Heater Core
Lead Driver
Joined: Jun 2013
Posts: 5,668
Likes: 1,160
From: Tolland, CT
Not sure if you've done this search yet,
https://www.google.com/search?q=how+...ZUTCP4Q4dUDCA0
FWIW, the core is easy to replace, I did mine a few years back.
If you have to, take yours out, loop the hose and drive to your local auto parts and get the matching one.
I would assume, High output was for the bigger cabs ?
https://www.google.com/search?q=how+...ZUTCP4Q4dUDCA0
FWIW, the core is easy to replace, I did mine a few years back.
If you have to, take yours out, loop the hose and drive to your local auto parts and get the matching one.
I would assume, High output was for the bigger cabs ?
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Tuned
Joined: May 2015
Posts: 318
Likes: 13
From: Baltimore
The only problem with taking a sample to the auto parts store is that nobody stocks anything anymore. Since the weather is warming up and the truck doesn't have A/C I suppose I could take it apart first then order the part. That makes a one day project become a 2 weekend one.
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Tuned
Joined: May 2015
Posts: 318
Likes: 13
From: Baltimore
Thanks, I gave this truck to my son and will be at his house next weekend. I'll check it out then. I'm wondering now if I should change the blower motor while I'm at it.
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Tuned
Joined: May 2015
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From: Baltimore
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From: Virginia
By the way, easy to replace can be a relative term. I would say a truck with A/C the heater core is very easy replace, it's behind the glove box. Yours being under the hood is going to be a little more difficult.
Fleet Mechanic
Joined: Jul 2003
Posts: 1,844
Likes: 129
From: Atlantic Canada
It's a bit of a pain to change the heater core (compare to a truck with factory AC). You have to pull the whole heater box off the firewall, and if you're lucky the screw won't be rusty.
This is what it looks like from the inside, see below. There are 3 studs in the box that pass through the firewall to the interior, and if I recall correctly in my 1984 there were M6 (so 10mm hex nuts). See red circles. There are two bolts you need to reach from inside the engine bay (see yellow circles). They go into u-clips...and if they break like they did on mine, you'll have to pull the kick panel to access.
Lead Driver
Joined: Jun 2013
Posts: 5,668
Likes: 1,160
From: Tolland, CT
With all the junk parts out there now...if it ain't broke, don't fix it.
A note for the future if needed. I did replace the blower speed resistor a few years back with one for a mid 1980's Jeep, as it was $6.00 where the only one for a 86' F150 was the one for a truck with AC for $27.00 My blower only worked on high. Now its fine. I used duct tape to tape it in place you can see the tape in the photo
Fleet Mechanic
Joined: Jul 2003
Posts: 1,844
Likes: 129
From: Atlantic Canada
