The only way it can do this,is threw the head and intake gasket you just installed,,,start over.
I just put the heads and intake on this engine
1998 GMC Sierra 1500 C1500 SL Extended Cab LB
-
Maintenance & Repair
I start my truck. Oil pressure is showing good no knocking. As i drive it to work and truck is at regular heat now. I make frequent stops amd when i brake at a light it starts making a knocking noi...
1994 GMC Sierra 1500 C1500 SLE Extended Cab SB
-
Maintenance & Repair
Ive set timing,by tdc,twice now,and it still reads 60 psi oil pressure,& about 100° water temp
1996 GMC Sierra 1500 C1500 SL Extended Cab LB
-
Maintenance & Repair
there is oil in my intake its a 5.3 v8 gmc sierra
2005 GMC Sierra 1500
-
Maintenance & Repair
my oil pressure staying on 80 I don't think it suppose to do that. what pressure does it need to be while idleing and driving
2007 GMC Sierra 1500
-
Maintenance & Repair
Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use. Content will be removed if CarGurus becomes aware that it violates our policies.