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  1. G

    Help diagnosing two issues 1) misfiring/stumbling 2) coolant loss

    The P0442 could be the vent solenoid by the gas tank. I took mine apart and rinsed it out about 10 years ago. Still working.
  2. G

    Help diagnosing two issues 1) misfiring/stumbling 2) coolant loss

    I've run into each of these; most when vacationing in warmer climates, and no codes were present. In short: Overheating and hot stumbling was caused by a weak fan clutch. The added heat caused the crank sensor to act up. Sadly, the clutch replacements bought at auto stores were stiff and...
  3. G

    Electrical issues

    Your going to have to do some parasitic drain testing as often as needed to catch the culprit since it appears to be a sporadic problem. There are many good YouTube videos showing various procedures. There's just too many modules and means that are known to kill a the battery on these trucks...
  4. G

    Thump Front Drivers side

    Check the torsion bar support member that runs under the seats. It floats on rubber mounts at the frame rails and will clunk at slow speeds.
  5. G

    NEED HELP P0135 CODE

    Best cheap setup IMO is a ELM knockoff (Bluetooth or Wifi) from Amazon (under $20) and Torque app for Android. I went with wifi to use with laptop as well. The live data on O2 sensors and fuel trim is well worth it.
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    HELP! All my interior dash lights have gone out, any ideas?

    What truck and year do you have? On mine it would be fuse 14 (10 amp) in the side fuse box under the drivers door pillar. Also check the dimmer wheel near the light switch over your left knee.
  7. G

    2000 Tahoe Z71 OBS AC issue

    Yes. There are typically 3 doors in the front not counting whatever they put in for DUAL Climate Control (His&Hers). A Temperature door to blend hot air from heater core and cool air from the evaporator. A directional door that swings from dash vents to floor vents to defroster vents...
  8. G

    2000 NBS tahoe A/C different?

    If the compressor is physically the same you will be fine. Use the orifice and accumulator for your year. Don't scrimp on flushing the lines and stuff. The rear air may use a TX valve like the '02 and, unlike the front orifice, does not have a screen protecting it. See if you can get air...
  9. G

    coolant level sensor

    Mine was just a magnetic switch that was tripped by a float sealed in the container. When I had to replace mine, the Pick-a-Part replacement I found did not have the switch so I jumpered the plug to get rid of the dash nag.
  10. G

    2000 Tahoe Z71 OBS AC issue

    Front Hot / Cold blend door actuator or dirty front freon orifice would be my bet. If the compressors cycles constantly you could just be too low or hi on freon.
  11. G

    Battery Draw Help!

    Maybe the rear bass amplifier is wired on. I recall Circuit City had issue with it when they wired my head unit. I think they wired the amp's trigger line to the radios power antenna lead to get it working right.
  12. G

    Headlights

    That would sure lead me to look at the dimmer switch in the column and the wires in there for a break.
  13. G

    Strange Popping noise when accelerating, braking and bumps?

    Next time yer under the truck grab the drivers torsion bar at the back and jerk it up and down. Possibly an overlooked bushing there. Good luck. Chasing noises is the worst way to kill time.
  14. G

    Big lot of Tahoe items! MUST GO 2-way ADVANCED REMOTE

    Are the rear shocks still available? Are they the Sachs/Nivomats? If they are and they fit '02 I'll take.
  15. G

    Having problems with my Rear HVAC

    Um.. whats it doing / not doing?
  16. G

    Tune-Up Items for a 2000 Yukon?

    Now give him page 2 :)
  17. G

    Dome light help

    Aren't domes controlled by the BCM for the delay on exit feature? Many alarms are tied into the dome circuit. Maybe a bad splice came apart.
  18. G

    Intake Manifold Question?

    IRC the rapid light is limp mode. The rest sounds like what I had with a bad intake gasket. Have the trouble codes read and it will prolly have misfire and lean condition. Use the Fel-Pro problem solver blue gaskets if you do them and check the knock sensors while the intake is off.
  19. G

    Truck Dying Help

    Yeah. bad cats will do that and so will a weak fuel pump/regulator. Get a fuel pressure gauge on a long hose and tape it to the windshield and see if pressure is normal when this happens.
  20. G

    What did you do to your NBS GMT800 Tahoe/Yukon Today?

    Today was a nice day and my front end parts were not delivered :( So, I did oil change, chassis lube and replaced the original serpentine belt. 200k on it. It was stretched 1.5 inches, light wear and I only did it cuz it started squeaking. Then I repaired headlight housing that I broke...
  21. G

    Foggy Windows - Wintertime

    Good luck with that and lets us know how it works out. When I tried it a few years ago it made the issue worse and was the devil to get off.
  22. G

    Rear wiper fix

    If you nudging it then I would suspect shaft corrosion. With wiper motor off manually pull up on the arm. There should be a small amount of easy play (1/4 inch or so). If the play feels stiff you need to disassemble the motor unit, clean and re-lube the shaft.
  23. G

    How to: Change rear wheel bearings and seals

    Troublesome trouble light Bearing breaks Cramped space Colorful metaphors... This was so much like what I go through each time I work on Fred that I had a knot on the head, 6 scraped knuckles and a sore back just from watching this. :) Thanks for the post!
  24. G

    Replacing Nivomat shocks

    It is time :emotions122: Has anyone replaced these with the Monroe (ick) or KYB units? I Googled my a$$ off and any post where someone considered it, they never posted back with reviews or experiences. I know I could do the Bilstien conversion but I don't want a harsher ride or add air...
  25. G

    Swerving/Loose steering question!

    Disconnect the EVO steering sensor at the bottom of the steering column and see if the swerving goes away. Google for more EVO info. Have the Pittman and idler arms checked. Stop flooring it and don't drive on the freeway.

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