Having problems with your 2002 Chevrolet S-10 ?
Heater not heating - 2002 Chevrolet S-10
If fan works, most likely low antifreeze in radiator. Also could be air in cooling system, so fill, try, let cool, fill more, try again.
Repair Help & Product Troubleshooting for 2002 Chevrolet S-10
Tips for a great answer:- Provide details, support with references or personal experience .
- If you need clarification, ask it in the comment box .
- It's 100% free, no registration required.