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.

Rocket Man

Mark
Supporting Member
Joined
Dec 25, 2014
Posts
25,961
Reaction score
50,621
Location
Oregon

89Suburban

Bull in the china shop
Supporting Member
Joined
Jan 10, 2013
Posts
12,853
Reaction score
35,234
Location
SE PA
Are you referring to the green intake manifold gasket? Should replace those.

How much oil is in your intake?


No I mean those 2 foam pads on the underside. Intake ports are full of carbon/oil crap. Remember I have 322K on this and only had the oil catch can installed about 6 months now.




Looks like that rear steam port block off is seeping coolant too, got new gaskets for those too.
 

Tonyrodz

Resident Resident
Joined
Feb 16, 2012
Posts
30,958
Reaction score
45,061
Location
Central Jersey
Last edited:
Top