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Old 02-20-2002, 01:43 PM
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mikemover mikemover is offline
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Join Date: Aug 2001
Location: Atlanta, GA
Posts: 5,514
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.

Mike
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1979 300 SD
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1982 300D-gone---sold to a buddy
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1985 300TD
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1994 E320
not my favorite, but the wife wanted it

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