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  1. Fireman591

    Magnaflow muffler upgrade on 2021 Tahoe with 5.3

    Well I finally pulled the trigger on my 5.3 2021 Tahoe for a muffler upgrade. I cut out the stock BBQ grill sized muffler and welded in a 18 inch MagnaFlow Performance Muffler model 12259. I left the flapper and resonator. The sound is just a tad louder but the sound is much deeper than the...
  2. Fireman591

    Bay City MI to Calhoun GA on one tank of diesel

    Dang I love this Suburban. We had a head wind all the wat down and set the cruise in the 72-74 range most of this leg. One of these trips i will get a tail wind and average well into the 30's.
  3. Fireman591

    Alexa app now available for 2022's?

    I got a email today from Onstar stating that the Alexa app was now available for our 2022 Suburban. I went into the vehicle and made sure all the updates were done along with the Play store updated. Still no Alexa app even though the vehicle states everything is up to date. Anyone else get this...
  4. Fireman591

    Adding another set of wheels with tires? TPMS question

    Quick question for folks running multiple sets of wheels and tires. I am going to leave my snow tires on my 20 inch rims once I wear down the stock all season tires. I will then purchase a separate set of 22" wheels with all season tires to use for the warmer months in Michigan. That way I don't...
  5. Fireman591

    DEF usage question

    Hello everyone with the 3.0 Duramax. I have a 2022 Suburban with the Duramax. I just hit 3500 miles on the odometer and still have 3/4 of a tank of DEF. It came with a full tank of DEF when we bought it new in late March. Just wondering if this is normal. We don't do a ton of towing and most of...
  6. Fireman591

    Stiff Husky and weather Tech liners solved

    If you happen to live in an area with minimal sunshine and have no ability to warm up your liners so they will lay down the right way once installed try this. Cut a circle on one side of the box then an exhaust hole on the opposite end of the box. Install a blow dryer and run it for 10 minutes...
  7. Fireman591

    GM Maps+ question?

    Well after the latest over the air update on our 2021 Tahoe a GM Maps+ app popped up as an app to download. We currently have an Onstar plan and unlimited data so I know we can use it. Just wondering if anyone here is using it and what their thoughts are with this new app?
  8. Fireman591

    TPW delays?

    How many of you folks have had your TPWs (target production week) pushed back? I just got an email from our dealership that our TPW got pushed back from Feb 21st to March 7th. I ordered this Suburban in October. I am getting ready to pull the plug on this order because anymore delays will most...
  9. Fireman591

    Fixed center console question for 2022 owners

    Quick question for 2022 Tahoe and Suburban owners with the fixed center console (non sliding). Are there any USB, USB-C or SD card slot inside the center console like the 2021s had? Thanks ahead of time
  10. Fireman591

    It's about time someone called out GM on this issue!!!!!

    FINALLY!!!!!!! Hopefully during the discovery phase it will be shared how widespread this issue is with the 5.3 and 6.2 V8 engines. https://gmauthority.com/blog/2021/12/general-motors-v8-engine-valve-lifter-lawsuit-claims-recall-is-needed/
  11. Fireman591

    Alexa in the 2022's?

    Quick question for 2022 Tahoe, Yukon or Escalade owners. Do the 2022's still have Alexa built in via an app? I know the 2022's switched over to Google stuff but wondering if the Alexa app is still available and if the push too talk button on the steering wheel still activates it. We love it on...
  12. Fireman591

    The 3.0 diesel is back in production

    https://gmauthority.com/blog/2021/11/silverado-sierra-with-3-0l-duramax-diesel-lm2-engine-back-in-production/
  13. Fireman591

    here we go again with another recall

    This will be fuel pump control module number three for me. GM's quality is a joke. It is all about profit these days instead of demanding quality parts from their suppliers. So sad!!!!!!! https://gmauthority.com/blog/2021/09/full-size-gm-suvs-recalled-due-to-possibility-of-fuel-pump-failure/
  14. Fireman591

    GM better come up with something better than their current engine lineups

    I wonder what GM is going too do in the future too compete with Toyota. On September 19th Toyota introduced the new engines that will be in the new Tundra and most likely the newly redesigned 2023 Toyota Sequoia that gets introduced later this year. Toyota is going away from V8 engines and are...
  15. Fireman591

    Sounds like the diesel option will be tough to get for some time :(

    https://gmauthority.com/blog/2021/09/3-0l-lm2-gm-duramax-diesel-engine-production-halted-through-2021/
  16. Fireman591

    Lemon Law Settlement Reached With Our 2021 Tahoe

    LEMON LAW SETTLEMENT REACHED!!!!! Well today was a big day. Our lawyers reached an agreement with GM regarding our lemon law case against GM. As you know in Michigan if a vehicle is out of service for repairs for 30 days or more in the first year from the purchase date you have a claim. That...
  17. Fireman591

    Nasty looking oil after 5200 miles of driving

    Well today I did my second oil change. The first one was done at the dealership at 800 miles due to possible fuel contamination in the oil. When draining the oil today with 6000 on the odometer it was black and looked like oil would in a diesel or a 20k oil change interval. I pulled a sample and...
  18. Fireman591

    Rear bumper lower trim piece?

    Does anyone know if the lower (unpainted) trim piece on the rear bumper is interchangeable between trim packages. I have a 2021 LT and would like to add the trim piece from a premier or high country to gain the cut outs for dual exhaust. My plan is to remove the stock muffler and replace it with...
  19. Fireman591

    3000 mile round trip to Florida and the engine held up

    Well we rolled the dice and decided to take our Tahoe to Florida. Since it was just my wife and I we decided if we blow and engine we blow an engine. The vehicle did great and averaged around 20 mpg going an average speed of 75 mph when moving. we also had plenty of stop and go traffic coming...
  20. Fireman591

    System update question?

    Anyone out there do a system update yet? Mine just popped up on the screen when I got home from a 100 mile road trip. It says it will take an hour so I will put a trickle charger on the battery just in case it takes longer. I don't want to run my battery down during an update. Just wondering if...
  21. Fireman591

    Looks like another recall is heading our way

    https://gmauthority.com/blog/2021/02/chevy-tahoe-gmc-yukon-recalled-over-fuel-tank-leak/
  22. Fireman591

    Vehicle build sheet

    Anyone on here have the ability to pull up a build sheet for our 2021 Tahoe. Gotta see if our Tahoe is a ticking time bomb with the valve spring issue. Let me know and I will PM you the vin
  23. Fireman591

    5.3 V8 valve spring issues?

    Anyone out there have an issue with their 5.3 V8 breaking a valve spring? There is a TSB out on it and I have been on many of the other GM forums. It seems like the problem is overwhelmingly with the 6.2 V8 but there are still a handful of 5.3s with broken valve springs. Just wondering how the...
  24. Fireman591

    Check Your Engine Oil Level!!!!!

    A few days ago I checked the oil level on our Tahoe with the 5.3 and discovered it is overfilled. I don't know if it left the factory this way or if I am getting fuel contamination into my oil. TSB 10179642 talks about this and a major cause is short trips. Since this is my wife's Tahoe it does...
  25. Fireman591

    New Yukon diesel pricing

    The GMC website just updated and now allows you to select the diesel engine option. It is a cheap option for the lower trims and costs less than the 6.2 for the Denali trim. I just hope when I order my 2023 Yukon XL to replace our Honda Pilot adaptive cruise control is available with the lower...

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