heater runs on all speeds but no heat.
Asked by tiredoldman Nov 05, 2014 at 06:59 PM about the 1999 Ford F-250 Super Duty XLT Crew Cab LB
Question type: Maintenance & Repair
the heater will not blow any heat no matter where I set the selector.
2 Answers
Heater core is probably clogged.
8 people found this helpful.
mikeatpriestlake answered 10 years ago
check your fluid level. when was the last time the cooling system was flushed? If you flush the system change your stat.
3 people found this helpful.