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How exactly does the TC cv-joint work?

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by Can Can, Jul 3, 2001.

  1. Can Can

    Can Can Pusher Man Staff Member Super Moderator

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    I'm curious how the CV joint on my 208 works. I've recently noticed a really subtle, rythmic squeak coming from under my 84, and even after greasiing all my u-joints, the sound is still there. The last possible culprit seems to be the CV.

    1. How does it work? What does it do?

    2. Is it greasable? I can't find a zerk or grease fitting anywhere?



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  2. Can Can

    Can Can Pusher Man Staff Member Super Moderator

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    Hmmmmmmmmmmmm.................Can't anyone help me?&lt;sigh&gt;



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  3. RaisedK5

    RaisedK5 1/2 ton status

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    It depends on what style an what year the CV is, On my 69 Buick, the centering balls are greasable with a special fitting, however on my Blazer i have a Cv from a 76-78 caddy which has no grease fitting for the centering ball, you have to take that one apart to grease the centering ball, which i found out need occational attention, i almost fried it once, it was real dry. i think the one on teh front of my case needs to be disassembled to be greased as well, now that i think about it. you might just take the thing apart and slather some grease in it and see if the noise goes away. Sorry i can't be more definite.

    RaisedK5

    "Of all the things I've lost, I think I miss my mind the most!"
     
  4. Grim-Reaper

    Grim-Reaper 3/4 ton status Author

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    Works pretty good.
    A CV joint in ourt trucks is just 2 J-Joints with a locating ball to suport it. Same rules apply as any U-Joint If the joints are greasable and the Ball takes a needle type grease peice to lube it. If you clean the crud off you will find a dish area up near the ball with a chrome check ball in it. If your hearring a squeek you need to pull it out and inspect it. I just had to rebuild mine. One of the caps on a U-Joint would not grease and it failed. Was making a real weird vib before it made a noise I recognizes as a bad u-joint. My truck has a 203 still full time.
    Now here is the deal with a 208...unless your running down the street with hubs locked your front CV should not be spinning. So if your hearing the noise on the street and your hubs are not locked I'd look at the rear driveshaft for problems.

    It's not my damn planet monkey boy!
    <A target="_blank" HREF=http://communities.msn.com/OffroadK5s>http://communities.msn.com/OffroadK5s</A>

    Grim-Reaper
     
  5. Can Can

    Can Can Pusher Man Staff Member Super Moderator

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    Thanks boys..........I'll do some further investigation and let you know what I find.

    Other than the u-joints, is there anything else that could be causing the squeak?





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