Water Pump HELP!!
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Junior User
Joined: Aug 2005
Posts: 88
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Water Pump HELP!!
Hello i have a 73 f100 heres the situation i have the trucks stock radiator but i have a 1993 5.0 engine in it seems to me like the water pumps isnt working on it when i figured it was time to buy a new pump then i thought wait i have the old school radiator with a reverse floe engine wont that cause problems? and here i am
Tuned
Joined: Feb 2003
Posts: 495
Likes: 0
From: Cincinnati, Ohio
Both pumps still draw from the lower hose and push the coolant through the block up through the intake and then back out the upper hose to the radiator. Depending on what direction the water pump impeller turns is important. If the serpentine pump turns CCW versus CW for the older belt driven one you need to match the pump with the type of belt system. You will definitely have a problem using the wrong pump because of the direction of the impeller vanes relative to pumping action.
John
John
Tuned
Joined: Feb 2003
Posts: 495
Likes: 0
From: Cincinnati, Ohio
I don't have a serpentine belt schematic for the 302 but you need to know which way the waterpump pulley needs to rotate based on what impellor is in the pump either with the crank pulley which is CW or opposite which is CCW. If you check with Autozone, Ford or NAPA they should be able to tell you whcih way the water pump needs to rotate. Maybe someone on here can tell you.
John
John
