Compression Ignition Addict
Join Date: Feb 2009
Location: Nacogdoches, TX
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Heater core flow direction
I'm trying to figure out which line flows into the core and which line flows out of the heater core.
One comes out of the block to the core.
Other comes out of the core, into the water pump.
I'm assuming that it flows out of the block and then back into the pump?
Also, does the pump have any suction on it? Or is is strictly pumping out?
2000 F-350 Lariat Super Duty, Dually, CCLB, 7.3L
330,000 + miles