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txab last won the day on September 15 2017

txab had the most liked content!

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About txab

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    Your worst fWONking nightmare
  • Birthday November 3

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    2004 GMC Sierra

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  1. Battery life

    Have it load tested for starters.....................
  2. Weird heater issue

    Sounds like actuator issues. You've got 4 of them. *Thanks Swathdiver* No heat from any vent until you cycle off/on? Does the passenger side get warm, but drivers side stays cold? If so, the culprit actuator is on the passenger side above the trans tunnel. Fairly easy to replace. Several threads cover it. Also many Youtube videos as well
  3. Gas tank ran empty at 1/4 tank?

    You can try using Chevron Techron Fuel System cleaner, use a double dose to start. See what happens. You may need to try another tank doctored with Techron. It works in some cases. Hopefully it will clear up, but if not, then you're replacing the sending unit
  4. A little too deep......
  5. ^^^^^ This and you might look into running a different brand of oil or trying 10w-40
  6. Did you not look up how much a total fill of the transmission would take? 12 qts. So really more than 12 qts would be good to have on hand since you're actually going to pump out/remove some fresh fluid in the process getting "all of the old" changed out If you plann to change out all the fluid this is one thing to look into prior to starting. Not scolding you, just making the point for the next guy.
  7. 2005 Chevy Tahoe V8 4x4

    Any chance you've got auto climate control? Try it one more time. This time for longer period. Remove both cables at battery and touch them together. Reinstall and key on....... With acc your fan speed should change and airflow should be re-directed from vents if the calibration is going correctly. You may have a bad head unit or need to have it scanned for codes or recalibrated using a scan tool
  8. 2005 Chevy Tahoe V8 4x4

    Then do the battery method. Turn the key and wait. All the actuators will be moving. Air output locations at dash will change as it works to recalibrate. This may not be the issue, but worth a try
  9. 2005 Chevy Tahoe V8 4x4

    Have you disconnected the battery for a bit then re-connected to force a re-learn? Or try this: Remove the HVAC/ECAS fuse for a minimum of 10 seconds. Re-install the HVAC/ECAS fuse Turn key on, but do not start. Make no adjustments to HVAC controls at this time Wait 40 seconds for the HVAC control module and actuators to re-calibrate. I've always had the best luck at this point by turning key off. Removing key and closing the door. (Signals the BCM of a completed driving cycle)
  10. Did you ever consider it is the idler pulley? Sounds like bearing chatter from where I sit. Remove the belt and run it
  11. Proportioning valve. Never proposition a valve. Free bump for ya

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