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Recent content by Grumoly

  1. G

    1997 4L80E No OD, No Codes, No Slipping,

    Thanks. Think i have checked the grounds. Have it ging into shop tomorrow to put on computer and drop pan. If it looks messy i have a hold ona used tranny with 50k mile
  2. G

    1997 4L80E No OD, No Codes, No Slipping,

    Thanks Have had lots of helpful replies so far
  3. G

    1997 4L80E No OD, No Codes, No Slipping,

    Not yet
  4. G

    4L80E Tranny - no over drive, no slipping, no codes everything else drives fine

    Shop one Put it on a computer and drove while attached. no codes. computer was signalling to go into OD but nothing happened. "I seem to remember these old trannies use to have an electrical short problem in the harness. an orange wire?". Too busy to look at it. Shop 2 No Codes. Took for a test...
  5. G

    4L80E Tranny - no over drive, no slipping, no codes everything else drives fine

    HI Thanks Apparently the 2 shops are both very good... but both gave me different answers... so challenge is trying to find which one is gooder LOL
  6. G

    4L80E Tranny - no over drive, no slipping, no codes everything else drives fine

    Hi again I took advise adn replaced the etc. Made no difference. but at least eliminates one thing. While out for a test drive I paid more attention the the shifting and while manually goin gthru gears there is def 3 gears but cant feel lock up in any. Temp was a steady 89 degrees celcius. load...
  7. G

    4L80E Tranny - no over drive, no slipping, no codes everything else drives fine

    Thanks again for the reply how do I do this? I have a basic scan tool that I can plug in and it usually runs at 90 ish celcius while running. Not sure how acurate it is or which sensor it is picking up from.
  8. G

    4L80E Tranny - no over drive, no slipping, no codes everything else drives fine

    Thanks for all the help Yes the Cruise control works. Brake switch not keeping lights on Engine Runs Smooth Maually running thru gears gives 1-3. move to overdrive and no change.
  9. G

    4L80E Tranny - no over drive, no slipping, no codes everything else drives fine

    Thanks for the suggestion. I have checked and there are no codes showing. I have checked and the 2 mechanics I had it to confirmed. I appreciate the reply. Have a great evening
  10. G

    1997 4L80E No OD, No Codes, No Slipping,

    Hello all New here and nearly new to the 6.5 diesel - I love it. I have a 1997 6.5 diesel crew 4x4 1 tonne Starts and runs great drives straight. A few months ago I was camping with family - drove 150 miles and then another 40 miles on really rough road (lots of shaking) pulling a 2500lb...
  11. G

    4L80E Tranny - no over drive, no slipping, no codes everything else drives fine

    Hello all New here and nearly new to the 6.5 diesel - I love it. I have a 1997 6.5 diesel crew 4x4 1 tonne Starts and runs great drives straight. A few months ago I was camping with family - drove 150 miles and tehn another 40 miles on really rough road (lots of shaking) pulling a 2500lb...
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