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  1. zbad55

    BREAKING: GM is officially recalling the L87

    Here we go again with NHTSA, maybe expanding the recall https://www.reuters.com/business/autos-transportation/nhtsa-open-probe-into-286000-gm-vehicles-over-possible-engine-failure-issue-2025-10-27/
  2. zbad55

    Super cruise not working

    Not really a quick fix, sounds like a problem that I had with my 23 Yukon, the mapping module is probably dead or going dead. Same message I was getting, you need to take it to the dealer and have it diagnosed.
  3. zbad55

    BREAKING: GM is officially recalling the L87

    The issues with the incorrectly machined crankshafts has been corrected for the late 24 models and for 25 models. There has not been any indication of engine failures.
  4. zbad55

    BREAKING: GM is officially recalling the L87

    For me I will stick with the 8 quarts that are recommended, but I have to add that I have never checked the oil right after a startup. I have always checked the oil when the vehicle was cold to get the most accurate reading. And for information only, as far as the plant goes there are part...
  5. zbad55

    BREAKING: GM is officially recalling the L87

    I had a 2023 Denali Ultimate and felt the same way you feel, wasn't interested in rolling the dice every time I went on a trip. After speaking with some GM power train engineers I worked with I felt the best thing to hope for was a new engine. That would be a inconvenience for sure but the best...
  6. zbad55

    BREAKING: GM is officially recalling the L87

    It seems that GM is really thinking that just by changing the oil to a higher viscosity is going to fix a badly machined crank shaft and will hold up until the warranty has expired. I know from what we read on here is a small sample size but it sure seems like everyone that has had the test...
  7. zbad55

    Question about supercruise

    When I bought my Denali Ultimate it had a charge of I think $1500 which is for the 3 year On-Star and SC package, didn't have a choice in it. So I would look at your window sticker also and see if that is listed or not. Did you buy this used or brand new? If you purchased it used then you may...
  8. zbad55

    BREAKING: GM is officially recalling the L87

    Just keep in mind that you are really not getting a full 10yr/150K warranty, it's back dated to your original in-service date.
  9. zbad55

    BREAKING: GM is officially recalling the L87

    I think the best outcome for this recall is failing the test and getting a new engine without the crank shaft issues. With that a new 5 year 60,000 warranty on the complete engine and a little more piece of mind. Only time will tell if just changing the engine oil is the panacea GM makes it out...
  10. zbad55

    Is the Ultimate Worth It?

    Nice looking vehicle, congrats, just a word of caution though I had a 23 Ultimate and hated the wheels so I bought some after market wheels that I liked. Just recently traded it in for a Escalade Sport Platinum but the dealer who gave me a good trade in value insisted that I put the stock wheels...
  11. zbad55

    BREAKING: GM is officially recalling the L87

    I'm not questioning some of your knowledge or your work history, just some of the statements regarding this issue. And as for being retired it was just recent so not 5 or 10 years ago so I know what goes on at GM and I worked on all major truck programs starting with the GMT800. Is everything...
  12. zbad55

    BREAKING: GM is officially recalling the L87

    I'm not sure where you get your information from but a lot of it is really not true and just conjecture. As someone who worked for GM for 30 years to think that they spec something that does not work is way off base. As I posted before what the problem was and why the recall happened we would...
  13. zbad55

    BREAKING: GM is officially recalling the L87

    For one is the variable displacement oil pump, these engines and components are designed based on the oil which is 0-20W and not 0-40W and there could/may be long term issues with the higher viscosity oil. As for what could/may happen is not known for sure at this point in the recall and too...
  14. zbad55

    BREAKING: GM is officially recalling the L87

    Don't be misled by the new 10 year warranty, keep in mind that this is from the original "In-Service: date. For some 2022 models they could have a 2021 in-service date so the extended warranty may only be good for another 5 or 6 years not 10 years. Just another way for GM to minimize their...
  15. zbad55

    BREAKING: GM is officially recalling the L87

    This is really not true, GM still does the forging and mfg. of the crank in the US but sent the cranks to Mexico for all the machining. This is where all the problems started with our bad crankshafts and the subsequent recall. Mexico did not have the knowledge or quality control on this critical...
  16. zbad55

    BREAKING: GM is officially recalling the L87

    Thanks for the reply's, it seems my closest dealer is just guessing at the time, glad I now know the labor time from GM,
  17. zbad55

    BREAKING: GM is officially recalling the L87

    For those that have been to dealer for the test how long was the vehicle at the dealership. I still haven't received my 2nd letter yet but had to stop by the dealer for another issue, ask the SA some questions and about how they needed the vehicle. He indicated that it was taking 2 to 3 days for...
  18. zbad55

    BREAKING: GM is officially recalling the L87

    OK I get that the offer was inline with the going price but I was really not looking to trade it in, if I was ready to sell I would have taken the offer. I wanted to find out what this dealer was going to say about the recall as he mentioned it on the phone before I came to see them. And as a...
  19. zbad55

    BREAKING: GM is officially recalling the L87

    Just confirmed how this recall affects the value of my Denali, went to a Cadillac dealer to inquire on a 2025 Sport Platinum. Asked for a trade in value on my 2023 Yukon Ultimate with only 20,000 miles and they came back with a price of $69,000. They also showed a Carvana estimate of $62,000 for...
  20. zbad55

    BREAKING: GM is officially recalling the L87

    "When it comes to determining whether an engine replacement is or isn’t needed, a Cadillac tech will perform an inspection and verify the serial number on the left-hand cylinder head. This information is used to determine the build date of the engine. Replacement is mandatory for all engines...
  21. zbad55

    BREAKING: GM is officially recalling the L87

    Has anyone come to the conclusion that they are hoping for a failed test so you can receive a new engine. I'm still struggling with the fact that a pass will mean you still have an engine with an incorrect machined crank shaft. I know that GM has decided that 0-40W will fill the gaps on the...
  22. zbad55

    BREAKING: GM is officially recalling the L87

    Well just received the letter today from GM on the recall, what is interesting though is apparently they will be sending a second letter. It states that as soon as parts are available they will send another letter to then make an appointment with my dealer for the inspection.
  23. zbad55

    Best Floor Mats

    For my Denali I bought the GMC mats and they are really good, look like the WT's but have the logo on them. I used the points from GMC to lower the cost though
  24. zbad55

    NHTSA opens preliminary probe into more than 870,000 GM vehicles

    Good, it's about time. Too many of these are happening to people, my nephew bought his 2023 Escalade $130,000 and 6 months later blew the engine. It took over 2 months to get the vehicle back with a new engine replacment
  25. zbad55

    TPMS Issues

    Just to update the thread, replaced the sensor that would not read and everything is working so far. One thing I learned that I didn't know which was causing the confusion is that if you put the system in learning mode and try to reset the TPMS system with a tool and one or more sensors will not...

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