Heat and Defrost problem
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Heat and Defrost problem
I have a 1987 F-150 XLT, the last time i needed help you guys came through ( my fuel situation is resolved). Now I am noticing the smell of anti-freeze in the cab, and when i turn on my heat or defrost, steam or smoke is pouring out of the vents, is this a common problem with older trucks, and is it something i can fix myself without too much trouble.John
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Joined: Jan 2003
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From: North Dakota
Easy fix, should be able to do it yourself. You need a new heater core, I would guess cost to be anywhere from $20 to $45 depending on where you get one.
Don't know the exact procedure, but it shouldn't be too hard. Basically, the heater core is behind the glove box, there should be some screws holding a plastic cover on, then what looks like a radiator inside it, take off heater hoses under the hood and it should come out from the inside.
I'm sure someone will chime in with better instructions...
Don't know the exact procedure, but it shouldn't be too hard. Basically, the heater core is behind the glove box, there should be some screws holding a plastic cover on, then what looks like a radiator inside it, take off heater hoses under the hood and it should come out from the inside.
I'm sure someone will chime in with better instructions...
Elder User
Joined: Jan 2003
Posts: 759
Likes: 0
From: North Dakota
Here's a little better help on changing that heater core:
1. Disconnect negative battery cable (don't have to, but always recommended when working on vehicle)
2. Drain coolant. (don't have to, but makes less of a mess under the hood)
3. Disconnect heater hoses from heater core on engine side of firewall.
4. Remove glovebox for easier access.
5. Remove 7 screws that attach heater core cover to the plenum assembly.
6. Disconnect vacuum source, but leave harness attached to cover - remove cover.
7. Remove heater core.
Install is reverse of removal. Be sure to put the rubber/foam spacer on the new heater core to seal it against the firewall.
Here is a pic to help you out too: http://members.tccoa.com/smgussey/fr...heatercore.jpg
Hope this helps!
1. Disconnect negative battery cable (don't have to, but always recommended when working on vehicle)
2. Drain coolant. (don't have to, but makes less of a mess under the hood)
3. Disconnect heater hoses from heater core on engine side of firewall.
4. Remove glovebox for easier access.
5. Remove 7 screws that attach heater core cover to the plenum assembly.
6. Disconnect vacuum source, but leave harness attached to cover - remove cover.
7. Remove heater core.
Install is reverse of removal. Be sure to put the rubber/foam spacer on the new heater core to seal it against the firewall.
Here is a pic to help you out too: http://members.tccoa.com/smgussey/fr...heatercore.jpg
Hope this helps!
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pastorattheridge
1987 - 1996 F150 & Larger F-Series Trucks
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Sep 21, 2007 08:05 AM
