How to: Install/Replace 3.7l Waterpump.

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uss2defiant

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i'd put the fan facing up.
have someone put weight down and hold the fins of the fan so it doesn't move.
have a 2nd person undo that fan clutch nut.
 

Muddedprairie

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I'm having heating issues on my 03 with a 3.7.. I flushed the system. New t stat. Lines running to my heater core are hot.. if I leave heat off run the jeep then turn it on its nice and hot.. but a few mins later it's barely like warm.. some ppl are telling me it's my blend door is this possible?
 

HoosierJeeper

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Is the temp gauge staying that the normal temp? What brand of t stat did you use?

If it were a blend issue, I don't think you'd ever get heat. I'm thinking the tstat is sticking closed still. I'd get a Mopar one.
 

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