C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

U-Joint replacement

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Old Oct 15, 2002 | 02:03 PM
  #1  
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Default U-Joint replacement

I get the 'clunk' noise coming from the back of my car. I think it’s the same one a lot of people have here on the forum. Most say its the U-joints, so now I'm looking to replace them. Is this expensive to do? Is this something that someone with basic car knowledge can do with a buddy or two helping? I will be replacing my rear bearings soon and wondering if I should do both at the same time.
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Old Oct 15, 2002 | 02:04 PM
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Let me introduce you to a little friend of mine...... http://personal.tmlp.com/scorp/vette/images/ujoints/
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Old Oct 15, 2002 | 03:17 PM
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Default Re: (scorp508)

Let me introduce you to a little friend of mine...... http://personal.tmlp.com/scorp/vette/images/ujoints/
excellent :cheers:
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Old Oct 15, 2002 | 04:25 PM
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Default Re: (scorp508)

Awesome directions...Thanks
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Old Oct 15, 2002 | 05:11 PM
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Default Re: (scorp508)

http://personal.tmlp.com/scorp/vette/images/ujoints/
Just read through this link. Great info.

Is it possible to have bad U-joints even if you cant feel any looseness in them when you try to wiggle them around?
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Old Oct 15, 2002 | 05:29 PM
  #6  
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Default Re: (Paul G)

Yes,
Mine felt solid, with the car on the ground, or off the ground and was clunking and grinding. I could not see any sloppiness. Once I got one of u-joints off, it fell apart in my hand.
I have done both sides, one was when I replaced the wheel bearing, which made the bearing replacement much easier, and the other with the bearing in, following scorp's instructions.

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Old Oct 15, 2002 | 06:11 PM
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Default Re: (scorp508)

awesome documentation!
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Old Oct 15, 2002 | 06:31 PM
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Default Re: (brookman)

Remeber too some parts stores have the nice u-joint press tool for rent or free use. Makes things go much smoother, than say, a big hammer.

Also, some drive shaft places will do bench work at a very reasonable cost. The main expense is removing and replacing the shafts.

Good luck with your work.

dlmeyers 90 coupe zf6 3 speed shocks
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Old Oct 15, 2002 | 07:25 PM
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Default Re: (scorp508)

Good job on the pics. :cheers:
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Old Oct 15, 2002 | 07:31 PM
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Default Re: (dlmeyers)

Remeber too some parts stores have the nice u-joint press tool for rent or free use. Makes things go much smoother, than say, a big hammer.

Also, some drive shaft places will do bench work at a very reasonable cost. The main expense is removing and replacing the shafts.

Good luck with your work.

dlmeyers 90 coupe zf6 3 speed shocks
I found a local truck drive shaft shop that pressed mine for $20. Only took them a few minutes. The hammer/socket method is risky and can end up being $$$ if you screw up.

Good luck,
Mark


:cheers:
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