2002 Volkswagen Sharan vw sharan noise on startup

2002 VOLKSWAGEN SHARAN
70,000 MILES
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STIFFLER69
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Hi my volkswagen sharan 2.0 petrol has been making a noise on startup it sounds like a rocket about to take off but then stops after a couple of minutes, it does not seem to make the noise when i'm driving there has been no loss off power, could it be that the engine management light is on .
Sep 4, 2013 at 12:33 PM
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EXOVCDS
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Most likely the Secondary Air Injection Pump is noisy / leaking air... the pumps can be re-sealed by drilling out the rivets
and installing bolts and nuts.

http://www.youtube.com/watch?v=gq59cRA6IGI

If the pump is noisy due to bearings, then the pump needs to be replaced.

The Secondary Air Injection System is an Emission System and is primarily only active during cold starts.

Thomas
Sep 4, 2013 at 3:47 PM
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EXOVCDS
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Can't help if you don't reply.
Sep 5, 2013 at 12:13 PM
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MHPAUTOS
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I agree, as I have repaired this myself.
Sep 6, 2013 at 5:29 AM
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EXOVCDS
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Probably sounds like this:

http://www.youtube.com/watch?v=iJUWtCznLIw

Thomas
Sep 6, 2013 at 10:08 AM
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MHPAUTOS
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#
Sep 7, 2013 at 6:52 AM
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STIFFLER69
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Cheers for your help problem solved , Definitely come back if I need help ,thanks again stiffler 69
Sep 9, 2013 at 9:49 AM
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EXOVCDS
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So what was the problem / fix?
Sep 9, 2013 at 9:15 PM
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MHPAUTOS
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ok, good luck.
Sep 10, 2013 at 3:44 AM