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  1. rear differential cover leak

    4x4 Drivetrain
    My '02 Envoy XL developed a slow oil leak on the rear differential. It was due for a lube change so I order a new gasket and change the oil. Cleaned the cover and replaced the gasket/seal, refilled w/ new Mobile1. The leak continues, it appears the cover has a pin hole where the GM part...
  2. What's my rear axle size

    4x4 Drivetrain
    For an 05 Chevy Trailblazer LS 2WD 4.2L engine with a rear axle ratio of 3.42
  3. [SOLVED] How do I install differential lockers ( Elockers by Eaton) on my rear 3.42 axle?

    The 02-09 "How-To" and DIY Section
    I drive a 2005 Chevy Trailblazer LS 2WD with an axle ratio of 3.42 and wanting to install a differential locker for my rear axle. Ideally a manual selectable push-button locker by either Eaton or a good brand. Can I just buy a locker that fits my vehicle and just pay a mechanic to install it for...
  4. Front Axle Install Issues/Questions

    4x4 Drivetrain
    Just installed new front axles and not sure if the axle needs to be flush against seal. Currently there is a 1-2" gap and can't find a good picture to determine if there should be any gap. Any help would be appreciated. Thanks,
  5. leaking gearbox

    4x4 Drivetrain
    I apologize in advance for not being educated on autos, and the proper lingo. But here goes. Left front, leaking, mechanic used small camera to isolate leak and said it was the left side of the "gearbox" in which the "axle" went to. He took off a spring to remove the axle from the left side and...
  6. Gt4 g80 axle swap or rebuild

    4x4 Drivetrain
    Hey everyone. This past friday my rear diff gave out. I believe my axle bound and then busted it also f...ed up my newly rebuilt tranny. I only have reverse and 2nd. Also my rear is locked meaning when i turn i get chatter and the inner tire skids. Weird though when i go around a corner and...
  7. Axle and gear ratio help PLEASE!

    Hello all, I'm hoping to get some axle swap advice. from one of the many "GURUS" :hail: here. I am replacing the engine in my 05 TB 4X4 for no compression. See this post if you want a good read: :bonk: Anyway. Since I upsized my tires when I...
  8. Need a new or used rear Differential

    OEM Issues
    my differential is shot! took it to he mechanic and the whole differential is garbage. looking for a replacement but i don't know what i am looking for. i have a 2002 trailblazer ltz 2x4 with stability control. i am don't know the gear ratio either 3.43 or 3.73 or if it has a locking limited...