DOES THE F-250 HAVE A HEATER CONTROL VALVE?
WHAT SHOULD I CHECK FOR TO GET HEAT?
THANK YOU.
Mar 13, 2008 at 3:54 PM
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BLACKOP555
CERTIFIED EXPERT
10,386 POSTS
i cant say for sure if yours has one or not, but the first thing you should do is warm the vehicle up to normal temperature, then feel the heater core hoses directly at the fire wall.
is one of the hoses hot?
neither hot?
both just warm and not as hot as the upper??
both hot?
post back.
Dec 31, 2018 at 9:24 AM
GARY ALLISON
MEMBER
2 POSTS
mine has one hose hot going to heat thru the firewall Gary allison
I have a 97 Ford F-250. The heat only works occasionally, usally at an idol and sometimes while moving. Tried to flush heater core out. Could this be a bad heater core, or maybe the heater control switch?
Jan 6, 2020 at 12:59 PM
(Merged)
RASMATAZ
CERTIFIED EXPERT
75,992 POSTS
Check the thermostat, coolant level, heater core if its clogged, heater control valve and air blend door/actuator-