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 9 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.