Recent content by 555hp

  1. 5

    SPS2 programming error on driver assist module?

    Get the case number from the dealer and call the tech line yourself. At this time, it should have been elevated to higher level techs. It could be something as simple as the dealer not having the right version of windows, as they should be able to easily correctly a VIN mismatch.
  2. 5

    Under heating problem

    You need to get the air out (leave cap off untilbit comes up to temp and let it cool off, keep bottle filled). The second part is to add a restrictorvintobthe radiator to coolant bottle line. I used a 1/2 inch brass PEX cap (got mine off amazon( and drilled a 0.100 diameter hole in it). You can...
  3. 5

    Hello from Wisconsin - '03 z71

    93 Z71 owner, who has done many upgrades. Next time you need tires consider buying 18 inch newer tire/wheel set off marketplace, as you need bigger rims for the bigger brakes
  4. 5

    L59 Intake Upgrade ?

    As a fellow L59 with CA and shortly headers, I'm interested in your thoughts about your cam upgrade. Been looking at that, but most of my driving is sub 3000 rpm which none of the csm upgrades seem to help. I researched ibtakes and the TBSS is the only cost effective upgrade and even then, only...
  5. 5

    2016 Tahoe - transmission fluid change?

    Follow the maintainance manual.
  6. 5

    [SOLVED] Rear glass defroster tab

    I used a Weller 100/140 watt soldering gun (and solder) and fixed mine.
  7. 5

    Help, Need Guidance. 5.3L engine failure with no brakes

    Using roughly $0.50/mi for 23k miles, you should pay about 11,500 to replace your vehicle. Tell GM you'll pay 10K to get this replaced or you will see them in Court. Provide them with Noice that this is unsafe and that the dealer can not fix nor find the root cause. Document everything!!
  8. 5

    Help, Need Guidance. 5.3L engine failure with no brakes

    This is a major safety issue that is beyond a normal lemon law claim (and should be reported to the NHTSA). The vehicle should have reserved braking capacity (usually an electric powered vacuum pump assist). Lawyer up now!
  9. 5

    Spark plugs for mildly upgraded engine?

    I always buy the best NGK plug offered at the time, and never regretted that decision. For now, that would be their new ruthenium plugs (which made a big difference on my 2016 turbo malibu).
  10. 5

    Should I buy a 2026 Tahoe Z71 with 5.3 Engine?

    If buying new, you really need to look at the diesel option, else purchasing a more reliable used one is a better choice. The old adage that they don't make them like they use to applies to GM SUVs.
  11. 5

    2015 lt 4wd brake upgrade

    NO TO DOT 5, but DOT 5.1 is worth upgrading to (Bosch). While it's worth upgrading to SS hoses, it's not the night to day difference everyone promotes (just did that on my Suburban). At this age, it's worth flushing the brake fluid and replacing the hoses.
  12. 5

    2025 Tahoe High Country - 6.2L or 3.0 Turbo Duramax LZ0?

    Your non turbo-diesel argument suggests that the 18 wheeler turbo diesels shouldn't last the million miles that they do..... The biggest downside for the diesel is repair costs (an item that should be considered for any GM nowadays).
  13. 5

    2003 Tahoe 5.3 Flex a dog when accelerating

    Thanks! Would you recommend staying with the 265 70 17 then (with my 3.73s that I do not lean on changing)?
  14. 5

    2003 Tahoe 5.3 Flex a dog when accelerating

    Thanks for the info!!
  15. 5

    2003 Tahoe 5.3 Flex a dog when accelerating

    Fellow 2003 5.3 Flex Burb owner. Interested in doing upgrades similar to yours -- tune, exhaust, 33 inch tires and was wondering what, if anything you would do different. Already did 2in up country lift, planning on 285 70/17 on factory Z71 rinse and efan conversion. Thinking about HPtuner vs...
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