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

[Ilikemtb999]

Drivers motor mount, replaced the small trans cooler line rubber part and put vinyl over the gold emblems.

 

[Glisella]

thank you! Will try it in the morning. If you have a check engine light will that disable it? Because of being catless, I do have P codes, but I have the CEL for those codes turned off...

My '08 won't start with CEL on.

 

[Mickey_7106]

Cleaned the Maf sensor and the throttle body because it's been feeling a bit less responsive. Looked inside the intake manifold to see how much oil i had pooling but i couldn't cause of how it was designed. Never seen that. I remember on my ls1 i could see most of it.

How much would things change if the hole was bigger? Looks restrictive

 

[Glisella]

My '08 won't start with CEL on.

And I just looked at my keys, the back of my keyfob actually says how to start it, press lock then the arrow key.

 

[Ilikemtb999]

Drivers motor mount, replaced the small trans cooler line rubber part and put vinyl over the gold emblems.

Pics to go along with it.

 

[Doubeleive]

Pics to go along with it.
View attachment 233955 View attachment 233956 View attachment 233957 View attachment 233959 View attachment 233958

did you use the hummer mount?

 

[R3cord303]

did you use the hummer mount?

I’m not him but on mine I used the H3 mounts

 

[Ilikemtb999]

did you use the hummer mount?

Yes I did.

 

[iamdub]

Cleaned the Maf sensor and the throttle body because it's been feeling a bit less responsive. Looked inside the intake manifold to see how much oil i had pooling but i couldn't cause of how it was designed. Never seen that. I remember on my ls1 i could see most of it. View attachment 233953

How much would things change if the hole was bigger? Looks restrictive

It's there for a reason. It's been years since I read up on it, but IIRC, it's there to balance the air flow and volume because, at higher RPM/wider throttle, the air rushing in slams into the back of the manifold and builds up to create a high pressure area and those back two cylinders get a slightly stronger air charge.

 

[Rocket Man]

Yes I did.

Awesome, you shouldn’t ever have to do it again!