1. B

    ‘07 tahoe misfire & More!

    Needing Help! I have a 2007 Chevy Tahoe LT 5.3L V8 Ive owned it for 2 years after about a month of owning had a Cyl. 7 missfire, new plugs / wires, no fix, went down the entire rabbit hole and found a stuck valve, now i sit here today, absolutely stuck, still having a missfire (cyl 1 & 6), EVAP...
  2. E

    Considering a 5.3 to 8.1L CI Vortec 8100 L18 swap for a 2007 Yukon XL 1500 SLT

    Hi Everyone, I'm currently considering swapping out my 5.3L V8 which has an ever-existing oil leak off the back of it to either a 6.2 Vortec or even possibly a bigger engine like the L18 8.1 Vortec engine. There's a business that "remanufactures" the engine (found here ) and it seems like it...
  3. D

    AC blows hot

    Need help getting AC COLDER. 2007 Tahoe 5.3l, 140k. AC blows 75-80deg F and 60-65deg F on recirc. Brand new Denso OEM compressor, low PSI 45-50/ high psi 225-250, installed cabin air filter kit. The recirc door moves perfect and the Hot/Cold controls seem to be working correctly and evenly on...
  4. K

    Fuel pressures

    Does anybody know what the fuel pressure should be with key on/engine off and what it should be with it idling? I got a 2007 Yukon denali 6.2. thanks in advance!
  5. C

    Vibrating/Grinding Noise from top of engine

    I have an 07 Tahoe 5.3L V8, and about a month ago I started noticing a quiet noise when slowing down to a stop, when the engine returned to idle, for a brief second it sounded as though maybe a pulley was bad or AC clutch not disengaging all the way. As two weeks passed, it started lasting...

Forum statistics

Latest member