Question about 1991 Ford F150

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How to change the heater core in a 1991 ford f150

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Remove the glovebox and there should be a cover for the heater core there is five or six screws that hold it on remove the heater hoses and pull the heater core out

Posted on Jul 18, 2009

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 128 Answers

SOURCE: the pipe on moter that gos to heater core hose is

it should not be pressed in and can be easily removed thru firewall on passenger side

Posted on Dec 04, 2009

michigan man
  • 3533 Answers

SOURCE: i need a diagram on how to put a heater core on a 1991 ford f150

give these websites a try www.alldatadiy.com and www.autozone.com if all fails stop by your local Ford dealership in the part department and they be able to print you off the pictures and diagram you will need wish you the best of luck Michigan Man

Posted on Feb 06, 2010

emissionwiz
  • 75822 Answers

SOURCE: heater core replacement

This is a really easy job, disconnect the heater hoses at the firewall, go inside the truck on the passenger side there is a plastic panel/cover over the core, 6 bolts/screws I think, remove the cover pull the core, tops 1 hour, as job at work I did them in 20 minutes.

Posted on Oct 15, 2008

centralvalle
  • 386 Answers

SOURCE: How do I change the heater core? On a 1998 Ford

sorry to inform you, this is a big job, the entire dash must be removed, if you feeling capable then I suggest you invest in shop repair manual from chiltons or mitchell...

Posted on Aug 04, 2009

  • 103 Answers

SOURCE: 1991 ford f-150 blowing work

Check and adjust or replace the blend door cable also make sure blend door moves fairly easy

Posted on Sep 01, 2010

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1 Answer

Coolant leak at firewall (outside) on 1991 4.9 F150. Comes out at the bottom of the housing mounted to the firewall.


If hoses seem Ok and the clap is tight it may be the Heater Core has sprung a leak, although is leaking outside maybe the line where the hose attaches has a leak.

Oct 29, 2013 | 1991 Ford F150

1 Answer

1991 ford f-150 blowing work but no heat change water pump cap flush out heater core next tell me what will work?


Check and adjust or replace the blend door cable also make sure blend door moves fairly easy

Aug 31, 2010 | 1991 Ford F150

1 Answer

In my 1991 F150 (186,000 imles)I have a strong glychol smell that is comming from my HVAC system - the only thing I can think of is a leak in the heater core, but I nothing dripping to the ground. Could...


Your nose and suspicions are probably correct. If you start to notice a film on the inside of your windshield while driving at night its definately your heater core pushing antifreeze through your defrost vents. I don't suggest trying any additives. Those quick fixes have sent more vehicles to the junk yard than I'd like to think about.

Feb 20, 2010 | 1991 Ford F150

2 Answers

I need a diagram on how to put a heater core on a 1991 ford f150 v6 thanks


Get on Google and download the diagram some are free

Feb 06, 2010 | 1991 Ford F150

1 Answer

Replace heater core


Disconnect heater core hoses. Remove glove box assembly. Remove the 8mm screws holding the cover on over the heater core. There may be a module in front of the cover. Move module out of way. Carefully disconnect heater control cable. The heater core should come out .

Jan 22, 2010 | 1991 Ford F150

1 Answer

I have a 1994 chevy 1500 blower works full of antifreeze and hoses get tight when truck is warm but blows only cold air


if your truck is not overheating and shows no other signs of a cooling system problem, i would suspect a clogged heater core. you can try to flush it out by removing both heater hoses from the heater core, and with a garden hose, flush the core in both directions

Dec 06, 2009 | 1991 Ford F150

2 Answers

97 ford f150 4.6 the pipe that gos to heater core hose is leaking. is this pipe pressed in? thanks


The inlet/outlet pipes (tubing) is an integral part of the heater core. If the actual core is leaking, you 'll need to remove and replace or repair the heater core. Be sure it's not the hose that is failing ... alot easier and cheaper to change out a hose and clamps...

Nov 20, 2009 | 1997 Ford F150 Regular Cab

1 Answer

99 Dodge Dakota 5.2 y motor, have no heat.


If it has a heater control valve you can easily locate it. You will find it on one of the two hoses going to the heater core. Check to be sure it is opening. Also check to be sure you heater core is not plugged.

Feb 02, 2009 | 1991 Ford F150

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