Re: Still Overheating (Some)


[Follow Ups] [Post Followup] [Dodge Power Wagon Forum]


Posted by Dean in CA [172.68.132.122] on Tuesday, October 24, 2017 at 11:46:39 :

In Reply to: Re: Still Overheating (Some) posted by Jim in Litchfield Park [162.158.142.7] on Monday, October 23, 2017 at 21:46:35 :

You may have the opposite condition. The
water pump isn't moving enough water at higher
engine speed do to a loose impeller. As the
coolant heats to a certain temp the expansion
of the impeller on the shaft me be enough
to allow slippage so your circulation is
slowed down ( problem with some rebuilt
pumps now days). It seems you have explored
all other avenues, may be the pump. Had
this happen to me once very frustrating.
Pulled the pump and impeller was not
a pressed fit had a little movement.
Replaced pump (checked impeller) and all was
good.




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