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  1. J

    no 2nd gear after rebuild, then no 4th after fixing

    Talk-to-text is screwing everything up
  2. J

    no 2nd gear after rebuild, then no 4th after fixing

    3 to kick down valve head no clip in it and was pushed out of its bore from the pressure... Don't know how I missed a clip. So then it does something where fluid pressure is different on the 1-2 shift valve and there you go!
  3. J

    Attempting a G80 Axle Replacement

    No, G80 is a locker, or locking differential. No slip! But you still need LS fluid. I do not know, but gonna throw in my idea here: there are three axles. One is for a 5-lug. The other two are 6-lugs. So now it is down to two options. It comes down to the diameter of the outisde of the...
  4. J

    HELP!!!!!

    impossible to help. needs to be seen by a professional. WOuld like to hear what all happened next. please respond if you get this and update!
  5. J

    Please don't laugh... Quick Fix for a Oil Pan / Timing Cover oil leak

    the best RTV for EVERYTHING is...
  6. J

    2001-5.3-Check Engine Light Codes

    With the least amount of assumptions, I would say both parts have failed. The EGR sounds like it could be dirty and not seating al;l the way, and it's position is reporting back to the computer correctly (by not assuming there is a wire problem, Occam's razor) the temp sensor should never read...
  7. J

    intermittent fuel pump power

    your mechanic sucks. he barely tested anything. He did 15 minutes worth of testing it sounds like. your truck was de-prioritized. get it to another mechanic. Your issue is easy for someone who knows what they are doing. Grey wire from the relay that gets a splice from the oil pressure sensor...
  8. J

    Loose steering question

    I am assuming you mean the play that does not include anything past the sector shaft. You may be feeling a gearbox out of adjustment . Set the steering straight. Loosen the adjustment nut and screw the adjuster all the way in until it stops. Then back it out a tiny bit more than 1/8th turn...
  9. J

    Crank bolt

    16MM
  10. J

    Exact correct coolant for 99 Yukon

    Back in the day, dexcool was eating rubber gaskets (80s into the early 90s) then the auto industry changed all the rubber. Now we are all good! I prefer the toyota pink. Same EXACT stuff as the dexcool. Ford Orange? SAME STUFF!!! THis dexcool formula is being adopted by many. You can...
  11. J

    Busted timing cover bolt

    sorry about swearing. I type like I talk, oops!
  12. J

    Busted timing cover bolt

    I am really goo at extracting. remember that where it broke, the threads are probably stretched a little and that adds to the overall friction. But screw this... just gonna mess it up trying to extract after you have always given it effort. Use the "right stuff" 1 minute gakset. It actually...
  13. J

    New 2 Door Owner, ABS, No start, Oh my.

    As a technician, here is what I would do: pull fuel pump relay out. Diagram is on the side of the relay. Jump the female connectors that the relay goes into, than connect 12V to the load (the pump in this case) you should see a spark as you connect and disconnect it. That is called a...
  14. J

    1999 Yukon Not Starting

    Sounds like a starter right off the bat. It's the best solution with the least amount of assumptions
  15. J

    UnStick a Stuck valve

    I would say a stuck valve means head is coming off. Your nexhaust valves are probably a bit burned up anyway, if you are anywhere near 200K miles. It would be worth it just to replace the exhaust valves and lap them in. New seats if needed, but I usually just see the valves a little burnt...
  16. J

    Emissions stuff

    Would have thought a new purge valve would have fixed that. I see that happen to newer GM vehicles all the time. But same issue. Vlave is stuck open either slightly or fully, doesn't matter. When it is filled up it would spurt some raw fuel all the way up into the intake because pressure goes in...
  17. J

    Need to Flush

    Most vehicles I service tend to hold about 40% of the coolant in areas that do not drain from the radiator petcock... or the lower hose if I feel the petcock plastic is not up for the job of being twisted! So draining the block or flushing is the best 2 options. Some vehicles like toyota/lexus...
  18. J

    no 2nd gear after rebuild, then no 4th after fixing

    1997 Yukon 5.7L 4WD 4L60E Also, first gear and reverse slip. Reverse slips bad. First gear slips a bit than engages full after getting going. But let me go ahead and explain the entire situation. So my brother's 1997 Yukon tranny gets noisy. I am a master ASE tech, working for myself. I don't...

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