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  1. opfor2

    Driveshaft differences

    Dumb question, but this tool only assist in the removal of the U joint. Will it also help in the installation of the new joint
  2. opfor2

    Driveshaft differences

    So which Lisle works for our Tahoe's the Small #42890 or Medium #42900?
  3. opfor2

    Checked my engine hours today

    All GM vehicles will do this.
  4. opfor2

    PCV Valve 2008 xl 5.3 is it pressed in or how to remove?

    His 2014 should already have the new valve cover.
  5. opfor2

    Checked my engine hours today

    With the engine off, push and hold the dash pin in and it will show you the engine hours.
  6. opfor2

    PPV??? SSV??

    GAM= Vehicle Government (GSA Sales) so it's a US Government vehicle ordered by the General Services Administration and probably an admin fleet Tahoe since you don't have a 5W4 RPO code. VEHICLE GOVERNMENT (G.S.A. SALES)
  7. opfor2

    Radiator Fan Questions

    You know RockAuto sell just the motors which you cam replace?
  8. opfor2

    Royalty auto service

    The Follow up
  9. opfor2

    Royalty auto service

    Love these guys
  10. opfor2

    Need help choosing correct Denso radiator 2012 SSV

    It's funny the GM GENUINE 21742 Economy is $ 488.79 while the GM GENUINE 21648 made for the PPV and I'm assuming the SSV is only $299.79 on Rock Auto.
  11. opfor2

    Engine stalling, rough idle, rpm fluctuation.

    Unfortunately no you will have to remove it inorder to check.
  12. opfor2

    2015 Flashing CEL *solved*

    Usually a flashing cel indicates a severe misfire condition
  13. opfor2

    AC Diagnosis?

    I added about three oz to my system that was empty, evacuated the sys for about an hour added the r134a and found the leak and repaired. Added the dye with a syringe through the Schrader valve.
  14. opfor2

    torque converter replacement question

    I'm going to have a local shop fix my rear main seal oil leak on my 2011 and while they have the transmission removed, I want them to replace the stock torque converter. My question is what is a good heavy-duty replacement for my Tahoe? I use it as a daily driver with some light to moderate...
  15. opfor2

    2011 Tahoe after Market air conditioning filter

    I have the GM retro kit for several years now I just need to find the time to install it.
  16. opfor2

    Exhaust Gasket ?

    I need to replace the clamp between the converter and the pipe/resonator and I'm wondering if there is also a gasket that seals the two? I can't seem to find anything on Rockauto's page.
  17. opfor2

    Engine Labs Article About Lifter Failure

    Awesome I didn't think that my 2011 did. Now to install that catch can that's been sitting in the garage for the last year or so lol
  18. opfor2

    Engine Labs Article About Lifter Failure

    Does the Tahoe have GDI?
  19. opfor2

    GM O2 sensor

    YES I no longer have a p219a code for months now.
  20. opfor2

    codes p219B and p2635

    The ECM should be in the engine compartment.
  21. opfor2

    codes p219B and p2635

    I had a consistent P219a on my 2011 using "upstream" Denso O2 sensors, I replaced then with OEM GM O2's and now we are good.
  22. opfor2

    Weird AC problem. 2010 Yukon *SOLVED*

    2.5 cans of R134a is a lot of refrigerant to lose. You need to check your system for a leak.
  23. opfor2

    Aftermarket weatherstripping / Door seals

    I noticed the interior a little quieter after replacing the door seals. I got aftermarket door seals from rock auto. The two front doors fit perfectly without any issues however; the rear seals had to be trimmed to fit.
  24. opfor2

    Running rough

    Are you using E85 fuel?
  25. opfor2

    Will a lithium battery ruin my alternator?

    I didn't know that AGM batteries are also not recommended on out vehicles. I guess I'll stick with the old fashion flooded batteries.

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