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Rear Bearings

This is a discussion on Rear Bearings within the General Help forums, part of the LSx Technical Help Section category; So, I have a rear bearing going back on the passenger rear. Do I need to replace the Axle's with ...

  1. #1
    Member bhunter0830's Avatar
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    Rear Bearings

    So, I have a rear bearing going back on the passenger rear. Do I need to replace the Axle's with the Bearings and Seals?

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    Moderator 35th-ANV-SS's Avatar
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    I would just pull it and inspect it for any marks or gauging. It will depend on how bad the bearing was worn whether or not the axle got damaged. I would definitely put a new axle seal in though. Most likely the seal will be damaged when you pull the axle and need to be replaced anyway. They are relatively cheap. I would also suggest using RTV on it to ensure it doesn't leak gear lube after install.

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    Member bhunter0830's Avatar
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    Found an axle, bearing and seal package. Might as well just do it all the same time if i'm going to have them out.

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    Senior Member JayTA98's Avatar
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    if the race area of the axle is smooth you don't need to replace the axle. Here is a pic of my bad axle.
    Last edited by JayTA98; 01-16-2013 at 06:44 AM.

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    Former Mopar Man 2002ssslp's Avatar
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    Quote Originally Posted by JayTA98 View Post
    if the race area of the axle is smooth you don't need to replace the axle. Here is a pic of mine bad axle.
    Click for full size
    That one is cooked.
    My ride is a 2002 Camaro SS SLP #3296 with 30k, LTH, 3" Y, CME, Frost tune, K&N, ported TB, Blackwing lid, Bellows, MSD, Denso Iridium, and 85mm MAF, Bilsteins, Eibach springs, SLP strut brace, Adj. Panhard, TA Girdle, UMI, Pro 5.0, Nitto NT555
    My wife has a 2004 GTO with the rare SAP, 18" wheels, K&N Cold Air System, MSD, Ported TB, Frost tune, Denso Iridium, Flowmaster cat-back, 3200 Yank, 75k

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    Smiles for 9.5 Years cammed goat's Avatar
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    I agree. If the axle isn't gouged, then just the bearing and seal should suffice.

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    Member bhunter0830's Avatar
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    I can take the wheel and shake it. I am pretty sure the axle will be toast when I pull them out. But we'll see when it warms back up enough for me not to freeze my ass off in the garage.

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    They offer "repair bearings" that ride in a different area of the axle. Never looked into them for our cars, but it is a cheaper option than replacing an axle. Link is to more info: Automotive Cylindrical Axle Repair Bearings

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    Moderator 35th-ANV-SS's Avatar
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    Timken is a pretty great company. They supply axle bearings to the rail industry. I know one of the Regional Sales Manager's there.

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    Agree. If I had to replace a bearing, that is the manufacturer I would try to go with.

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    Member bhunter0830's Avatar
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    Timken is what I have ordered. Does anyone have a 101 on replacing the bearings?

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    You have to drop the rear cover and pull the axle c-clip to remove the axle.

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    Looks like this:


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    Spaz is My Mentor SMWS6TA's Avatar
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    If you need a new axle let me know I have 2 spares......plus a carrier, not sure of the gear ratio but it still is serviceable.

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    Member bhunter0830's Avatar
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    Looking for confirmation that the axles are 28 spline. Also, after looking at the RPO codes I have a 2.73 gear... Seriously, anyone have any suggestions on other gears?

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    28 spline sounds correct. I assume that is an auto trans with those gears -- 3.73's work great in our car.

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    Member bhunter0830's Avatar
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    Do I need to change the carrier if it go to a 3.73?

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    I assume you either have to change the carrier or utilize a ring gear spacer -- preference to the former over the latter.

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    Member bhunter0830's Avatar
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    Back to the bearing. Is there anything special needed to remove the bearing from the axle tube? I think I'll just abuse whats left of the rear end I have and upgrade once I've destroyed it.

  20. #20
    Your friendly policeman FinZ28's Avatar
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    2.73 gears had a series 2 carrier. You'll need to go up to a series 3 carrier, I believe.
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