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Re: How do I diagnose my heater?
Quote:
Originally Posted by feller
Hoses feeding the heater core may be backwards, also check to make sure the core supply line is connected to the intake manifold and not the water pump. Mine were all kinds of wrong backwards at the heater core and feeding from the water pump, switched them back and it was burning me out
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The heater core itself is non-directional. The only thing that could happen if you had it hooked up backwards is it not get fully filled with coolant and have a lot of air in it.
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1970 C-10 LWB "Blu"
Instagram (current build pictures) 70_nc_c10
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