heater core
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Freshman User
Joined: Feb 2002
Posts: 25
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From: Sullivan
heater core
Hello all, Ive got a 78 f-250 with a leaky heater core, and I do not have ac. I looked thurely at this thing and it appears that the only way on my truck to remove the housing or plentum is to go all the way around it and drill the rivots that are in it, and I dont see how the he#$ a person is supposed to do that very easily.
Someone please tell me Ive overlooked an easier way. It doesnt make sense why they would put it that hard to get to. PS Ive already looked at the tech article and it doesnt help me one bit with no ac, or atleast it made no sense to me. Thanks for any input
Someone please tell me Ive overlooked an easier way. It doesnt make sense why they would put it that hard to get to. PS Ive already looked at the tech article and it doesnt help me one bit with no ac, or atleast it made no sense to me. Thanks for any input
Senior User
Joined: Jan 2003
Posts: 386
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From: usa
You have to take the whole unit out from under the dash. Its Cake on a truck witout A/C. Unhook heater hoses and blower wireing from under hood, Take the 2 nuts off on the blower under the hood and one nut thats right behind the engine in the middle of the firewall. and then work from inside taking loose the control cables and inside wireing. Pull the whole unit out and go from there.
Posting Guru
Joined: Aug 2002
Posts: 1,493
Likes: 1
From: Great NW
Yep, I learned the hard way by doing exactly what you were going to do BigBrownie. Only after removing all of the rivets and buggering up my plenum did I realize it was only a few bolts to remove it (from the engine compartment side)! Ouch.
Posting Guru
Joined: Jun 2002
Posts: 1,203
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From: where the deer and antelo
Before you go to the trouble, add a tube of radiator stop leak to the radiator. It may fix the leak. If it plugs the heater core, you are not out anything if you would have to change it out anyway.
