One problem related to engine and engine cooling has been reported for the 2001 Chevrolet Blazer. The most recently reported issues are listed below.
The contact owned a 2001 Chevrolet Blazer. The contact stated that the air pump filled with water and froze. The vehicle was taken to an authorized dealership where the air pump was replaced. The failure mileage was approximately 40,000. The current mileage was approximately 60,000.