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Volkswagen Jetta, Golf, GTI: 1993-1999, Cabrio 1995-2002 (A3) Secondary Air Pump fuse


Permlink Replies: 5 - Pages: 1
Last Post: Dec 5, 2006 10:36 AM Last Post By: zinteck
prydain007

Posts: 12
Registered: 12/19/05
Secondary Air Pump fuse
Posted: Dec 19, 2005 10:37 PM
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I've blown the secondary air pump fuse twice in the last week. The manual says that it is a 30 amp fuse, but some of the posts here on the forum say it is a 50 amp fuse. Am I using the wrong fuse, or do I need to check for another problem. Also the manual says that the fuse is between two red wires, on my 1997 Jetta 2.0l it is a red wire and a black wire.

Thanks,
J.R.
budpalumbo

Posts: 1,454
Registered: 12/09/03
Re: Secondary Air Pump fuse
Posted: Dec 20, 2005 8:56 AM   in response to: prydain007 in response to: prydain007
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The air valve goes bad and lets moisture into the pump, it rusts, and burns out. See if the pump runs if you put power straight to it.
prydain007

Posts: 12
Registered: 12/19/05
Re: Secondary Air Pump fuse
Posted: Dec 20, 2005 5:42 PM   in response to: prydain007 in response to: prydain007
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The pump runs fine when you I first put the fuse in, but after a day or two the fuse blows.

J.R.
msklazyace

Posts: 8
Registered: 06/03/06
Re: Secondary Air Pump fuse
Posted: Jun 3, 2006 3:09 AM   in response to: prydain007 in response to: prydain007
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Are you using 30 amp fuses or are you useing 50 amp fuses? Give the 50 amp a try. If that dosent work, if you can find where your SAIS pump air input is connected to your airbox you should disconnect it and start your car. Work your way back to the front of the car and listen to the input hose. You should hear a growling for about 65 seconds (on a cold start) and feel suction. This will verify that you have an operational combi-valve and it is not blocked up, which would overload the pump(maybe). The pump will work for 5 seconds after a 20 second delay on a "warm" start. If all that fails check out:

http://forums.vwvortex.com/zerothread?id=1995162&page=2

or get to searching the forums!
vw issues

Posts: 2
Registered: 12/04/06
Re: Secondary Air Pump fuse
Posted: Dec 4, 2006 10:14 AM   in response to: msklazyace in response to: msklazyace
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i have a '97 jetta 2.0 and i am having a problem finding the sai pump fuse. any help would be great.......
zinteck

Posts: 163
Registered: 10/21/04
Re: Secondary Air Pump fuse
Posted: Dec 5, 2006 10:36 AM   in response to: vw issues in response to: vw issues
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On my '98 the fuse is located in the engine compartment, drivers side on the shock tower behind or next to the battery

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