Chevrolet Colorado & GMC Canyon Forum banner
1 - 1 of 1 Posts

· 252,000+ Miles
Joined
·
1,469 Posts
Clean your top end with seafoam (and clean the TB while you're at it for good measure). When it starts pumping smoke, look for it to come out your heat shield instead of your exhaust tip.
Heat shield = cracked manifold.
Typical issue for our trucks.
 
1 - 1 of 1 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.
Top