Engine And Engine Cooling Related Problems of the 1999 Cadillac STS

Table 1 shows three common engine and engine cooling related problems of the 1999 Cadillac STS. The number one most common problem is related to the engine and engine cooling (three problems). The second most common problem is related to the engine head gasket leaking (one problem).

Table 1. Engine And Engine Cooling related problems of Cadillac STS


Recently reported Engine And Engine Cooling problems of the 1999 Cadillac STS

The Engine And Engine Cooling problem

The contact owns a 1999 Cadillac Sts. The contact stated that the head bolts were not the correct size for the engine and as a result, they stripped, causing the engine head to detach from the vehicle. The vehicle was taken to the dealer who diagnosed that the engine needed to be remanufactured.   Read details...

The Engine Head Gasket Leaking problem

I bought a 1999 Cadillac Sts from a dealer in morgantown, wv. It was a couple of years old. Now, it has about 124,000 miles on it. After a few trips to the dealers service department recently, I was told the reason my car was running roughly was because there was a leaking head gasket.   Read details...

The Water Pump problem

1999 Cadillac Sts experiencing problems with water sounds behind the dashboard as well as the engine overheating. The dealer replaced the water pump but that did not resolve the problem. While driving the engine light illuminated and a warning bell sounded.   Read details...


Engine And Engine Cooling related problems in other Cadillac STS model year vehicles:



Safety Ratings of STS Cars
Fuel Economy of STS Vehicles
STS Service Bulletins
STS Safety Recalls
STS Defect Investigations