March 1: GM Engine Failure Class Action Lawsuit Begins news | 21 days ago
February 28: GM Lifter Lawsuit Update: Motion to Sever Denied news | 22 days ago
February 21: GM Brake Booster Vacuum Pump Failures Cause Lawsuit news | 29 days ago
February 21: Recall: GM Rear Wheels Lockup While Driving recalls | 29 days ago
January 19: GM Engine Failure Recall Investigation Opened investigations | 62 days ago
6.0
fairly significant- Typical Repair Cost:
- $700
- Average Mileage:
- 55,000 miles
- Total Complaints:
- 1 complaints
Most Common Solutions:
- replace water pump (1 reports)
cooling system problem
Helpful websites
- No one has added a helpful site for this 2003 Sierra 1500 problem yet. Be the first!





A D V E R T I S E M E N T S
A new water pump at 55k!!!! GMC is supposed to be 'Professional Grade.' Won't be rewarding this poor quality with another GM purchase.
- irishlager70, Sterling Heights, MI, US