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  1. PNWYukon

    Battery gauge riding at almost 19v

    Still no change from a steady state. Pretty odd, but has not moved a stitch from normal since reseating the connectors. Anomaly? Who knows. Maybe a good practice is whenever you are messing around under the hood or dash, to reseat any harness/connector plugs? People swear by products like...
  2. PNWYukon

    Rattling / Resonance from RR under light throttle

    If you have the original muffler, check the heat shield on top of if. Mine made similar noise because the shield was torn from welds at both ends.
  3. PNWYukon

    Steering Components

    Mevotech seems to make good parts. I would stick with OEM, unless you are doing a full suspension upgrade. Be careful with MOOG. Mevotech suspension parts are made in Canada, whereas Moog’s parts are manufactured across the world.
  4. PNWYukon

    Which engine oil do you use?

    Full Synthetic. Valvoline High Mileage, usually.
  5. PNWYukon

    Blue smoke on cold start and excessive oil consumption 2005 Tahoe

    Read over here: https://bobistheoilguy.com/forums/threads/gm-ls-engine-3rd-revision-valve-cover-install.251305/
  6. PNWYukon

    Cylinder Head replacement -- recommendations

    Reman.
  7. PNWYukon

    Replaced driveshaft u joints, now leaking output seal

    Since you suspect the seal, all you can do is remove your driveshaft and check the seal. A new Timken seal is only around $20. If it was not leaking before you removed the driveshaft, then what else could have caused the leak? The u-joint should be free to move, not bound up, but if you were...
  8. PNWYukon

    MASSIVE BACKFIRE result of injector cleaning?

    CONDITIONS FOR CLEARING THE MIL/DTC The control module turns OFF the malfunction indicator lamp (MIL) after 3 consecutive ignition cycles that the diagnostic runs and does not fail. A current DTC, Last Test Failed, clears when the diagnostic runs and passes. A history DTC clears after 40...
  9. PNWYukon

    MASSIVE BACKFIRE result of injector cleaning?

    DTC P0107 CIRCUIT DESCRIPTION The manifold absolute pressure (MAP) sensor responds to pressure changes in the intake manifold. The pressure changes occur based on the engine load. The MAP sensor has the following circuits: 5-volt reference circuit Low reference circuit MAP sensor signal...
  10. PNWYukon

    Swapping Intake gaskets for a P0171 & P0174

    DTC P0171 Fuel Trim System Lean Bank 1 DTC P0174 Fuel Trim System Lean Bank 2 CONDITIONS FOR SETTING THE DTC The long term fuel trim weighted average value is more than a calibrated value for 2 seconds. Excessive resistance in the fuel injector control and/or the ignition 1 voltage circuits...
  11. PNWYukon

    Battery gauge riding at almost 19v

    Resting battery voltage is right at 12.73v according to the Fluke 77. Have not had another gauge spike since replugging the harnesses.
  12. PNWYukon

    Battery gauge riding at almost 19v

    After going in circles, it looks like it is officially called the Generator Battery Control Module by GM. We will see. The battery is not a year old, so will do some testing after it has been sitting to check resting voltage.
  13. PNWYukon

    Battery gauge riding at almost 19v

    Started it this morning after reseating the harnesses and it went back to 14.2 voltage with no variation. Battery tested at 14.5 and alternator at 14.7 while idling. Hope we don't have a gremlin in there somewhere?!
  14. PNWYukon

    Battery gauge riding at almost 19v

    The battery gauge has always been at 14 or a tick past, and suddenly today it is near redline, stayed there then, dropped a bit to say 16 or so. Any thoughts? Otherwise nothing else is crazy and everything works fine.
    • PNWYukon
    • Thread
    • battery gauge cluster voltage
    • Replies: 9
    • Forum: Interior
  15. PNWYukon

    Tahoe Thoughts

    You should do all those upgrade and more! Get a quality lift kit. Nice aftermarket fender flares. If you convert to all LED's make sure to get the proper wiring to regulate the voltage. LED's are notorious for causing electrical issues if you do not, because they draw less power and the...
  16. PNWYukon

    2006 gmc yukon xl slt frontend noise

    If it is a rotational noise then that narrows it down. Can you hear it only at 50 mph? Jack up the front and spin the tires by hand to see if you hear it? Did you use good bearings? Do the CV axles leak? Boots might be good but seals can go bad. Front shaft should not spin in 2WD.
  17. PNWYukon

    Leaking timing cover fix?

    You need to start fresh with a new oil pan gasket and new front/timing cover gasket. Make sure to use: J41476 Front and Rear Cover Alignment Tool Important: Do not reuse the crankshaft oil seal or front cover gasket. Do not apply any type of sealant to the front cover gasket, unless...
  18. PNWYukon

    Is this normal?

    Not normal! Someone else been messing around under your rig? I was going to do the oil pan gasket but I can't get it high enough without a lift to mess with it. Too tight under there and too much to remove.
  19. PNWYukon

    2005 Yukon SLT / blower speed inconsistant , etc.

    but, but we's a Certified GM STEALERSHIP!
  20. PNWYukon

    What’s this noise?

    You usually nail down that kind of ticking to manifold gasket leaks, lifters or spark plugs that are loose. Someone else on here might have another idea about your ticking. For manifold gaskets: While it is running see if the ticking is same/different on each side. That could help determine if...
  21. PNWYukon

    What’s this noise?

    How are the exhaust manifold gaskets?
  22. PNWYukon

    2005 Tahoe coolant flush impossible

    If you are wanting to flush your radiator fluid while changing your water pump, you could always get a siphon pump to make it infinitely easier that messing with that petcock. These Tahoe bays are very tight and difficult to maneuver for anyone. A million ways to slice yourself also.
  23. PNWYukon

    2005 Tahoe coolant flush impossible

    You pic didn't load. If you have the openable petcock then you are good to go. Get a 2ft piece of clear tubing from hardware store and you are on easy street.
  24. PNWYukon

    Any tips for better mpg

    The only way to get significant MPG increase is to buy a Chevy Metro and paint Denali XL on the side of it. :anitoof:
  25. PNWYukon

    Fuel Filling/EVAP issues tried everything please help

    Good job! Amazing that you kept at it and found that junk "new" part was causing you more problems.

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