Two problems related to manifold/header/muffler/tail pipe have been reported for the 2004 Chevrolet Colorado. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Chevrolet Colorado based on all problems reported for the 2004 Colorado.
The contact owns a 2004 Chevrolet Colorado. The contact stated that the catalytic converter weld became fractured and separated. The failure recurred on multiple occasions. The vehicle was taken to the dealer where the technician diagnosed the exhaust manifold and catalytic converter needed to be replaced. The vehicle was repaired. The manufacturer was made aware of the failure. The failure mileage was 102,000 and the current mileage was 182,000.
Exhaust manifold completely cracked. At the cylinder closet to the firewall, the manifold completely cracked all around and all the way through. Strange because relatively new and the manifold was steel.