turn on heat but cool air come out
Nov 13, 2012 at 12:32 AM
1999 Ford F 150 Turn On Heat Cool Air Come Out
1999 FORD F-150
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since you did not identify vital info such as engine size i will tell general issues
check coolant level, check thermostat, heater core may be blocked, radiator clogged , head gasket blown from overheating or bad blend door motor.
Roy
check coolant level, check thermostat, heater core may be blocked, radiator clogged , head gasket blown from overheating or bad blend door motor.
Roy
Nov 13, 2012 at 12:39 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.