Is this called a Smog Pump????? - PeachParts Mercedes-Benz Forum

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Is this called a Smog Pump?????

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03-01-2006, 07:00 PM

420benz

420benz is offline

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Join Date: Jul 2001

Posts: 961

Is this called a Smog Pump?????

It is located on pass. side under the alternater.If so, this is what is going on.After starting a cold car, a clutch kicks in and this pump makes a lot of noise.After about 10 seconds the clutch kicks out and the noise goes away.
1.What is causing the noise?
2.Does the clutch only kick in once,because after driving i do not here the noise any more.
3.What is it's purpose?

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