2003 Flush cooling system every 60,000 miles

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.

Affected Model Years

This issue affects model years 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, .

10 people reported this problem