the ball joints,just try greasing them,they would have to be in pretty bad shape to squeak.if the bushings are shot,and you have to replace them,that would be the time to replace the ball joints too


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Upper Control Arms

Posted: 10/4/05 6:54pm Message 5 of 5
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CUYAHOGA FALLS, OH - USA
Joined: 12/2/2003
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Vette(s): 1975 C3 Red, T-Tops, Black Interior. All I need is time and money! Getting there!
Ron is right on the money here.  But let me add some more.  Use a "mechanic ear" or just a stethoscope type device.  A screwdriver can be used.  Touch the ball joint, bushing, etc, and put the other end to your ear, and bounce the car.  Be carefull not to line up the screwdriver to poke into your ear when you bounce.  OUCH!.  You will be able to hear the squeak culprit.


in Forum: C3 Engines, Driveline and Handling


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