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  1. R

    Differential Fluid Help

    Its best to replace gasket dont go with rtv.. gaskets are available
  2. R

    High Beams won't stay on

    Don't know this for sure but from I read on description and operation the key needs to be on or run position with the head lamp switch on I'd go check it on mine but the beers I had are sayin chill have another one...
  3. R

    Differential Fluid Help

    Cool thread... bulletins and experiences to back it up.. gotta say very informative and useful information
  4. R

    2002 Yukon Idle Speed

    I also have a 6.0 and it idles 6-650 and also a GM certified for over 25 years do this for a living. Look for vauum leaks its thee most common cause for your type concern... not here to boost or toot my horn just here to give back with what Im very thankful on what I've been blessed with and...
  5. R

    2002 Yukon Idle Speed

    The IAC is fine once you reinstalled the plunger back the ecm will relearn the stepper motor counts immediately.... You might want to check for vacuum leaks at the base of the upper intake manifold gaskets by spraying the same throttle body cleaner and listen closely if theres a change in idle...
  6. R

    Driver side window 2000 Tahoe

    De nada : )
  7. R

    Leak, passenger front side

    Check the wiring lomb body to door seal even tho it looks ok it may not be seated properly... on the body side pull the seal off once off you will see a hard white oval plastic wire protector.. there will be release tabs on it I cant remember of the top of my head but I think there maybe 4... 2...
  8. R

    Driver side window 2000 Tahoe

    If the window motor looks and or sounds pretty strong when rolling up or down the only possibly is the window switch because the left front and left rear have the same power source from RAP relay and the 25 amp circuit breaker... thats taking into consideration from what your describing that ALL...
  9. R

    Stalling in gear/low rpms

    All good C vehicles can be quite challenging and confusing at times for all of us even more so when trying to help someone by just going off the symptoms there describing.... @D... question... the vehicle is driveable correct just low idle/stalls in gear but accelerates and drives ok.. and is...
  10. R

    Stalling in gear/low rpms

    Check your connections to the under hood fuse block from the battery also check the ground cable that bolt to the engine block under the #3 cylinder... when the tcc solenoid stays engaged it will cause more of a sudden direct stall and that will happen more when coming to a stop after tcc is...
  11. R

    Cluster radio lights

    Just the speedometer or the other gauges as well
  12. R

    2000 Tahoe hot air

    Approximately how long is the compressor staying on when cycling... if its a quick on off maybe low on freon if its on any where from 45 seconds to about a little more than a minute you may have a bad compressor
  13. R

    2009 Yukon SLT Electrical Problem

    De nada.. keep me posted hope that works out ferya.. : )
  14. R

    Tranny Fluid Change?

    Yeup I prefer earlier.. all fluids are vital and should be done earlier then manufacturer suggest.. if you spark plug fails or plug wires fuel pump.. put some new ones in and your good to go... neglect your fluids the potential for high repair cost is evident
  15. R

    Tranny Fluid Change?

    Thats funny I am a GM certified tech for over 25 years now and my service manager doesn't no jack about a vehicles operation let alone transmissions... again if vehicle's are kept up that should be nothing to worry about as far as doing whether it be a trans pan and filter change or a complete...
  16. R

    2009 Yukon SLT Electrical Problem

    The body control module is named as per its operations and functions just like the Engine Control Module it controls engine actuators as per sensor input... the body control module controls door locks as per passenger input push door lock switch to lock that signal goes to the BCM and thru a...
  17. R

    No power windows working all fuses are ok. What is the next troubleshooting step.

    Does your radio work ok ? If not check the 50amp RAP fuse underhood fuse block.. if thats ok check Ignition B 50amp fuse underhood fuse block.. if thats ok check RAP #1 relay thats located inthe junction block down to the left of the brake pedal youll need to remove the black cover to access it...
  18. R

    check engine oil level light

    On the passenger side of the oil pan is the oil level sensor try replacing that and see if that helps
  19. R

    2009 Yukon SLT Electrical Problem

    So you checked the grounds behind the cylinder heads there's one on each side it a black wire with a whitetracer the one on the right side bolts in vertically into the rear of the cylinder head and the left side bolts in horizontal into the rear of the cylinder head if those are okay most likely...
  20. R

    Cold start ticking on driver side of 5.3 motor

    You also may want to check for any broken exhaust bolts that will cause a ticking tapping type noise then once everything is nice and warm everything expands and seals so the tapping is no longer heard
  21. R

    rough idle/vibration

    Is it with the AC on only or on or off it kinda sounds what your describing like the AC compressor engaging but thats not normal you may have a AC COMPRESSOR starting to fail and or seize up causing the idle drop and at 1800 rpm at 70 mph
  22. R

    Tranny Fluid Change?

    If you maintain regular routine services up to date those issues for the most part do not surface also if theres no symptoms for the most part dont surface either... but if in your case of never doing it till theres a problem then most of the time they will suface but why change the engine oil...
  23. R

    07 Yukon error code P0455 coming back after replacing vent valve

    Is he commanding the vent valve shut when performing the smoke test if not smoke will leak all day long if not commanded shut when doing smoke test also might want to try the purge control solenoid to see if the fuel tank pressure sensor drops to a negative reading and holds once purge valve is...
  24. R

    No power windows working all fuses are ok. What is the next troubleshooting step.

    What year.. sub.. tahoe... ???
  25. R

    Noisy IAC, No start; fuel, IAC, or?

    One quick way is when it starts acting up see if you can smake it with a hammer as someone is turning the key over in the start position.. and since it was replaced about a year ago make sure thr connections at the starter are also nice and tight

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