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  1. T

    Dorman vs. OEM GM coolant "T's"

    I've seen lots of pictures and write ups on these fitting failures. My question: is it the quick connect fitting that is attaches to the Tee mostly failing? That is what I've seen in a great majority of posts? Anyone ever had the Tee itself break?
  2. T

    Lifted/leveled Reverse it?

    Replacing the blown air shocks should lift the rear an inch or two. Just did replacement myself with the rebuilt Arnott"s
  3. T

    AFM delete

    If you do the AFM delete cam and lifters route. Can you simply run the RANGE plug in device, or do you need to tune it out?
  4. T

    6L80E Trans Cooler Question

    The thermostat valves on the transmission only bypass the cooler until the fluid warms up. It does not impact flow to the cooler when its needed.
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    TPMS problem

    Since it is both fronts they may have just lost calibration. Try to re calibrate first. It has happened to my rig before.
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    Time to change Ball Joints

    I decided to go with ACDelco Professional series ball joints and upper arms. The price on Amazon was the best around. Still looking for upper arm bolts just in case, but living in the third world country of Canada nobody but the dealer seems to carry them.:(
  7. T

    Time to change Ball Joints

    I need to change out lower ball joints at 150k on my 2012 LTZ. I have narrowed it down to either Moog, or ACDelco Professional series. Amazon has best prices from what I see. I plan to change the upper control arm assembly while I have it apart. Anything else to change while in there? Does...
  8. T

    Battery Acts Dead but tests Good

    I believe some years had an issue with the cables and grounds. They looked clean on the outside, but if you cut open the terminal where the wire goes into the battery connector, there is corrosion. The voltage reads fine , but it limits the current. That when things start to not function properly.
  9. T

    Hot 4wd selector knob revs jumping around

    The shift knob on my 2012 also get quite warm, but everything function normal.
  10. T

    VXDIAG as Tech2 successor

    I just purchased the VXDIAG for GM and played around with it on my 2012 Tahoe. I tried it using the GDS2, but it does not list GM full size trucks. I chose the Colarado and was able to pull fault codes. Then i tried the Tech2win, but it would not connect, and asked to connect a Candi module. I...
  11. T

    Alternator dies, now multpile systems down (BCM?)

    Just a thought, but likely not the problem. Could it be the notorious bad battery ground? Try wiggling the cables from the battery to see if you hear anything clicking on.
  12. T

    2012 Tahoe with "service suspension System" on display

    I'm guessing something got shorted. It was quite slushy on the roads and a lot of build up under truck. Thanks for the help.
  13. T

    2012 Tahoe with "service suspension System" on display

    I found the 30A Stability control fuse #2 blown. I swapped it out, so far error message is gone. If it does it again will have to do further digging.
  14. T

    2012 Tahoe with "service suspension System" on display

    I tried to clear the codes but no luck. Its giving me an error that it can't connect to modules. Would removing the battery cables and touching them together clear them? or would that create other issues. I looked at the wiring schematics from Alldata and the Trailer brake and Suspension...
  15. T

    2012 Tahoe with "service suspension System" on display

    Remote start is working and have not noticed anything other than the air pump for suspension not working.
  16. T

    2012 Tahoe with "service suspension System" on display

    Service suspension code came up on the DIC after driving in the snow for the day. I retrieved the following codes. U0214 Lost communication with Remote function Actuation U0122 Lost communication with Dynamic Control Module U0137 Lost communication with Trailer Brake Module It appears from...
  17. T

    Range disable

    I use one on my 2012 with no issues. Just make sure it has the latest version, so if you switch to 14+ model it will still work. Some of the earlier version had glitches when used on 14+ vehicles
  18. T

    Oil And Transmission lines leaking

    The oil cooler and transmission cooler lines on my 2012 are starting to leak. Is there any difference in quality between GM lines and Dorman line sets? I was hoping that my GM Total Plus extended warranty would cover it, but they only cover if it completely fails and leaves you broken down. I...
  19. T

    Happy to change 8 spark plugs, Sad to break AC pipe

    Luckily its not a refrigerant line. Based on the quick connect I would guess its a coolant line.
  20. T

    FM stations reception loss.

    On a few occasions the FM station will not receive. Its like the antenna is gone. I can hear AM but no FM. If I turn key off and restart it works fine. Anyone ever experience this before? Wondering if its something in the Nav/head unit or antenna circuit. Vehicle is 2012 Tahoe LTZ.
  21. T

    New Tahoe owner

    Hi All, I will be picking up my new to me 2012 Tahoe LTZ today. It has 120k KM's so I purchased the GM Total warranty package for two years just in case. I had a 2016 Yukon as a rental in the summer, and after that it was difficult to enjoy my 2013 Sorento.

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