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  1. #1
    audi-a6's Avatar
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    after run fan question

    I think mine is being weird, as normally after a long run, you can here the fan come on after turning engine off, but sometimes it a quiet fan noise, other times it sounds like its taking off!! but today i drove the car less than 5 minutes, turned the engine off and the fan cut in at its highest speed, stayed on for around a minute, then cut off, then about 20 seconds later, came back on again and done this for about 10-15 minutes, surely this aint right??????
    Audi a6 2.7 bi-turbo, spax coilovers, 3SDM 19" 10j alloys, full turbo back twin exhaust with RS6 style exits, HID's, DRL's, over sized RS6 spoiler, stage 2 remap, RS4 K&N, Infinity 6x9, infinity door speakers, orion hcca 15 in custom enclosure 1 x hifonics brx2000.1 amp and 2 x hifonics brx 640.4 amps, 2 x yellow top batterys, RS4 turbos, inlet pipes, stage 2 clutch


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  3. #2
    audi-a6's Avatar
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    any one? :-)
    Audi a6 2.7 bi-turbo, spax coilovers, 3SDM 19" 10j alloys, full turbo back twin exhaust with RS6 style exits, HID's, DRL's, over sized RS6 spoiler, stage 2 remap, RS4 K&N, Infinity 6x9, infinity door speakers, orion hcca 15 in custom enclosure 1 x hifonics brx2000.1 amp and 2 x hifonics brx 640.4 amps, 2 x yellow top batterys, RS4 turbos, inlet pipes, stage 2 clutch


  4. #3
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    I want your faulty electronics

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    That don't sound right.

    What car and engine?
    Is it the one in your sig?
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  5. #4
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    Yeah, c5 a6 2.7t
    Audi a6 2.7 bi-turbo, spax coilovers, 3SDM 19" 10j alloys, full turbo back twin exhaust with RS6 style exits, HID's, DRL's, over sized RS6 spoiler, stage 2 remap, RS4 K&N, Infinity 6x9, infinity door speakers, orion hcca 15 in custom enclosure 1 x hifonics brx2000.1 amp and 2 x hifonics brx 640.4 amps, 2 x yellow top batterys, RS4 turbos, inlet pipes, stage 2 clutch


  6. #5
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    It's really wierd, today I drove 15 mile, stopped and then fan came on like it should (quiet) then 1 hr later had to move car about 400 yards, stopped and fan came on in take off mode..... On .... Off.... On. Ect
    Audi a6 2.7 bi-turbo, spax coilovers, 3SDM 19" 10j alloys, full turbo back twin exhaust with RS6 style exits, HID's, DRL's, over sized RS6 spoiler, stage 2 remap, RS4 K&N, Infinity 6x9, infinity door speakers, orion hcca 15 in custom enclosure 1 x hifonics brx2000.1 amp and 2 x hifonics brx 640.4 amps, 2 x yellow top batterys, RS4 turbos, inlet pipes, stage 2 clutch


  7. #6
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    is there any way this could be linked to my boost problem i have, mentioned in an other topic?
    Audi a6 2.7 bi-turbo, spax coilovers, 3SDM 19" 10j alloys, full turbo back twin exhaust with RS6 style exits, HID's, DRL's, over sized RS6 spoiler, stage 2 remap, RS4 K&N, Infinity 6x9, infinity door speakers, orion hcca 15 in custom enclosure 1 x hifonics brx2000.1 amp and 2 x hifonics brx 640.4 amps, 2 x yellow top batterys, RS4 turbos, inlet pipes, stage 2 clutch


  8. #7
    ScottD3's Avatar
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    I got no idea.
    Sorry.

    I assume the A6 section is really that quiet?

    Have you asked the B6 lot?
    It might be something they can help with if its closer to their age of cars?
    A4 B5 Double Din, RNS-d, TMC, Full Sports Leather Heated with Leather Door Cards and Lower Door trims all for sale.

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  9. #8
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    yeah its quiet, i posted here as the engines are the same as the s4........ will give a go though
    Audi a6 2.7 bi-turbo, spax coilovers, 3SDM 19" 10j alloys, full turbo back twin exhaust with RS6 style exits, HID's, DRL's, over sized RS6 spoiler, stage 2 remap, RS4 K&N, Infinity 6x9, infinity door speakers, orion hcca 15 in custom enclosure 1 x hifonics brx2000.1 amp and 2 x hifonics brx 640.4 amps, 2 x yellow top batterys, RS4 turbos, inlet pipes, stage 2 clutch


  10. #9
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    Quote Originally Posted by audi-a6 View Post
    yeah its quiet, i posted here as the engines are the same as the s4........ will give a go though
    Fair shout.

    Sorry I can't help any more.
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  11. #10
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    okay. An up date, this morning i started the car and only had it running for about 5 min, turned it off and the fan cut in as usual, full blast!!! then i noticed some smoke at the back of the engine that i worked out was only happening when the after run fan was on (fast or slow) so i took of the 'y' pipe to get a better view and this is what i found




    this is located at the back of the head, so you can get a rough idea of where it is above it are 3 pipes vacum for fuel pressure reg, vacume for brake servo and another random pipe, so what is this part? and why has/is it melting when the engine is off and the after run fan is on???
    Last edited by audi-a6; 13th May 2012 at 14:59.
    Audi a6 2.7 bi-turbo, spax coilovers, 3SDM 19" 10j alloys, full turbo back twin exhaust with RS6 style exits, HID's, DRL's, over sized RS6 spoiler, stage 2 remap, RS4 K&N, Infinity 6x9, infinity door speakers, orion hcca 15 in custom enclosure 1 x hifonics brx2000.1 amp and 2 x hifonics brx 640.4 amps, 2 x yellow top batterys, RS4 turbos, inlet pipes, stage 2 clutch


  12. #11
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    i think it may be this (look for part #13)

    Audi a6 2.7 bi-turbo, spax coilovers, 3SDM 19" 10j alloys, full turbo back twin exhaust with RS6 style exits, HID's, DRL's, over sized RS6 spoiler, stage 2 remap, RS4 K&N, Infinity 6x9, infinity door speakers, orion hcca 15 in custom enclosure 1 x hifonics brx2000.1 amp and 2 x hifonics brx 640.4 amps, 2 x yellow top batterys, RS4 turbos, inlet pipes, stage 2 clutch


  13. #12
    ScottD3's Avatar
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    What is that part or part number?
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  14. #13
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    Its the afterrun pump. Circulates water around the engine/turbos after shutdown.

    The fan thing you mention could be due to a faulty fan controller, but i'd fix that pump first.

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  15. #14
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    So I need a new afer run pump and loom plug? Where is the fan controller located? And do you think it's just a faulty pump causing the melted plug? Or could it be something worse? As I don't want to change it and then the new one melts as well?
    Audi a6 2.7 bi-turbo, spax coilovers, 3SDM 19" 10j alloys, full turbo back twin exhaust with RS6 style exits, HID's, DRL's, over sized RS6 spoiler, stage 2 remap, RS4 K&N, Infinity 6x9, infinity door speakers, orion hcca 15 in custom enclosure 1 x hifonics brx2000.1 amp and 2 x hifonics brx 640.4 amps, 2 x yellow top batterys, RS4 turbos, inlet pipes, stage 2 clutch


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    "Stick a V8 in it!"

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    plug doesnt look melted to me, its just covered in crystallised coolant.

    If it IS melted then a new plug and new pump should fix it.

    AFAIK you can use the pump from some vauxhall instead of the Audi one.

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  17. #16
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    Quote Originally Posted by aragorn View Post
    plug doesnt look melted to me, its just covered in crystallised coolant.

    If it IS melted then a new plug and new pump should fix it.

    AFAIK you can use the pump from some vauxhall instead of the Audi one.
    Oh really? dont suppose you know which one and yeah plug is defo melted :-(
    Audi a6 2.7 bi-turbo, spax coilovers, 3SDM 19" 10j alloys, full turbo back twin exhaust with RS6 style exits, HID's, DRL's, over sized RS6 spoiler, stage 2 remap, RS4 K&N, Infinity 6x9, infinity door speakers, orion hcca 15 in custom enclosure 1 x hifonics brx2000.1 amp and 2 x hifonics brx 640.4 amps, 2 x yellow top batterys, RS4 turbos, inlet pipes, stage 2 clutch


  18. #17
    audi-a6's Avatar
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    Audi a6 2.7 bi-turbo, spax coilovers, 3SDM 19" 10j alloys, full turbo back twin exhaust with RS6 style exits, HID's, DRL's, over sized RS6 spoiler, stage 2 remap, RS4 K&N, Infinity 6x9, infinity door speakers, orion hcca 15 in custom enclosure 1 x hifonics brx2000.1 amp and 2 x hifonics brx 640.4 amps, 2 x yellow top batterys, RS4 turbos, inlet pipes, stage 2 clutch


 

 

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