Table 1 shows ten common engine and engine cooling related problems of the 1999 GMC Yukon. The number one most common problem is related to the engine cooling system (three problems). The second most common problem is related to the engine exhaust system (three problems).
Quick change connector on the manifold is manufactured from a dissimilar metal causing premature deterioration of the fitting resulting in a loss of coolant. Read details...
While driving, the steering wheel jerked away from the consumer without warning. The problem was due to the (evo) exhaust valve opening. Read details...
: the contact stated the vehicle's check engine light illuminated. The service dealer determined the engine head needed to be shaved down to correct the problem. The contact expressed concern that the engine was defective. Updated 11/30/2006 - Read details...