2004 Chevrolet Avalanche Engine problems

Tl* 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. The engine was idle and would not accelerate. The contact engaged in gear and started driving, but the failure recurred. The vehicle was towed to the house. The vehicle was diagnosed by an independent mechanic. The throttle actuator control module failed and needed replacement. The vehicle was not repaired. The manufacturer was notified of the failure. The approximate failure mileage was 113,000.

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.. This repair will be in the thousands to fix. *Tr

Tl* the contact owns a 2004 chevrolet avalanche 1500. While driving at unknown speeds, the low coolant and check engine warning lights illuminated. The vehicle was taken to the dealer, where it was diagnosed that the cylinder head needed to be replaced. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was 116,000.

Vehicle started experiencing a gradual coolant loss, found out vehicle has a manufactured faulty cylinder head(s) from castech. Will cost $$$$ to repair. Gm will not address the problem except with gm #06-06-01-019b information on gradual coolant loss over time with no evidence of leak found, (june 12, 2007). *Tr

The exhaust manifolds fastners are snapping off which is causing carbon monoxide to fill the cabin area of the vehicle. This hazard jepordizes the health of every person driving or riding as a passenger in the v8 powered vehicles. This is happening to newer models as well. Gm is wanting to charge the consumer $1,500-$3,000 to due repairs for defective parts.

ENGINE IS USING OIL BAD. IT SMOKES WHEN STARTED.

Tl*the contact owns 2004 chevrolet avalanche. The contact was driving 55 mph when the rpms increased. The contact had difficulty switching gears and the vehicle lost power. The windshield wipers would not shut off unless the contact restarted the vehicle. The transmission and the water pump failed completely. The driver side door handle broke and the contact cannot get out of the vehicle unless she climbs over the passenger seat. The speedometer only displayed 10 and 20 mph whenever it was cold outside. The failure mileage was 23,965 and the current mileage was 97,323.

Adding cooling and seeing blue smoke coming out when starting vehicle I find out that I have two cracked heads. *Tr

My 2004 avalanche is smoking coming from the tail pipe when I start it. *Tr

When setting at idle, there's vibration, rough idle, and slight engine surge. Vibration can be felt in steering wheel, brake pedal, and in seat. Dealer response: engine not misfiring and fuel mixture is correct. No clues found. Engine is running normal at this time. Concern not verified. No repair attempted. *Nm

Consumer 2004 avalanche sometimes will not start and stalls while driving. ***No answer required*** *ts the dealer attempted to solve the problem but failed several times. The consumer's wife experienced this problem while traveling at high speeds, losing the power brakes and power steering. On another incident, the consumer's wife was turning into an intersection with a sufficient amount of time and the vehicle stalled again, nearly causing a serious accident. *Sc

Dt: vehicle was purchased 1 year ago and continues to stall. It stalls at high speeds. Has taken it to the dealer, he says it is a fuel pump issue, they have replaced the fuel pump, and the problem is still there. Chevrolet says this effects vehicles above 5000 feet. And on hot days. Consumer lives at 6000 feet and vehicle does stall at high speeds. *Ak

New 2004 chevrolet avalanche purchased 08/14/04. On 09/24/04, vehicle stopped on freeway. Towed to dealership purchased from, winter chevrolet in pittsburgh, ca. Kept for 11 days without information given verbally or in the mail. Continue to have problems. Truck again stopped on freeway on 12/27/04. Re-started after turning off and waiting a couple minutes. Taking back in tomorrow. Sales department will not return call regarding trade or return of down. Simply patch up the new vehicle and send me out again awaiting next problem. *Jb