I own a 2000 chev silverado 2500 with a 6.0 litre. I recently had dual exhaust installed on it (they sound sweet by the way). Before it was installed, i wanted them look at an exhaust leak i could hear near the engine compartment. Which i thought was the collector gasket. With out even looking the guy said "its probably the exhaust manifold bolts." Sure enough, looked under the hood and the front and the rear bolts were broke off on the drivers side. He said he's ran into that alot and that they break flush with the head so you have to remove the head because there's not enough clearance between the head and the firewall.
Has anyone else had this problem?
I've heard it happens on the 5.3 liters too.
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