Three problems related to engine cooling system have been reported for the 2004 Chevrolet Suburban. The most recently reported issues are listed below.
The contact owns a 2004 Chevrolet Suburban 1500. The contact stated while starting the ignition, a loud knocking noise emitted from the engine. In addition, coolant was dispensed into the radiator reservoir every two days without coolant visible on the ground. The vehicle was taken to an authorized dealer, who stated that the water pump would need to be replaced. The vehicle was repaired and the failure persisted. The vehicle had not been repaired. The manufacturer was notified of the problem. The approximate failure mileage was 120,000.
Rear heater hose rubbing on the frame of vehicle caused a failure.
Noticed a strong smell of antifreeze from outside the vehicle after turning it off. Then began to notice fluid leaking from under right rear quarter behind the wheel. Took vehicle to webb Chevrolet. Diagnosis was faulty coolant lines running into other lines forcing a leak of coolant. I wasn't to clear on diagnosis, but they had to order parts and we lost the vehicle for 3 days.