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  1. #1
    skinz's Avatar
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    Temp gauge not working

    My temp gauge has stopped working, I think it could b the thermostat or the temp sender but not sure where these are, any help would b much appreciaated, or if u have any other ideas what it could would help cheers

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  3. #2
    "Stick a V8 in it!"

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    If its the thermostat, the gauge will rise if the cars left idling.

    To test it, drive around for 10mins or so, then park up and leave the engine running for 5 mins. If the gauge comes up the stats gone, if it doesnt its probably the temp sensor.

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
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  4. #3
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    Looks like it's the temp sender, where is it on the AEB engine

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    the dash temp gauge is for the water temp not the oil

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    its on the back of the cylinder head, sticks out of a plastic elbow with a four pin plug on it.

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
    2000 A4 1.8T Sport Quattro Saloon, Black-ish
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  7. #6
    skinz's Avatar
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    cheers found it, had a quick look on fleebay an cant seem to find 1 that matches mine

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    "Stick a V8 in it!"

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    What year is your car?

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
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    1997 S4 - PPC £999 Challenge Track Car Build
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  9. #8
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    n reg 96

  10. #9
    "Stick a V8 in it!"

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    Hmm ETKA is a bit vague.

    Its either 058919501A (black) or 059919501 (blue)

    It suggests the black one is used upto the end of chassis code T, then the blue one is used from V onwards.

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
    2000 A4 1.8T Sport Quattro Saloon, Black-ish
    1997 S4 - PPC £999 Challenge Track Car Build
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  11. #10
    skinz's Avatar
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    the stump bit is really thick and its black (that sounds really wrong lol), all the 1's i've seen are thin

  12. #11
    "Stick a V8 in it!"

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    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
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    1997 S4 - PPC £999 Challenge Track Car Build
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    mine seems to have stopped working for the last week or two aswell, although it climbed to 65c this morning ?? am i looking at a thermostat replacement?

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    nether of them 2 look like mine, ill put a pick up in a bit

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    "Stick a V8 in it!"

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    Murdoch: as i said above, have a drive to get some heat into it then leave it idling for 5-10mins and see if the temp comes up to 90.

    If it does, its the stat.

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
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  16. #15
    skinz's Avatar
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    Can't seem to add pics

  17. #16
    "Stick a V8 in it!"

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    upload them to photobucket or imageshack then post the link here?

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
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  18. #17
    skinz's Avatar
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    At the bottom where it says posting permission it says I'm not aloud 2 add attachments, does that mean I can't put pics on, cause I click when I click on the image icon it don't do anything

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    Mine had similar symptoms. Changed the temp sender and it was fine.

    Also changed the thermostat, just to make sure!
    NEW 6 cylinder 40mm front springs - £40

    PM me for more info

  20. #19
    "Stick a V8 in it!"

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    dont bother trying to upload them to the forum. Upload them to photobucket or image shack and paste in the link.

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
    2000 A4 1.8T Sport Quattro Saloon, Black-ish
    1997 S4 - PPC £999 Challenge Track Car Build
    TD5 Land Rover Defender build


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    Quote Originally Posted by aragorn View Post
    Murdoch: as i said above, have a drive to get some heat into it then leave it idling for 5-10mins and see if the temp comes up to 90.

    If it does, its the stat.
    did so last night, no change in the reading, didn't go above 60c !

  22. #21
    "Stick a V8 in it!"

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    sounds like it could be the sensor then. Do you have climate control?

    If so, press and hold recirc, and press the up arrow, the display will change to 1c, use temp +/- to change it to read 49c then press recirc again.

    The display will then change to show the real coolant temp. See what that shows?

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
    2000 A4 1.8T Sport Quattro Saloon, Black-ish
    1997 S4 - PPC £999 Challenge Track Car Build
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    Went Audi today and took my sensor with me an they said they had 2 order the sensor in and gave me the part no. Which is 058 919 501a which is the 1 u said but it don't look like mine

  24. #23
    "Stick a V8 in it!"

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    could be revised over the years?

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    Quote Originally Posted by aragorn View Post
    sounds like it could be the sensor then. Do you have climate control?

    If so, press and hold recirc, and press the up arrow, the display will change to 1c, use temp +/- to change it to read 49c then press recirc again.

    The display will then change to show the real coolant temp. See what that shows?
    ooh ooh, i like playing with buttons!! I will have a look at it tomorrow cheers

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    had a go with the climate thingy, and it read the same as the gauge, never went above 62c, is that a new sender or thermostat?

  28. #27
    "Stick a V8 in it!"

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    did it sensibly climb up to 62 though?

    Ie start at 10-15c then climb steadily?

    Also, switch the AC off when testing, as with the AC on it runs the radiator fan all the time, and this will further reduce the temperature if the stat is stuck open.

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
    2000 A4 1.8T Sport Quattro Saloon, Black-ish
    1997 S4 - PPC £999 Challenge Track Car Build
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    I don't know, because I only got a chance to set it up at some roadworks, by which time it was up to 62c.Thanks, I will try that tomorrow, and have the ac off too!!

  30. #29
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    i dont have ac i dont think, but my fan is on all the time, should it b on all the time

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    Yes, the temp climbed steady to 65c, then fluctuated between 62-57c with all heating etc off, I lifted the bonnet whilst it was idling at the end of the journey, and noticed the fan was continuously on, is that normal?
    Skinz, sorry to jump on your thread, i thought it would be a good idea to keep it all in one, as it's effectively the same problem.
    Aragorn, thanks for helping !

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    No worries bud if it helps u out as well, I've got my mot coming up so just trying to get everything sorted for that, got my wish bones, ABS sensor an cv boot to sort out next, I'm hoping that's it all sorted for mot then

  33. #32
    "Stick a V8 in it!"

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    Which fan?

    There are two. One large fan bolted to the engine and driven by the aux belt, and a smaller electric one.

    The big fan runs all the time, but has a viscous coupling and should only run slowly with the car at normal temperatures. The small electric fan should only run when the coolant temp is over 95c or when the AC is on.

    It does sound like the thermostat, especially if the bits where it dropped lower than 65 where high speed low load, like crusing on the motorway. Its odd that it wont climb when idling, but i guess if the stat was really jammed open the fan may well be drawing enough air thru the rad to keep the temperature from climbing any higher.

    The one last check you could do, would be to use vagcom to compare the ECU temp reading with the instruments, if they're the same its almost certainly the 'stat.

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
    2000 A4 1.8T Sport Quattro Saloon, Black-ish
    1997 S4 - PPC £999 Challenge Track Car Build
    TD5 Land Rover Defender build


  34. #33
    skinz's Avatar
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    Went an got the temp sensor this mornin an it's all workin again, cheers for ur help (memo to self: don't take out temp sensor when engine is warm :-/

 

 

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