Auxiliary water pump CL65 AMG - MBWorld.org Forums

08-10-2022, 10:25 AM

#1

TomGlo

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Mercedes-Benz CL65 AMG c216

Auxiliary water pump CL65 AMG

Hi. Will someone tell me when the auxiliary water pump turns on?

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08-11-2022, 06:52 AM

#2

Renntech6509

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2014 ML350

I believe once the iat reaches 90 degrees.

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08-12-2022, 11:14 PM

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Harebear

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2020 G63

You can just jump the relay for it to test it, works even when the engine isn't running

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08-13-2022, 03:35 AM

#4

TomGlo

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Mercedes-Benz CL65 AMG c216

the pump works. I connected it directly to the battery. but when the engine is on and warm, the pump does not work.

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08-13-2022, 04:10 AM

#5

Harebear

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2020 G63

Quote:

Originally Posted by TomGlo

the pump works. I connected it directly to the battery. but when the engine is on and warm, the pump does not work.

Then it's gonna be a bad fuse or relay hopefully, cheap fix

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