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  1. PNW NBS Z71

    2020 Premier problem

    You can use low pressure air to clean those out. I believe there are drains on each side. Plus, this post should be in the 2015 to 2020 section. Maybe a mod or admin can move.
  2. PNW NBS Z71

    Hello from British Columbia.

    You should post these questions and plans in the 94-99 section for better response.
  3. PNW NBS Z71

    Hello from British Columbia.

    Welcome to the forum from Oregon. Please post pics when you can.
  4. PNW NBS Z71

    need part number for windshield washer hose

    It is part of the arm itself: 15829647 is the right side and the left side is 15829648. The GM parts are discontinued at GM but can get them at RA. https://www.rockauto.com/en/moreinfo.php?pk=7233996&jsn=735 right side. https://www.rockauto.com/en/moreinfo.php?pk=7234000&jsn=745&jsn=745 left side.
  5. PNW NBS Z71

    Starter Problem

    I cannot be for sure but it looks like the end of the wiring that goes to the oil pan oil level sensor. Where does the other end of that wire go to?
  6. PNW NBS Z71

    'Tighten Fuel Cap' creating a P0455 DTC

    The P0455 code just suggests tightening the fuel cap. It does not say it will fix it. That code is extensive and complicated. Check this out: What Does the P0455 Code Mean? Diagnostic trouble code (DTC) P0455 stands for evaporative emission system (EVAP) large leak detected. Your car’s...
  7. PNW NBS Z71

    03 Tahoe pedals don’t adjust

    The switch will feed power to the actuator motor that moves the pedal assembly. It plugs in. Back probe at the wires at the plug in when using the switch.
  8. PNW NBS Z71

    Unusual Coolant Problem

    Very clean rig. I had a 96 2 door Sport and wish I still had it. I would keep that and do the engine in the rig and upgrade a little for performance.
  9. PNW NBS Z71

    03 Tahoe pedals don’t adjust

    Need to get in there and see if the assembly has power and ground when switch is used.
  10. PNW NBS Z71

    Steering wheel DIC doesn’t work

    The electrical link is not just for loss of power. It can effect dash readouts and steering wheel controls and many other things. It is especially important if you live in the rust belt.
  11. PNW NBS Z71

    98 Tahoe no start...

    When you say "randomly won't crank over", that indicates a problem like a dead battery. If you mean the engine is spinning but will not fire off, that is a whole different problem, so you need to share the correct info. These engines are known for having the injector spiders giving problems...
  12. PNW NBS Z71

    Axle Seal and Bearing

    Sounds like the seal is installed correctly. How did you install it? Did you use a seal driver that is flat or did you tap it in with a flat punch? The seal driver is the correct way to do that. You also should make sure that the inside lip of the seal has the tension spring on the inside of the...
  13. PNW NBS Z71

    Unusual Coolant Problem

    Sure would help to know the mileage. Have you ran a compression test? Need to do that with all plugs out. My guess is seepage at the head gasket(s). Do a dry and wet compression test. My guess is that is has a very small leak at head gasket(s) and is going out the exhaust. Also, just because you...
  14. PNW NBS Z71

    Steering wheel DIC doesn’t work

    You might want to look at this: https://www.fixmyoldride.com/Chevrolet-intermittent-electrical-problem.html#at_pco=smlre-1.0&at_si=5e7e5cd24ed24635&at_ab=per-2&at_pos=3&at_tot=4
  15. PNW NBS Z71

    Tahoe Fuel lines R/R

    I see the vehicle info in your signature.
  16. PNW NBS Z71

    03 Tahoe pedals don’t adjust

    The problem can be the motor, the switch or the armature that moves the pedal assembly. That armature gets gummed up and cruddy and can cause problems with the other parts burning out. You can also look for a fuse or relay for it. Lots of relays are interchangeable and can be swapped to see if...
  17. PNW NBS Z71

    How to connect the daytime running light?

    Did you reach out to the seller and ask about this?
  18. PNW NBS Z71

    05, z71, 5.3, engine making a knocking sound

    Does the knocking sound change at all with rpm? Is it a knock sound or a tick sound. Don't forget that the exhaust manifold studs/bolts break at the ends on these engines and the exhaust leak can sound like a knock/tick.
  19. PNW NBS Z71

    2004 Tahoe A/C high/low pressures

    You also want to be sure the air flow across the condenser is clean and clear. The pressures sound fine and should be blowing cold for you. Be aware that the higher the humidity where you live, the harder the a/c system works. Desert heat of 110 degrees with very low humidity is easier on the...
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