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Author Topic: Compressor/air pump noise from n/s/f of engine  (Read 523 times)

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Sixstring

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Compressor/air pump noise from n/s/f of engine
« on: 31 August 2010, 09:16:49 »
This has only just started today, a vacuum cleaner type noise from the engine bay (not the self leveling pump noise)only goes on for about 3 mins then stops. Does this every time you start engine. Quite loud noise, and has never done this before.

Can anybody tell me what it is, and how to make it stop and do what it used to??

TIA.

Mike.
« Last Edit: 31 August 2010, 09:17:23 by Sixstring »
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Self confessed Electro-Mechanical nut, Guitarist/Singer and Motorcyclist. Drives an estate due to all the equipment he has to carry,Electrickery fiddler who loves Automatics and BIG Vee engines.

Welung666

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Re: Compressor/air pump noise from n/s/f of engine
« Reply #1 on: 31 August 2010, 09:37:47 »
That'll be the SAI pump (secondary air input), can be unplugged as it's not really needed. Plug is on the NS, under the front bumper forward of the wheel. :y
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Sixstring

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Re: Compressor/air pump noise from n/s/f of engine
« Reply #2 on: 31 August 2010, 09:52:32 »
CHEERS WELLUNG.....!!

But...............  why should it suddenly start to work for no real reason, and if it is fitted, it obviously has a purpose. If I do unplug it, what will stop working?? :-?
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Self confessed Electro-Mechanical nut, Guitarist/Singer and Motorcyclist. Drives an estate due to all the equipment he has to carry,Electrickery fiddler who loves Automatics and BIG Vee engines.

Welung666

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Re: Compressor/air pump noise from n/s/f of engine
« Reply #3 on: 31 August 2010, 10:23:08 »
I've just replied to you PM ;) :y
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