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Coolant loss changing Thermostat?????

Discussion in 'A3/S3 Forum (8L Chassis)' started by S3 Dave, Nov 1, 2007.

  1. S3 Dave
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    S3 Dave Now running on Heavy Oil

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    [Nov 1, 2007]
    I have concluded its my Thermostat that's tired after a few days and using A/c No.49. Digital display and Temp gauge are there or there abouts so sender must be OK. Going to change it at the weekend all being well. How much coolant will I loose???? Should a litre of G12 be enough??? The coolant was changed only about a year ago so not going to flush it out!

    Paid just over £15 for stat and O ring, numbers if anyone needs them..........

    038 121 119 B Washer/ O-ring

    050 121 113 C Thermostat

    :icon_thumright:
    #1
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  3. Ian W
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    Ian W Active Member

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    [Nov 1, 2007]
    Wheres the stat on the S3, simple to get to ?
    #2
  4. jbkudos
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    jbkudos Member

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    [Nov 1, 2007]
    where did you get the parts from I need to change mine
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  5. abdus
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    abdus Top Gear VCDS Map User

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    [Nov 1, 2007]
    Open the collant bottle to depressurise the system completely and close it, there will be some loss of coolant, but 1 litre should be fine i guess

    vagparts...or your local dealer
    #4
  6. S3 Dave
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    S3 Dave Now running on Heavy Oil

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    [Nov 1, 2007]
    See previous posts for stat position. Its left hand side of block by alternator. Got the parts from local VW dealer. Will get some G12 when i collect the parts!
    #5

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