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A45, A35 AMG (W176, W177) 2013 to present. Two generations

Vacuum pump

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Old Feb 4, 2018 | 07:09 AM
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ChouffeChouffe's Avatar
ChouffeChouffe
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A45 AMG 2014
Question Vacuum pump
Hi all,
I think I have a problem with my vacuum pump (secondary air pump / smog pump). It runs continously instead of shutdown after 30-60 seconds ...
I have a video to listen to it.

I don't be able to find the relay of the pump ... Do you know its number in the fuse box ?
I want to try it before changing the pump ....

Many thanks guys, and be safe
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IMG_3512.MOV (4.41 MB, 271 views)
File Type: mov
IMG_3511v2.mov (1.78 MB, 236 views)
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Old Feb 6, 2018 | 01:10 AM
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ChouffeChouffe
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A45 AMG 2014
Hi plutoe,

Here it is : WDD1760521J270218

Manu thanks
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Old Feb 9, 2018 | 11:36 AM
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ChouffeChouffe
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A45 AMG 2014
Hi Plutoe,

Perhaps "auxiliary pump", "vacuum pump", "smog pump" ?

It's the system that push air into exhaust to limit pollution ....
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Old Mar 4, 2018 | 08:35 AM
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ChouffeChouffe thank you for thread in forum
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