Chevy Silverado Forum (GMC Sierra)
Help with coolant ports on intake manifold. 2001 Chevy Silverado 4.3l vortec V6 90,000 miles.
Intake manifold has started leaking on the outer seal, in the front, and back of the manifold. so I decided to go ahead and do a full intake manifold gasket replacement with the Fel-Pro kit before it...