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Thermostat

Discussion in 'A4/A4 cabriolet/S4 forum(B6 chassis)' started by neil20vt, Oct 29, 2006.

  1. neil20vt
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    neil20vt Member

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    Hi,does anybody know where the thermostat is located on the B6 1.8T,or if there is any guides on the replacement of it ? Trying to get to the bottom of my dicky temp guage problem!!!

    Cheers Neil
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  2. AwesomeSarah
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    AwesomeSarah Member

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    Hi Neil
    A common problem on that engine is the coolant temp sensor.
    They go down for fun.
    I would not think that the thermostat is at fault , you dont get many problems with them , but the coolant temo sensor will read how hot the engine is and let the temp guage know and it will alos let the engine run rich as it will adjust the fuelling to suit.
    I believe that it is mounted in the thermostat housing though , and I am sorry I dont know where that is
    Sarah
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  3. neil20vt
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    neil20vt Member

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    Hi thanks for that,i know someone on here recently posted a guide for the diesel engine but i didn't know if this also applied to the 1.8T???

    Cheers Neil
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  4. AwesomeSarah
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    AwesomeSarah Member

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    Hi Neil
    Will be about the same yes
    Sarah
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  5. nivagh
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    nivagh Member

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    Anybody care to venture an opinion on how easy a job it is - Audi dealership want over 200 notes for the work - say it needs a new thermostat housing...
    pm please - thanks
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  6. ianpic
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    ianpic New Member

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    What's the temp actually doing?
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  7. nivagh
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    nivagh Member

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    Had a problem for about three weeks - for the first few days it got to 70 and sat, most of the time since then it has not really got more than a faction above 50. Fuel economy has gone through the floor.
    It's a 2002 2.0
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  8. ianpic
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    ianpic New Member

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    Defo sounds like the thermostat. The stat should be closed when the water temp is cold thus stopping water flowing through the radiator. Sounds like yours is opening too early so its cooling the water too much and not letting your engine reach its normal operating temp.
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  9. ianpic
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    ianpic New Member

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    Forgot to say that I changed mine on my 1.8T (AGU) Golf in about 1 hour and cost £12 from GSF. Not sure if it's similar on the Audi. I've got the 163bhp 1.8T in my A4 but haven't looked if it's the same.
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