Flush cooling system every 60,000 miles on Chevrolet Blazer

Problem Description and Possible Solution

GM recommends replacing the engine coolant at 100,000 miles; however, our technicians tell us that the coolant may become contaminated and require a complete cooling system flush every 60,000 to 70,000 miles.

Problem Data
RepairPal Verified
Average mileage: (–)
11 model years affected: 1995, 1996, 1997, 1998, more1999, 2000, 2001, 2002, 2003, 2004, 2005
11 people reported this problem