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High output heater


Old 06-18-2017, 08:17 AM
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Default High output heater

I have an '86 F150, no A/C that I believe the heater core is starting to leak (I can smell coolant as the heater warms up). I see an option for a high output and was wondering how to tell other than measuring after I pull it apart.

I'd rather have the correct one in my hand rather than having to order and have it sit disassembled while I wait.

Thanks for any help!

Dana N.
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Old 06-20-2017, 03:42 PM
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At least in the 70s trucks the HO heater was advertised with a small dash plaque on or near the hvac controls. You likely just have the plain old heater and core. If you don't want to sit around waiting, i'd order the regular core and that way you only have to order if you have the much more rare high output heater.

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