little or no heat in cabin on Ford F-150

Average mileage: 149,766 (55,000–400,000)
9 model years affected: 1997, 1999, 2001, 2002, more2003, 2005, 2006, 2007, 2010
49 people reported this problem
30 people shared problem details
Turned on heater and got cold air. set it to 90 and the the temp guage got to half and only got a small amount of heat. vehicle started to have windows fog had to turn on A/C to clear them. It was working fine just two days ago last time used.
1999 Ford F-150112,000
I'm only getting minimal heat. It's full of antifreeze, thermostat works fine & system holds pressure. It was ½ gal. low on antifreeze when serviced before winter. All the hoses are hot & the guage moves showing center between H & C after warming up.
1999 Ford F-150170,000
My heat wrks only a luke warm to cold temp then after warm up turns cold ..i flushed system an problems..but still no heat knob not broken..and still no heat wrks great..
2003 Ford F-15085,000
On heat. Only cool air.
2005 Ford F-150164,000
Everything works fine except when I switch it to heat, it blows cold air
2007 Ford F-15055,000
Littel heat in cabin
2010 Ford F-15068,000
Air blows cold, but when switched to heat, nothing but cold air comes out?
2003 Ford F-150220,000
It's starting to get cold and I turn heater on and cold air comes out.
2010 Ford F-15057,000
No heat in cabin
No heat for several weeks and now egine starting to overheat
i had the same issue in my truck which is a super cab xlt WITHOUT dual climate controls. all of a sudden one chilly morning on the way to church, no heat at all. mine turned out to be the blend door actuator. dealer item in stock, cost me around $14, the part was cheap because they sell a ton of them. i changed it my self and it took me around 3 hours because i'm a carpenter not a mechanic
2003 Ford F-150179,000
there is no water going through heater hoses therefore heater is not working
2001 Ford F-150194,000
Truck warms up you can feel heat when you put the fan on it gets cold
1999 Ford F-15080,000
little or no heat
2010 Ford F-15073,000
no heat coming from heater. blower works and temps in line with normal
my truck wont give me heat only cold air I check for leaks in cab no leaks anybody got any answer for this
2003 Ford F-150200,000
No heat blowing
When turn on heat it blows cold air out
I have no heat..gauge shows its running normal..the hose where thermostat ishas no pressure build up and hose never gets hot from normal pressure build thinking bad thermostat..
2007 Ford F-150190,000
Only blowing cool air. Temp gauge reading is normal
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