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Old 04-04-2019, 01:34 PM
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Maximan1 Maximan1 is offline
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Join Date: Sep 2018
Location: Anaheim
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Quote:
Originally Posted by Gmerrell View Post
Thanks, just so I'm sure on this, the Auxiliary pump only runs after you shut off the car and I don't need it to feed the heater correct?
Greg
Auxiliary pump runs at low engine speeds, but many people have deleted it with no ill effects. It's supposed to run when you're sitting in stop and go traffic or idling for a extended time, but when it breaks it slows coolant flow through it.

That's just what I've read from others on this forum.
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Milan Brown 1979 240D, rebuilt OM617.952 turbo diesel, rebuilt 722.315 transmission (my only daily driver)

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