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  1. tom3

    Hard pull to the left when braking - means what?

    From memory, been a while. I think you can easily check those slider pins buy loosening the main caliper hold down bolts a couple turns, take a 5/8" (?) wrench on the pin shoulder between the main bracket and caliper and try to turn the pins. If they won't turn they are rusted and stuck. And I...
  2. tom3

    Does a 2024 Z51 with 6.2 require premium fuel?

    I know some about modern vs vintage setups. But when I'm cruising in four banger mode up a slight rise and I feel those 4 cylinders pulling their guts out I like to know the bit extra octane is there. Can't argue with the results - so far.
  3. tom3

    Bad alternator?

    If you have a battery charger and the battery is in good shape you could probably get by for a couple days with short trips. I probably wouldn't chance it.
  4. tom3

    Does a 2024 Z51 with 6.2 require premium fuel?

    When I saw the 11 : 1 compression ratio on our 5.3 I decided to run at least mid grade fuel. When I'm around a Sam's Club I fill with premium, usually about the same price. Engine runs great and gas mileage is really impressive. But we don't put a lot of miles on it so the cost is not a big...
  5. tom3

    2017 Tahoe 6 speed - question about trans thermostat?

    The TSB calls for transmissions with RPO MYC and MYD. Might check your code list. The MYD is a 6l90.
  6. tom3

    Hard pull to the left when braking - means what?

    Those calipers have slider pins top and bottom that get rusted and freeze up pretty solid. Usually you can pull the caliper out of the mount, spray the pins with parts loosener, put some major heat on the housing, and work them loose. This is most of the reason the pads wear odd and the brakes...
  7. tom3

    2022 Tahoe Gurgling Noise Up Front (Engine?) Somewhere

    Next time you hear this try turning on the heater to full hot temperature. Maybe purge the core and stop the noise. Shouldn't take a minute to see if it works.
  8. tom3

    Can I flux core mig weld a custom exhaust?

    I'd check with a local muffler shop first. We have a couple in my area that do really good work, know what they're doing, and very reasonable in pricing. Welding thin tubing is not easy to do - even if you do have some experience. You have some really nice parts there, be a shame to mess it up...
  9. tom3

    AFM/DOD Questions

    You can go to the screen on the DIC in the middle of the gauges that shows the MPG readouts and down in the corner it will show V8 or V4 mode active. The Range plug in disabler works fine on these machines. Son had a lifter making noise, scared him, he put some Sea Foam in the engine and got the...
  10. tom3

    Free to me 1996 GMC

    Only problem with the GM rear discs is that garbage emergency brake. Here in the rust belt that almost disappears after a few years.
  11. tom3

    Is this normal for a rear diff

    Might rotate tires from front to back and see if there's a difference.
  12. tom3

    slight engine resonance through steering wheel

    Torque converter is a big job and probably require some reprogramming. ATF is automatic transmission fluid, sometimes a magic fix for even a near new transmission somehow. Dealer service might be able to adjust some internal pressures and solve this too.
  13. tom3

    slight engine resonance through steering wheel

    Can you shift this into low range which might (?) change some of the operations. See what happens with that.
  14. tom3

    Replaced steering idler arm, now steering wheel noise

    I am thinking the Column Bearing. Have you checked it? Look under the dash, and find the steering-shaft. Now grab a hold of it and push back and forth "Up/down". If there is any movement then that could be where the noise is coming from.
  15. tom3

    2006 Z71-For sale 70k miles

    On the other hand that would be a very good machine to have without all the techno garbage that's on today's SUVs. Watch for rusting brake and fuel lines. If it passes inspection and I needed a vehicle like that I'd consider something between 10 and 15K dollars.
  16. tom3

    slight engine resonance through steering wheel

    Does that model have the readout in the DIC that shows the V8 and V4 modes in use? There is some abnormal vibration when under load those 4 cylinders are struggling to pull that 3 ton machine.
  17. tom3

    Replaced steering idler arm, now steering wheel noise

    Some years back there was a TSB on the Silverados about a plastic sleeve in the steering column in the dash that was making various noises, pretty common seems like. Might search around for this deal. What year is your machine?
  18. tom3

    2015 Yukon Denali - Engine Failure - Sell or Fix?

    Where located. 9 year old SUV up here in the rust belt is probably a hard sell with a blown engine. Southern machine in nice shape would be easier to unload I think. If I were keeping it I'd look for a rebuilt or new long block motor replacement.
  19. tom3

    2016 Tahoe Trans failure

    Much the same with my son's 2017 Silverado. We thought he'd gotten a tank of bad ga and the engine was misfiring. New transmission and TC and a major "retune" of the ECM/TCM. Transmission shops are making a killing on these failures seems like. "
  20. tom3

    2021 6.2 Tahoe eats oil like crazy - is this truck getting lifter issues soon?

    Is this still under warranty? I'd get the dealer involved in this if so. Have them change the oil and document consumption. Pretty sure that's a ring problem and it will only get worse with the new style ring packages. You are running premium fuel in this?
  21. tom3

    What did you do to your NNBS GMT900 Tahoe/Yukon Today?

    Come back when you get done with this and let us know how those other bolts came out. Thinking about doing a pre-emptive strike on this too, before those rear bolts actually break. Kind of afraid to touch those bolts though.
  22. tom3

    RPO codes

    I did this on ours when new. Had to look up a couple that weren't on any of the lists. Just type GM RPO and the three letter code. https://jameshalderman.com/wp-content/uploads/2019/04/RPO_Codes.pdf
  23. tom3

    Fuel Gauge Wonky, Removed Cluster

    Son had several problems with this, finally quit all together. Sent it off to an outfit called Circuit Medics for a rebuild. Nice and bright with all new lamps and all working fine. Was right at $200 for this two years ago.
  24. tom3

    Air/hydraulic noise coming from brake pedal when being applied. This is a 2023 Yukon Denali ultimate.

    I've had a lot of old clunkers and that is usually a bad vacuum brake booster - unless the brake pedal is going way down when applied.
  25. tom3

    2016 Yukon Spark Plug Change

    Some of those remove themselves I hear.

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