ACC Temperature Calibration: What Affects This?

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ACC Temperature Calibration: What Affects This?

10-09-2009, 01:28 PM

brandlj

1986 300sdl 1985 380se

Join Date: Aug 2005

Location: West Monroe LA

Posts: 484

Quote:

Originally Posted by shertex

Interesting question. I've been wondering about the aux water pump. Sometimes at idle I have good heat, sometimes not. So I'm suspecting it's on its way out.

What would be the connection between my temp calibration issue and the aux water pump?

I believe that the aux water pump affects the amount of coolant entering the heater core at idle to stabilize the overall warmth of the car when it is cold outside. I know that my pump is disconnected at this time and my heat at idle is not as hot as when I am driving.

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John
1986 300sdl
1985 380se

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