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rear differential
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  1. 02-09 Vortec 4.2L I-6 Engine and Drivetrain
    Long story short, I got out of jail and my 05 trailblazer LS base will not catch any gears from 1st to park, basically it’s in neutral full-time. I checked the rear differential because it was wet underneath it or was wet underneath it it looks like and there was two holes in my rear...
  2. OEM Issues
    Hey everybody. I'm generally a lurker on the forums since I usually find what I'm looking for has been answered/discussed 10 times over before I get to the party, but this time its not the case. Here is the skinny: -06 TB LS - i6 4x4 with GU6 3.42 Non-locking Rear End 189,000 miles...
  3. OEM Issues
    Hi Guys! Its been a while since I have been on the forum but I am always surprised at how many great articles people post and the random things you find. Keep it up! So sadly the trailblazers rear differential broke last night :worried: I do not have a exact diagnosis yet but I am assuming...
  4. 4x4 Drivetrain
    Help! I just had my 2003 Trailblazer EXT in for body damage, and asked the shop if they could help me loosen the rear differential plug. They said it was so stripped, they were afraid they would damage the threads in the housing. I can only assume my useless exhusband had a hand in stripping...
  5. Transmission Mods
    Can you install a G80 locker in a rear differential that doesn't have one without getting a whole new rear end? I'm a bit of a noob when it comes to the actual mechanics of it...
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