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  1. 2007.5 + (GMT 900) Non Powertrain New Body Style
    Hi , I went to a local mechanic shop to change both rear axles oil seal , then 400 km (250 miles) later i started to hear a gronding sound but nothing bad. Next week ,600 miles later ,that noise is worst so after checking the front end , I look to the rear axle and its leaking again. The...
  2. 07.5-10 LMM Duramax Powertrain
    Alright I have a 2008 3500hd. When I let off the gas it makes a awful roar. Acts if I am hitting the brake. I noticed it started leaking oil around the driveshaft today as well. When I hit the throttle it all goes away. When you are getting close to stopping it acts if it is hanging on...
  3. 01-04.5 LB7 Duramax Powertrain
    Looking at replacing my ring gear and posi unit in my 04 2500HD. Keeping stock ratio 3.73 but you cant buy clutches from AAM for the rebuild of stock carrier, so I will have to replace with entire new carrier (posi unit) any recommendations on best gear sets and Posi units? Thanks
  4. 06-07 LBZ & LLY Duramax Powertrain
    :help I have an 06 LBZ 2500HD 4X4 extended cab, 59500 mile, Edge jucie with attitude, S&B cold air, MBR turbo back 4inch. About a week ago I was rolling down interstate about 75Mph when what felt like I lost traction and then it grab it and made like a knock/clunk sound (dry Rd). well then today...
1-4 of 4 Results