The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post

71GMC_3/4T · 08-13-2002, 06:05 PM

Exhaust Manifold leak? Those usually go away when it heats up.
You might try tightening all the bolts - maybe you'll find a loose one.

08-13-2002, 06:05 PM	#2
71GMC_3/4T Weapons Of Construction Join Date: Apr 2000 Location: Colorado, USA Posts: 1,095	Exhaust Manifold leak? Those usually go away when it heats up. You might try tightening all the bolts - maybe you'll find a loose one. __________________ 1971 GMC 2500, 402/TH400 4.10 Daily Driver Lafayette, CO