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Old 06-07-2004, 11:50 AM   #1
kickinasphalt
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Join Date: Jan 2000
Location: North Dakota
Posts: 351
Whats involved in replacing the heater core with A/C?

My new 72 4x4's heater core leaks (which I assume is a sign its time to replace it). What do you have to do to replace it? I've never replaced a heater core on anything before so I'm not familiar with the process.
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1972 K-10 Longbox,6" lift w/35's/350/SM465/NP205/3.73
1972 C-10 Longbox,350/350
1998 Pontiac Grand Prix GTP
FOR SALE: 1971 K-10 Longbox,350/SM465/NP205
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Old 06-07-2004, 01:22 PM   #2
JimKshortstep4x4
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Replacing the heater core on an AC truck is pretty straight forward as it is inside the truck. I would start by removing the glove box. Remove the heater vent box, (part in the center), remove the "S" connector and diverter box. Disconnect the heater hoses. Remove the screws holding the heater box and remove. Once you have the heater box out, there are two straps that hold the heater core in place.

Jim
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