so it begins! my first rear end rebuild

Discussion in 'Got gears?' started by Sabotage_666, Apr 19, 2011.

  1. Sabotage_666

    Sabotage_666 Guest

    373 gears check
    eaton posi check
    rebuild kit check
    extra inner pinion bearing...in-transit or so im told
    worthless richmond gear video.......in the the trash where it belongs
    1971 Buick all chassis service manual check
    inch pound torque wrench check
    foot pound torque wrench check
    jegs pinion depth check kit... check
    brass drift...A.K.A old brass fitting at the end of a piece of pipe. check
    episode of Extreme 4x4 that goes threw a rear end rebuild check
    balls......well the girlfriend has those on a key chain lol:Dou:

    well I'll tell yeah right now im not doing a right up on this cuz this is my first, but hopefully not my last time.

    its a chevy 8.2 rear end. I already got the new bearing races in place and it was actually easier than i thought it would be.
    Any input?
     
  2. 462 Chevelle

    462 Chevelle 462 chevelle

    got any friends that have done it before so you get some guidance. nothings worse than thinking you have a job well done doing your rear end then test driving it and it sounds good when your taking off but when you slow down it sounds like a tornado siren whining.
    if you end up doing it alone post pics when you start checking your patterns and let some of the pros look.
     
  3. Sabotage_666

    Sabotage_666 Guest

    Will do. That's probably the only thing I'm on edge about cuz all the pics of the wear patterns suc.
     
  4. 64pinhead

    64pinhead Well-Known Member

    Just did the rear on my 64 Skylark, so I know what you are going through. One thing to pay attention to is the thickness of the shims that are removed and which side they came from. That will give you a good start when you do the install. One of the books I read said not to try to achieve a perfect wear pattern because it will drive you crazy first... Seriously though, if you take your time and check preload, and then shim the RG for backlash, hopefully you will find that the patterns will be just fine and, if like me, after that rebuild you will feel like super mechanic.

    Have fun and if any problems, JUST CALL JIM (monzaz). Like I said before, if I can do it, anyone should be able to.

    Don
    64 Skylark, 300/355, sp 300, and now 3.36 w/ Eaton posi
     
  5. Sabotage_666

    Sabotage_666 Guest

    What weight gear lube should I use. All the service manual says to use is SAE 90 GL5?
     
  6. pphil

    pphil Well-Known Member

    i just got some valvoline high performance 85w140
    2 quarts should be plenty
    just dont forget the posi additive

    scott
     
  7. Sabotage_666

    Sabotage_666 Guest

    Got a big question to ask.
    Is it possible to "not need" any shims when setting
    up pinion depth, cuz if I did all my measurements right
    (and I'm pretty sure I did) I do NOT need any shims
    to set a nominal pinion depth.

    so yeeeaaaaaahhhhhh......

    If you guys think I should just set it up
    with the right back lash and check the wear
    pattern (by posting picks of it) to see if it's
    nominal I'm definitely in favor of doing that.
     
  8. TheSilverBuick

    TheSilverBuick In the Middle of No Where

    Mine used a single thin shim (8.5"), but I did mine from the pattern and backlash and not from pinion depth.
     
  9. Sabotage_666

    Sabotage_666 Guest

    ok i just got the ring gear installed on the carrier and everything, question now is, how easy is it to put the original shims back on either side of the carrier bearings, to me it seems a little to tight so i didn't want to force it.

    waitin to hear from some one.
     
  10. DaWildcat

    DaWildcat Platinum Level Contributor

    If the carrier you're using has never been set up in that housing before, you are starting from scratch when it comes to shim thickness. Your first goal is to determine the total left + right shim thickness required to get correct carrier bearing preload, then by adding X to one side and subtracting X from the other you can alter ring gear engagement with the pinion.

    The only time you can count on using the old total shim pack thickness is when reinstalling the same carrier into the same housing.

    Devon
     
  11. Sabotage_666

    Sabotage_666 Guest

    just set my backlash to .007-.008
    Now to check the pattern do i have to put the other pinion bearing in along with the yoke and old nut?
     

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