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tbarn

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Everything posted by tbarn

  1. tbarn
    There is no "NAV" unit or head unit. You have a radio (with sirius/xm if equipped), Onstar module, Human machine interface module (HMI) and a display module. It seems from your description that they replaced the display module. It's only function for entertainment is to display information and be a touch screen. NAV system is done with the HMI module. Presets are stored in the radio module.
  2. tbarn
    Doesn't make too much difference but Powertrain warranty ends at 60k or 100k. Can't remember what year it changed. 60k on newer vehicles. Also it is not up to the dealer to "goodwill" warranty. Dealer sends an estimate to GM or uses a guide provided by GM . Either way it is up to GM.
  3. tbarn
    Absolutely. Can't hurt to ask. They do "goodwill" frequently.
  4. tbarn
    AM/FM and XM signals have connectors also under defrost vent panel and possibly behind right "A" pillar. The large black connector on the onstar module is not used.
  5. tbarn
    routing.pdf
  6. tbarn
    The cables go from the Onstar module to the splitter. The splitter is under the defrost vent right of center. antenna.pdf
  7. tbarn
    GM part number 26001594. This is the high pressure line on pump.
  8. tbarn
    Older tie rod ends had a flap for lack of a better term. Most tie rod ends used in the last 20 years or so use a sealed boot. Once overfilled they split and will let water in. The older ones were lubed as Grumpy says. You DO NOT want to grease until you see grease come out on the newer ones. As long as the boots are "puffy" leave them alone.
  9. tbarn
    USA. Maybe it's a regional thing. Or big dealer thing. Worked in dealerships for 36 years (tech) an had many discussions with salesmen and finance guys. Gap insurance never came up in a discussion of a "purchase". Do what makes you comfortable though.
  10. tbarn
    Wow. Have bought many new cars/trucks and have never heard of or been offered gap insurance except the one car I leased. Sounds like insurance for insurance to me. No thanks.
  11. tbarn
    If GM doesn't cover it, the dealer can't do it for free. Powertrain coverage is meant for mechanical failures, clutches. pumps, leaks, pistons. bearings, etc. Programming is not covered.
  12. tbarn
    Those are not bad gas codes. Electrical issue with the purge system.
  13. tbarn
    Injectors are not powered by PCM. Check "Inj B" 15a in the underhood electrical center. Power for injectors 2 and 4 are wired together, 6 and 8 together but all four are on the same fuse. PCM does the ground side of all injectors individually.
  14. tbarn
    Was the diff tipped to align the drive shaft, or any other reason?
  15. tbarn
    pm me your vin. I can run it to see if there is a warranty block.
  16. tbarn
    It's part of the fuel pump assembly.
  17. tbarn
    Only GM Techline can help with that.
  18. tbarn
    If there is no refrigerant left, change the condenser and take it to a shop and have them charge it. The dealer can't "extend the policy" but they can run an estimate for goodwill help. They will have to do the work and discount a percentage or dollar amount.
  19. tbarn
    What might that "right direction" be?
  20. tbarn
    I've had mine through 2 winters. Each fall I take a few minutes and put some 3m protective film over the illuminated panel. Pull it off in the spring. Still look like new.
  21. tbarn
    Were they purchased as a GM accessory kit? If so, the kit should have come with an activation code.
  22. tbarn
    Helm Inc
  23. tbarn
    You need to lower the headliner and remove 4 bolts and 8 nuts then release 2 or maybe 4 plastic retainers. Disconnect electrical connectors and remove the assembly.
  24. tbarn
    Let me see, you have a 6 year old truck, 100k miles, turn the key on and everything seems fine. Turn it further to start position and it does not crank. Nah, couldn't be the starter. Must be an led bulb or a bcm or fuel pump/ chassis control module or battery cables or a wire buried deep in a harness somewhere God knows where. Do ya think maybe you're overthinking it a little bit?
  25. tbarn
    Put a starter in it.

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