Aux. water pump, What's it's purpose?
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02-20-2002, 12:43 PM
Join Date: Aug 2001
Location: Atlanta, GA
It was my understanding that the aux. water pump is supposed to ensure that coolant gets to the heater core at lower RPMs, so that you have heat when the car is idling.
1979 300 SD
1982 300D-gone---sold to a buddy
not my favorite, but the wife wanted it
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