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mechanical fan clutch/water pump question

Old 12-29-2018, 06:19 PM
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Default mechanical fan clutch/water pump question

have a stop 2004 SE grand cherokee. It has the usual overheating issue in traffic. I want to add a mechincal fan/clutch. I have heard that the threads on the water pump are left hand, but the stub on my looks like they are right hand (righty tighty). And it looks like my pump spins counter clockwise which i would think would loosen the clutch.

Have any of you see right hand threads on the 4.0L waterpumps?
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Old 01-01-2019, 05:20 AM
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If the pump spins counterclockwise, you need right hand threads. The fan clutch nut has to turn clockwise to tighten.
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