Table 1 shows six common engine and engine cooling related problems of the 2004 Chevrolet Avalanche. The number one most common problem is related to the manifold/header/muffler/tail pipe (three problems). The second most common problem is related to the engine cooling system (two problems).
The exhaust manifolds bolts are snapping off which is causing leaking and noises (ticking sounds near drivers side) which can be smelled in the cabin and heard in the cabin of vehicle. I been told by other mechanics that this is a severe problem with 5. 3 liter and 6. 0 liter engines made by gm. . Read details...
Adding cooling and seeing blue smoke coming out when starting vehicle I find out that I have two cracked heads. Read details...
The contact owns a 2004 Chevrolet Avalanche 1500. While driving approximately 50 mph, the check engine warning indicator illuminated and the reduce engine speed message appeared on the instrument panel. The vehicle lost speed and the contact coasted the vehicle to the shoulder. Read details...