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  1. #1
    Danman1's Avatar
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    Quick question about my S3

    I have a 2002 S3 and after i've turned the engine off i've noticed the small pump at the front of the engine doesnt make the usual noise it does like it used to. Should this always run for a short time after i've turned the engine off or is it dependent on something else? Also I read in the stickies it's a common fault to go, how much am I looking at for a new one?

    Cheers

    Dan

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  3. #2
    Westy's Avatar
    Double Dark Side! Diesel & 8P

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    This should always run after the car has been on as it pumps coolant round the turbo to cool it down. The most common thing to happen is the fuse blows. AFAIK it's the green fuse on the left of the 3 that are situated on top of the battery. It's a 30amp.
    8P A3 TDI - 220bhp - 335lbft
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  4. #3
    jojo's Avatar
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    In can confirm that the pump runs even after I just move my car on my drive.


    99' Audi S3(APY) - Brilliant Black Click>>>Going Sideways vid!
    You've got to have a laugh!



  5. #4
    Jimgrim77's Avatar
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    Mine runs as I turn the ignition over and for about 20 mins post drive to cool turbo.

    Fuse problem likely of connection.

    Easy fix and sort for turbo longevity.

    Ming Blue S3, Stage 3 Hybrid Turbo, Custom Map, Bosch 480 injectors, Custom TIP, Forge FMIC, 3" Downpipe, 200 Cell Sport CAT, Full Stainless, XS Power Mani, 6 Paddle Clutch, Red silicone hoses, LCR Brembo's, Forge 007p, KW Suspension Kit, Green filter, THS Mounts, 11mm & 16mm spacers, H&R Anti-roll bars, RS6 18" alloys, Michelin PS3's, Red Dog Bone Mount, Neuspeed quickshift, Boost Gauge, Aero wipers, LCR splitter, Forge Tie-bars, LED bulbs, Armrest, Custom TT pedals.

  6. #5
    Westy's Avatar
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    Oh I forgot to add. If it's the fuse then it will also effect the radiator fans that cut in at 100 degrees.
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  7. #6
    Danman1's Avatar
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    cheers guys, better sort it asap then.

  8. #7
    Danman1's Avatar
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    Alright i've had a look and this is what i've got:





    the fuses 'look' ok, without getting a multimetre on them I can't be 100% sure. So the far left one is the pump one?

    Dan

  9. #8
    Westy's Avatar
    Double Dark Side! Diesel & 8P

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    Take the left one out mate. Mine looked fine till I took it out and the contacts were frazzled.
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  10. #9
    Danman1's Avatar
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    Alright cheers Westy, what would be my next step if the fuses are OK?

    Dan

  11. #10
    jojo's Avatar
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    Quote Originally Posted by Danman1 View Post
    Alright cheers Westy, what would be my next step if the fuses are OK?

    Dan
    Check if power is going to the circulating pump? If so, then pump is fubar'd!


    99' Audi S3(APY) - Brilliant Black Click>>>Going Sideways vid!
    You've got to have a laugh!



  12. #11
    Danman1's Avatar
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    Ok, so I volt metered the pump and fuses and no power was going to the pump so the fuses must be the issue, changed the fuses and bam, its back on. Quick pic of the fuse, looked fine....





    Cheers everyone for your help.

    Dan

  13. #12
    Westy's Avatar
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    Exactly the same as mine mate, hence why I told you to remove the fuse
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  14. #13
    Nilz's Avatar
    Defo worth the wait :)

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    Nice, quick and easy fix there dude

  15. #14
    Danman1's Avatar
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    Quote Originally Posted by Nilz View Post
    Nice, quick and easy fix there dude
    yeah, was expecting a ball ache of a job but turned out to be an easy fix, I was like it can't be this easy...

  16. #15
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    lol, 9 times out of 10 it isnt an easy fix....... that was your 1 easy fix......... sooooo theres 9 ball ache things to fix in your not too distant future.

    might be an idea to measure the resistance on the coolant pump. might be pulling too much current, hence the marks on the blades of the fuse? ive seen those fuse holders all melted round the fuses from components they supply being faulty.

 

 

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