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transmission issue
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  1. Transmission Mods
    First post, here it goes. Recently bought an 05 trailblazer ltz, 150k miles. At first i thought it was just a rough converter (trans component slipping code), did a lucas treatment, kinda worked for 50 miles without stuttering in rpms while in 2nd and 3rd. Then one day backing out of the...
  2. Transmission Mods
    I have a 2005 TB with 337,000 or so miles on it. A couple of weeks ago I noticed it wasn't shifting like it should and took it in for repair. The root of the problem was a rupture in my radiator which cross contaminated fluids with engine and transmission. Ended up replacing transmission...
  3. OEM Issues
    Hey, everyone! New to forums... and i hope you all can help! ? I recently purchased a 2003 GMC Envoy XL SLT V8 4x4. (I knew I would have to put a new transmission in it.) before we replaced the transmission, there was an intermittent starting issue and shifter issue. (Wouldn’t go out of park...
  4. General
    Hello!:undecided I'm in the process of buying a 2008 Trailblazer LT2 4.2L 4x4. The buyer has informed me that it won't come out of 2nd gear. I've priced rebuilt transmissions and found a builder that wants $1700 + including shipping to Dayton, Ohio. The issue is this, the truck sits 140 miles...
  5. OEM Issues
    2003 4.2 4x4 130k oil changed ever 5-7k trans fluid changed ever 25k, most recent was at 120k So, wife and I were heading back from visiting family, and after coasting down hill on freeway, I noticed a lack of power on flat level ground @55mph. Noticed we were sitting at 3.5k rpm at that speed...
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