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  1. 9

    2019 Expy AC fan briefly surges during acceleration; Fixed-loose turbo inlet pipe

    There was probably a vacuum check valve in the vacuum supply that was damaged or disconnected during the work. OR - an IWE vacuum line damaged or left disconnected. The vacuum check valve prevents a momentary loss of vacuum to the HVAC system. A leaking IWE vacuum line will cause vacuum drop...
  2. 9

    Start with foot on brake

    I don’t have an answer - but I’m curious. Why would you want to defeat this safety interlock system for starting the engine?
  3. 9

    Why won't it start.

    You have a bad battery, probably with one or more bad cells.
  4. 9

    roaring noise

    Does the engine have electric radiator cooling fans, or does it have a belt driven cooling fan with a coupling that engages with speed? The mechanical fan coupling can fail and cause a roaring noise.
  5. 9

    Thumping sound

    One of the rear HVAC actuators is probably defective. The thumping noise is from it repeatedly trying to adjust.
  6. 9

    bike rack vs backup proximity alarm

  7. 9

    Door speaker rattle

    I vaguely remember a post on this forum with the same complaint - but I think it was a 4th generation model. The solution was to add some foam padding under the door panel (or radio grille?) which stopped the vibration and rattle. Perhaps return it to the dealer for diagnosis and repair under...
  8. 9

    Getting ready to replace pads

    Your original equipment Motorcraft brake pads lasted 100,000 miles - with some wear left. You are asking for a recommendation for brake pads. I think you answered your own question.
  9. 9

    What Does Everyone Think About This

    The class action suit against GM involving collection of data is proceeding, after an important court ruling: https://gmauthority.com/blog/2026/05/gm-onstar-lawsuit-to-continue-in-court/
  10. 9

    Dash Fan Setting 1+2 not working

    I’d suspect the HVAC speed control (resistor unit) that fastens to the lower HVAC case, under the glovebox area. Check the wiring connector for a tight and clean connection, with no signs of charing. If the wiring and connector is good, you could replace the fan speed control unit (which...
  11. 9

    What Does Everyone Think About This

    I didn’t watch the video. GM also had problems with the data they were collecting and selling through OnStar: https://gmauthority.com/blog/2026/01/ftc-says-gm-and-onstar-were-watching-and-selling-your-every-move/ It seems to me that the issue would be simple for the courts and the NHTSA - I...
  12. 9

    Cruise engages on it's own

    And from a new member…..
  13. 9

    RECALL #26C10 TRAILER MODULE REPROGRAMMING

    Some of the new Expeditions on the lot may be under a stop-sale order, waiting for recalls to be fixed.
  14. 9

    Remove 2024 Reverse Bulb

    A little off topic - but I recently replaced the right, outboard tailamp assembly on my wife’s 2014 Impala 2LTZ (new model) because it had water in the lens (no accident). The new GM assembly listed for $399, but I was able to buy it at 10% over dealer cost as a friend works as a parts manager...
  15. 9

    Spark Plugs

    My first car at age 16 was a 1965 Chevrolet Chevelle 2-door with the straight six-cylinder engine and the “three on the tree” manual shift transmission. My first job at age 15 was working in a Texaco “filling station”. We sold regular and high-test gasoline. We did sell mostly 30-weight oil...
  16. 9

    Spark Plugs

    You must not be old enough to remember changing spark plugs every 8 -12 thousand miles, along with the distributor cap, points, condenser and rotor. Wires every other spark plug change. Small, inline fuel filter and PCV valve at every spark plug change. The one large ignition coil then seemed...
  17. 9

    Dashboard airflow

    Were any of the replies of any help?
  18. 9

    Battery goes completely dead in 2017 Expy overnight once a while

    What could be wrong with a five-year old battery?
  19. 9

    Black background

    At the bottom left of the forum page, there is a tiny icon (a paintbrush?) that if you click on it, you change the forum background to white (“light style”). If you log-in, you can click on this icon and set it as a default for when you login. I hate the black background and wonder why the...
  20. 9

    Battery goes completely dead in 2017 Expy overnight once a while

    You have a bad battery.
  21. 9

    New Here. 2005 Ford Expedition XLT.

    Welcome. There are some very helpful and knowledgeable members here. If you have any issues or questions - ask away.
  22. 9

    Spark Plugs

    My two cents…. I always believe you can’t go wrong with the OEM recommended spark plug (and other maintenance stuff). Spark plug usage are like engine oil filter usage - there are a many opinions. OEM maintenance parts fit and function properly.
  23. 9

    Adjustable Rear Hatch Height?

    Check your vehicle owner’s manual - it is also available online.
  24. 9

    Wiper Blades

    I purchased a new 2024 Tahoe Premier and the front wiper blades have a little push button on them for removal. I recently replaced them, using OEM GM blades. Are you having problems removing the existing blades?
  25. 9

    BLIS Calibration Reprogramming using OBD

    Is your insurance paying, or the at-fault person’s insurance, or you (out-of-pocket)?

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