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

[PG01]

I changed the plugs in the Yukon today. It wasn't as bad as I thought it would be. Even #8 was manageable without pulling the fender liner and other shenanigans. I used a 1" extension on the plug socket which gave me room to clear the exhaust manifold on one side and the firewall heat shield on the other.

View attachment 403582

Here's what it felt like:

View attachment 403584

Did mine the other day, I had plugs, wires and 02 sensors to do so I killed a few birds with 1 stone and rotated tires too. While it was up on jackstands I just yanked the fender liners and did it all while sitting on my fat a s s and I didn’t have to lean over the fenders or play twister and cry about my back later on that night.

 

[iamdub]

But do you regularly drive at 100+ mph?

Valid point.

 

[iamdub]

I’ll check that out.

Does anyone know if a faulty BCM could affect driveability?

Unless I'm not remembering correctly, didn't you say you pushed or otherwise moved the wire harness at the TB and the fault occurred?

 

[89Suburban]

This video mentions a TSB for the ECM program update for 08-11..?

So this video and that TSB I looked up says 2008 and up. Mine is 2007. Does it still apply??


One thing I see I did wrong, according to that '08 and up TSB, was when I installed the TPS on the TB with the throttle plate in the idle position. The TSB says install it with the throttle plate in WOT.

 

[89Suburban]

Unless I'm not remembering correctly, didn't you say you pushed or otherwise moved the wire harness at the TB and the fault occurred?

Yes but only one time. This thing is bewitched. Could have been coincidence, could not.

 

[mikez71]

So this video and that TSB I looked up says 2008 and up. Mine is 2007. Does it still apply??


One thing I see I did wrong, according to that '08 and up TSB, was when I installed the TPS on the TB with the throttle plate in the idle position. The TSB says install it with the throttle plate in WOT.

Seems to only say 08-11

11-06-04-007C Chevrolet Engine Control System TSB

11-06-04-007C Chevrolet Engine Control System TSB

www.tsbsearch.com

Maybe the throttle plate angle during assembly still applies. ?

 

[Doubeleive]

Current status 1/2 mile from the 101 turn off

 

[Doubeleive]

 

[Doubeleive]

@iamdub checkpoint 2 no tickets, lol
There was a semi-truck flipped on it's side on 101 didn't get a pic, caused about 1 1/2 hour delay

 

[89Suburban]

Seems to only say 08-11

11-06-04-007C Chevrolet Engine Control System TSB

11-06-04-007C Chevrolet Engine Control System TSB

www.tsbsearch.com

Maybe the throttle plate angle during assembly still applies. ?

I don't know what to do.