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

Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. If you click them and make a purchase, we may earn a small commission.

Joined
Apr 11, 2018
Posts
7,124
Reaction score
14,365
Location
St. Louis
How did that go for ya btw? You did it yourself?
I was going to, but it's been rainy on and off around here. I removed the wheel and dropped it off at a shop 3 blocks from my house (they do all my inspections and repairs I don't feel like doing, lol) along with a new ACDelco/Schrader Electronics sensor I bought through Amazon for $11 and they installed it for $25
 

RooTBeeRthe1st

Full Access Member
Joined
Jul 11, 2018
Posts
1,106
Reaction score
2,534
Also, I've used a bit over a quart of oil in 2500 miles... Might just start doing 2500 mi changes at least until I yank the motor and hone the cylinders and slap some new rings in it.
 

RooTBeeRthe1st

Full Access Member
Joined
Jul 11, 2018
Posts
1,106
Reaction score
2,534
Tried the upper engine soak yet just in case it's a stuck ring(s)? Compression test?
so, i did comp and leak down when i got it, it was decent.
used 1qt in 5,000mi
now 55k later, its more than double the consumption...not a lot in the catch can either.
but when the blower goes on, im sure itll only get worse and be leaking horsepowers.
i might do another comp and leakdown before i yank it(doing a cam/springs, vvt delete, and dod delete) just for curiosity.
 
Joined
Apr 11, 2018
Posts
7,124
Reaction score
14,365
Location
St. Louis
so, i did comp and leak down when i got it, it was decent.
used 1qt in 5,000mi
now 55k later, its more than double the consumption...not a lot in the catch can either.
but when the blower goes on, im sure itll only get worse and be leaking horsepowers.
i might do another comp and leakdown before i yank it(doing a cam/springs, vvt delete, and dod delete) just for curiosity.
You can always run a vac pump and adjustable relief valve on it, so the crankcase always sees about 10" vacuum.

I do that with my blown mustang. The other side of the vac pump empties into a catch can with a breather at the top.
 

RooTBeeRthe1st

Full Access Member
Joined
Jul 11, 2018
Posts
1,106
Reaction score
2,534
Finally washed it on the way into work real quick.

Anybody have a clue why GM would have programmed these things to turn the AC off when engine braking in first gear?
That's pretty damn annoying when it's 100° outside.
 

lowh07

Full Access Member
Joined
Dec 1, 2017
Posts
325
Reaction score
1,239
Does anyone know the factory underhead length for the rear wheel studs? I’m finding between 2.281” and 2.575”. I’d guess it’s the shorter one. I can pull the wheel and rotor off to check but if someone knows or has one laying around... been crazy sick lately and won’t be able to mess with it for a while
 

Forum statistics

Threads
132,748
Posts
1,873,525
Members
97,575
Latest member
Goliath23
Top