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  1. donjetman

    Oil pan replacement question

    I always drop the front diff and use a floor jack to reinstall
  2. donjetman

    Took the Oil Pan Off Yet Again

    give it a try
  3. donjetman

    Took the Oil Pan Off Yet Again

    mixture of VPB Restore only
  4. donjetman

    Removed 6L80 pan.

    For filter & fluid change. Its been 4+ yrs and 43k miles since filter was replaced. I've done 2 dump and fills (5 qts ea time) since 2022. Pan/magnet were almost clean and fluid looked fine. Going back in w/Dexron6 and #24236933 filter & seal, and I'll send an atf sample off for analysis.
  5. donjetman

    Took the Oil Pan Off Yet Again

    I know from spending a lot of time at BITOG forum that group IV is rare these days, not even a splash of group IV in box store "synthetics". :( Yrs ago the law and industry started allowing group III GTL oils to be called "synthetic". But Valvoline Premium Blue Restore is 80% group IV & V base...
  6. donjetman

    Took the Oil Pan Off Yet Again

    To see how well or not the oil mixture is working or not. Here are pics from the previous 2 drops: 6 of 2024 8 0f 2025
  7. donjetman

    Took the Oil Pan Off Yet Again

    Its not time for an oil change now, but when it is time I'll probably switch to either Amsoil, HPL, or VRP?
  8. donjetman

    Took the Oil Pan Off Yet Again

    3 summers in a row now since I started running Valvoline Premium Blue "Restore" 10w-30. (not Valvoline Restore and Protect). VPB Restore came about when Cummins asked Valvoline to come up with an oil that would cleanup the stuck piston ring problem they were having in one of their engines...
  9. donjetman

    07 Tahoe ltz running sluggish

    Maybe something further downstream in the exhaust occasionly blocks the flow?
  10. donjetman

    Torque converter starting to quit?

    so you still have a dirty trans filter in it starving it for fluid?
  11. donjetman

    Build thread - LMG 5.3 to L96 6.0 swap

    yep, I've been getting that "Low Oil Level" at each start on my DIC for a while now although its full
  12. donjetman

    Why oil pressure doesn't matter (much)

  13. donjetman

    Build thread - LMG 5.3 to L96 6.0 swap

    filter change every 50k miles or sooner
  14. donjetman

    Build thread - LMG 5.3 to L96 6.0 swap

    doesn't look bad. How many miles since last drop and clean-out?
  15. donjetman

    Torque converter starting to quit?

    @Sqt1411 Yes, you need to have BOTH the fluid AND FILTER changed. This should be done every 50k miles with the 6L80 tranny. Your torque converter if original is at the end of its life.
  16. donjetman

    Running lean

    https://motionraceworks.com/collections/catch-can-pcv makes catch cans for boosted applications.
  17. donjetman

    2012 Tahoe Starts but shuts off within 15 seconds

    we bought our 07 Denali without the suspension electronic control module 7 yrs & 75k miles ago, no issues except we get the "service suspension" DIC message at startup. I believe pt# is 15095294, ebay, junk yard, etc. Rear shock bladders are bad too. We don't tow
  18. donjetman

    Running lean

    If your oil is loaded with fuel from running rich before it will run lean for a while until the fuel is out of the oil. Or you can just change the oil.
  19. donjetman

    Build thread - LMG 5.3 to L96 6.0 swap

    @Dave09 crank position sensor above/behind starter
  20. donjetman

    I forgot what a PITA it is to drop the transmission pan NEED HELP w 2 Manifold Nuts

    yep, I'll be dropping my exhaust again for the 3rd time this summer. 1 exh nut is always a PITA.
  21. donjetman

    6L80 questions

    Borg Warner BW4485 if your glove box rpo code is NR3?
  22. donjetman

    Replacing torque converter without a lift and using floor jack/trans jack, what is needed?

    when I did mine, Harbor Freight lawn mower jack, I use it for a lot of various jobs,
  23. donjetman

    6L80 questions

    Sloppy loose chain in the transfer case ?
  24. donjetman

    07 Tahoe LTZ gas in the oil

    Here's the technical service bulletin link TSB 10-06-01-008M make certain its been done and here's a pic showing the difference in valve covers when I did the TSB Notice the location and shape of the pcv ports in each design.
  25. donjetman

    Swap from AWD to 4X4 two speed TC

    so no one knows. Back in the early 80s I had a 75ish Chevy Blazer 4x4 w/SBC & Automatic with full time awd with 2 speed TC with neutral and manual shifter thru/on the trans tunnel.

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