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  1. PNWYukon

    SIAP Premature brake wear?

    Did you find the answer? Did it pulse the whole time? Even after pads and rotors? The cause of this condition may be an increased air gap between the wheel speed sensor and the hub reluctor ring due to rust and debris built up on the sensor mounting surface.
  2. PNWYukon

    Throttle fault code P2135

    The wiring connector or "pig tail" on the throttle body gives problems in the form of a poor connection.The female terminals on the pigtail corrode or pull out of the connector. Possible bare wire on pigtail shorting to ground. The top cover on the throttle body distorted preventing the gears...
  3. PNWYukon

    Hitting The Big 200,000 Mile Service

    Brake lines. Rebuild Calipers. Wheel bearings. CV axles. Flush Heater core. Sway bar links and bushings.
  4. PNWYukon

    Dying on idle.

    The fuel pressure should be steady and not bounce around at all. You should really find/buy/rent a good scan tool and monitor the live data/mode 6 data like your fuel trims, misfires, injector pressures, etc., to really see what is happening. Otherwise you may just keep chasing in circles.
  5. PNWYukon

    02 Yukon Denali PO420 Code

    What are the Possible Causes of the P0420 Code? A faulty catalytic converter is the most frequent cause of a P0420 trouble code. Common issues that can cause this OBD-II code include: A failed catalytic converter A faulty oxygen sensor Circuit problems, such as damaged wiring and loose...
  6. PNWYukon

    02 Yukon Denali PO420 Code

    I had a similar issue and it was bank 1 sensor2 O2 sensor. Truck ran poorly until that was fixed. Pulled it out and it was just blacker than night, replaced it and all was good.
  7. PNWYukon

    2002 Tahoe 5.3l flexfuel pintel caps on fuel injectors

    Forum post Quote:"I just rotated the cylinder to TDC and pulled the spark plug and got a fat straw and stuck it in my shop vac and taped up around it so all the suction was going through the straw and stuck it in the cylinder and moved it around a bunch and hoped it got it."
  8. PNWYukon

    2004 Denali XL

    Did you ever find your short?
  9. PNWYukon

    2004 Tahoe A/C high/low pressures

    A/C Refrigerant Pressure Sensor The A/C refrigerant pressure sensor is a 3-wire piezoelectric pressure transducer. A 5 volt reference, low reference, and signal circuits enable the sensor to operate. The A/C pressure signal can be between 0-5 volts . When the A/C refrigerant pressure is low, the...
  10. PNWYukon

    Transfer case squeal?

    If you had to rebuild the transmission, then you should have the transfer case rebuilt too. Whatever happened to the tranny affects the transfer case.
  11. PNWYukon

    05 Yukon Denali XL Transmission problem or brake issue?

    But it was fine before the new exhaust??? You should get a live data code reader and monitor what it is saying during these episodes.
  12. PNWYukon

    Sudden drop in rpm while driving

    Any codes?
  13. PNWYukon

    Oil Leak

    How did you determine that the oil pressure sending unit is the problem?
  14. PNWYukon

    Cigarette lighter socket issue

  15. PNWYukon

    Dying on idle.

    This is from a forum over at CarGurus: "I had the same problem of stalling with my 2003 Yukon XL 1500. Turned the vehicle on and moved the same wire bundle that runs down beside then under the power steering pump. The engine stalled when I moved the wire bundle up and down. I found a grounding...
  16. PNWYukon

    02 Tahoe LS brake line size

    You definitely need to get that fixed and should not be driving it in that condition. You will need to repair that broken line, refill the brake fluid and then bleed the brake calipers one at at time. Start at the Passenger Rear, then Driver Rear, then Passenger Front and finally Driver Front...
  17. PNWYukon

    Cigarette lighter socket issue

    Yep, AllData is well worth the $19 a year, if you are your own mechanic and like to see all the technical data about your rig. Usually, you can even find a discount code if you search around places like Retailmenot
  18. PNWYukon

    Cigarette lighter socket issue

    Use a test light or Fluke or multimeter and see if it has power at the Cig lighter connector pigtail. Check if the fuses have power when key is on. If fuses have power and endpoints do not, there must be a break in the wires. Do an OHM test on the wires to validate a broken wire. You'd have...
  19. PNWYukon

    What’s this noise?

    That's some awfully loud tapping too.
  20. PNWYukon

    What Type Of Transmission Fluid To Use

    Found this on Bob is the Oil Guy Forum: During early 2005 General Motors released a newly developed automatic transmission fluid (ATF) for the factory fill of all GM Powertrain stepped gear automatic transmissions. The new fluid provides significantly improved performance in terms of friction...
  21. PNWYukon

    Mstr Cyl/brake ??(wearing stupid hat)

    Pads, Rotors, check calipers and pistons and seals, fix all leaks at each caliper, then bleed each caliper starting at passenger rear, driver rear, passenger front and driver front. If the lines are leaking then replace soft lines. Brakes are too important.
  22. PNWYukon

    Noise comeing from back passenger panel

    Yep, I have an 05 Tahoe and that panel is filled with a blower, AC, blend door, actuator and more. It is not easy to get into without breaking tabs. You have to remove the pillar covers too.
  23. PNWYukon

    AC leak test options?

    Yes, it has been depressurized for some time. No doubt that it is contaminated. I was hoping it was a simple find and fix, I definitely don't want to shoot the parts cannon at it. It was checked out by the "AC man" recharged and worked for about a month, then lost all the charge "somewhere"...
  24. PNWYukon

    Alarm not working after door panel swap

    Park the Denali and 2500 driver door to driver door and see if that makes a difference. May be that there is a proximity sensor attached to the module that talks to the original rig? Just guessing of course.
  25. PNWYukon

    2005 Suburban rear hatch supports

    I ordered the first design from RockAuto, for my 2005 Tahoe. They work well. It is so easy to close the hatch now, I have to be careful not to slam it every time. Now I open it about chest high and it takes over. I must have had originals on it, because it was a PITA. SACHS SG230138 (Standard...

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