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I am only getting warm air from my heater in my Ford 150

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  • Gerald B. Rorer Nov 03, 2012

    Sounds as though it is working!

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If you have good temp indication try flushing the heater core or chk the temp rating of the thermostat

Posted on Dec 18, 2012

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Posted on Jan 02, 2017

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  • 176 Answers

SOURCE: I have 1998 Ford 150, no hot air from heater blower works fine

Usually heater core.

Posted on Oct 26, 2009

  • 6 Answers

SOURCE: I have a 1998 Ford 150 ,no hot air from heater,

you may have a clogg in your heater core try flushing it out.

Posted on Oct 26, 2009

fisherman816
  • 66 Answers

SOURCE: heater dosne't put out warm air

check fluid level in the radiator.If thats ok could be the thermostat.

Posted on Nov 12, 2009

c1apton15
  • 3400 Answers

SOURCE: my 2006 ford e 150

check heater control valve for rear heater, sounds like it's stuck shut

Posted on Jan 02, 2011

sscullys
  • 984 Answers

SOURCE: I have a 2000 f-150

Did you happen to check the t-stat or the engine temp gauge, to see if the engine is getting warm ?

Most will past this check, and go right to a blend door replacement ( which is time consuming ).

Posted on Apr 12, 2011

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1 Answer

On my 2001 Ford F-150 where is the heat/ac blending door and how and how do I get to it.


The blend door is located at the top of the plenum chamber. The dash needs to be removed/pulled forward to access it.

Nov 14, 2017 | Ford Cars & Trucks

1 Answer

My 2010 F150 Lariat. The heater blows warm air on driver side but blows cold air on passenger side. What could be the problem?


Does it have dual zone climate? If so, you have to adjust the passenger side. If it still doesn't work, check for vacuum hose off in engine compartment, going into the firewall.

Dec 03, 2016 | 2010 Ford F-150

1 Answer

Heater not working on 2010 f-150


If both heater hoses are hot, and the radiator is full of coolant, it may be a blend door problem under the dash.
The blend doors direct air thru the heater core and out thru the vents.
It may still be under Ford warranty.

Jan 16, 2013 | 2010 Ford F-150

1 Answer

I have a 1998 Ford F 150 4.6 , 2 wd with 160,000 miles. I have a problem with no warm air circulating through the cab. I replaced the heater core, thermostat, made sure the blend door was working...


In a Ford 90's and up this is caused in most every case by a defective air temperature control blend door and the electric actuator that moves the door, the blend door is located deep in the dash between the heater core and the AC core, it mixes or blends the air from the hot heater core with the cool air from the AC or outside air. The blend door is plastic and they get warped, then the actuator that moves it can't move the door due to the warping of the door and it fails from the strain

Oct 18, 2012 | Cars & Trucks

1 Answer

I have a 2000 f-150 and my heater blows warm air but does not get real hot.It seams that the colder it is outside the less effective my heater is,what could the problem be?


Did you happen to check the t-stat or the engine temp gauge, to see if the engine is getting warm ?

Most will past this check, and go right to a blend door replacement ( which is time consuming ).

Feb 18, 2011 | 2000 Ford F150 Flareside SuperCab

2 Answers

Iv changed everything that i can for my heater and i only blows cold air. Is there a device that opens and close for the heater and AC?


Its probably your vacuum lines for the heater doors under the dash. These lines open a close doors to allow air to blow through the heater core.

Jan 05, 2011 | 1988 Ford F 150

1 Answer

My truck heater was not getting warm, installed new thermostat and heater core, still blowing cold air, only one of the hoses is getting warm


It's possible that the heater core is plugged internally with crud and this is preventing the hot water from flowing through it which will cause one hose to be hot and the other to be much cooler. If the temperature gauge is indicating that the engine is reaching normal operating temperature and the heater controls are functioning properly then you may need to have the heater core backflushed or replaced. Hope this helps and good luck!

Dec 20, 2010 | 1982 Ford F 150

1 Answer

I have a 1998 ford f-150 and no heat. i have replaced the heater core, blend door and control switch. checked the blend door motor- works fine. have tryed 3 thermostats. when i replaced the core i back...


You just might have an air lock. Try bleeding the system from the heater hose at the firewall. Losen one hose a little, and at operating temp. open slightly to let air out. You will lose some coolant, but just refill the rad. Now, both hoses should get hot.

Jan 01, 2010 | 1999 Ford F150 Regular Cab

3 Answers

My 1999 Ford F150 Heater only blows out cold air


guys have you checked for a vaccum leak????? there is a little plastic ball with a vaccum line going to it that controls the outside air coming in. check for a leak in this line

Dec 10, 2008 | 2001 Ford F150 Styleside SuperCrew

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