 CV Joint Education, When to rebuild? What's the worst case? |
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| DennisV |
  Jun 5 2023, 02:10 PM
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#1
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Member  Group: Members Posts: 468 Joined: 8-August 20 From: Santa Rosa, CA Member No.: 24,575 Region Association: Northern California 
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I am completely ignorant to the intricacies of CV joints (aka drive shaft per parts catalog). Preliminary questions:
 I have already blown my self-imposed goal of driving to Parade. Any projects I can defer will improve my chances of driving to Rennsport. As always, thanks for humoring my questions. I poked around the forum and the factory manual but I didn't find this covered. P.S. found a nice rebuild video on Ian Karr's channel. I could do it, just running out of time... |
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| 914Sixer |
Jun 5 2023, 05:58 PM
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#2
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914 Guru Group: Members Posts: 8,882 Joined: 17-January 05 From: San Angelo Texas Member No.: 3,457 Region Association: Southwest Region
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Simple job. Thinking they should be repacked every 50K. Do them with everything out now. Good news for -6 owners is Porsche had them remade and are available.
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| 914werke |
Jun 5 2023, 08:12 PM
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#3
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"I got blisters on me fingers" Group: Members Posts: 10,058 Joined: 22-March 03 From: USofA Member No.: 453 Region Association: Pacific Northwest
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One tell tail sign is look at the interior of the axle flanges (once grease is wiped away)
If you see witness (wear) marks on those flanges it means the cages & balls are worn and hyper extending, if driving this might also be accompanied with a distinct clunk when applying power. Worst case is an inner lets go at highway speeds |
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| iankarr |
Jun 5 2023, 10:07 PM
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#4
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The wrencher formerly known as Cuddy_K Group: Members Posts: 2,473 Joined: 22-May 15 From: Heber City, UT Member No.: 18,749 Region Association: Intermountain Region
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The clunk is the dead giveaway. Other wear effects and the rebuilding process in this video…
https://youtu.be/F-5Xpug52Qw |
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