Recent content by StephenW

  1. S

    Overheating transmission

    Pretty sure 6 speed. Not very frequently.
  2. S

    Overheating transmission

    This the superior product you referring to? https://superiortransmission.com/product/superior-stl010/
  3. S

    Overheating transmission

    Cbv?
  4. S

    Overheating transmission

    Yeah unfortunately I am not savy on the system. I would love a diagram to see how everything flows and what could be a fail point. Like - is there a TXV or thermostat that could have failed?
  5. S

    Overheating transmission

    No. Assumed dirty fluid/clogged filter.
  6. S

    Overheating transmission

    2015 -Yukon XL Denali with 190k miles. Transmission overheated 2 days ago. Changed out the fluid and filter (overdue). Nothing remarkable on the magnet or in the fluid - just dirty. Just drove it after the change out and temp was 225-250 and rising in 25 min of driving. Am I just screwed into...
  7. S

    No gps signal

    My 2015 Yukon xl Denali has no gos signal - when you go to the built in map the system does not know where it is. Anyone fix that before?
  8. S

    Issues programming new key fobs

    I am trying to program new fobs and am having an issue. I follow the steps in the manual and get to the part where the DIC says “ready to program key #”. After I push the start/stop button nothing happens. The key is not programmed. I have done this before with no issue.
  9. S

    Replacement ride height sensor

    “Service leveling system” code on dash. Replaced compressor, still in. Shop read it and saw voltage was off for one of the sensors.
  10. S

    Exhaust system rattle

    Can that valve be replaced?
  11. S

    Exhaust system rattle

    AFM is enabled. The rattle is more tied to rpm/gear selector than v4/v8 mode. But is there somewhere I can read about this valve?
  12. S

    Exhaust system rattle

    I have a 2015 Yukon XL Denali that has a rattle under the center of the vehicle. Replaced the muffler, checked all of the heat shields. Comes in and out at certain RPM’s. Shop thinks it may be the mid-exhaust flex coupling (piece circled in red) but on the Denali’s it is welded into the...
  13. S

    Replacement ride height sensor

    I have a 2015 Yukon XL Denali with stock rear air suspension. I need to replace the right rear ride height sensor - 1. Any reason to use something other than stock AC Delco parts? 2. Does it make sense to replace both left and right rear sensors at the same time? Thanks.
  14. S

    2022 Yukon Denali

    How do you install a Roku in the back?
  15. S

    2015 Yukon Denali XL Rear Shocks on backorder

    purchased Arnott Air Spring AS-3066 from autozone
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