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  1. #1
    Veteran Member Three Rings DrGER's Avatar
    Join Date
    Aug 31 2014
    AZ Member #
    279216
    My Garage
    '17 Audi A4Q 6MT CYMC/RJN, '11 VW GOV TDI 6MT CJAA/LHD
    Location
    NW OH USA

    Switch off engine and check coolant level Warning

    Got a "Switch off engine and check coolant level" warning leaving the office today. Coolant level OK, of course. Appears that the integrated coolant reservoir level sensor can go dodgy over time. FCP sells the OE P/N 8K0121403AC for $76 - probably not worth trying to save a few dollars with an aftermarket tank. Looks easy enough to replace. Still, a pain... --g
    2017 B9 A4Q P+ 2.0T 6MT Daytona Gray. Previous: 2014 B8.5 A4Q P+ 2.0T 6MT Monsoon Gray; 2009 B8 A4Q P+ 2.0T 6MT Brilliant Red; 2005 B6 A4Q 1.8T 6MT Cambridge Green; 1995 B4 A90Q V6 5MT Pearl White; 1990 B3 A80Q I5 5MT Crystal Silver; 1984 C3 5000S I5 5MT Montego Black; 1978 C2 5000 I5 4AT Helios Blue; 1977 C1 100LS I4 4AT Signal Green; 1974 B1 Fox I4 4AT Sahara Sand.

  2. #2
    Veteran Member Four Rings
    Join Date
    Dec 01 2020
    AZ Member #
    575541
    Location
    2014 Q5 2.0T

    Be sure there’s no coolant migration from the integrated sensor

  3. #3
    Veteran Member Four Rings Theiceman's Avatar
    Join Date
    Feb 15 2016
    AZ Member #
    368804
    My Garage
    2006 A4Q, 1978 911 Targa, 2006 Jetta TDI
    Location
    Cambridge,Ontario

    Quote Originally Posted by DrGER View Post
    Got a "Switch off engine and check coolant level" warning leaving the office today. Coolant level OK, of course. Appears that the integrated coolant reservoir level sensor can go dodgy over time. FCP sells the OE P/N 8K0121403AC for $76 - probably not worth trying to save a few dollars with an aftermarket tank. Looks easy enough to replace. Still, a pain... --g
    pump the old stuff out, its expensive lol.
    2014 A4 2.0TQ Technik Manual
    2006 A4 2.0TQ Manual
    1978 Porsche 911SC Targa
    1976 Yamaha XS 360
    Note: PMs disabled, please keep requests for technical help on the forums to benefit everyone:

  4. #4
    Veteran Member Three Rings DrGER's Avatar
    Join Date
    Aug 31 2014
    AZ Member #
    279216
    My Garage
    '17 Audi A4Q 6MT CYMC/RJN, '11 VW GOV TDI 6MT CJAA/LHD
    Location
    NW OH USA

    @silver_tt : No coolant loss from the system that I can discern -- cold coolant level in tank is constant.

    @Theiceman : Running that experiment is a reasonable idea if I can source a bottle of G13 locally in the next few days. --g
    2017 B9 A4Q P+ 2.0T 6MT Daytona Gray. Previous: 2014 B8.5 A4Q P+ 2.0T 6MT Monsoon Gray; 2009 B8 A4Q P+ 2.0T 6MT Brilliant Red; 2005 B6 A4Q 1.8T 6MT Cambridge Green; 1995 B4 A90Q V6 5MT Pearl White; 1990 B3 A80Q I5 5MT Crystal Silver; 1984 C3 5000S I5 5MT Montego Black; 1978 C2 5000 I5 4AT Helios Blue; 1977 C1 100LS I4 4AT Signal Green; 1974 B1 Fox I4 4AT Sahara Sand.

  5. #5
    Veteran Member Four Rings Theiceman's Avatar
    Join Date
    Feb 15 2016
    AZ Member #
    368804
    My Garage
    2006 A4Q, 1978 911 Targa, 2006 Jetta TDI
    Location
    Cambridge,Ontario

    Quote Originally Posted by DrGER View Post
    @silver_tt : No coolant loss from the system that I can discern -- cold coolant level in tank is constant.

    @Theiceman : Running that experiment is a reasonable idea if I can source a bottle of G13 locally in the next few days. --g
    I have a ww pump I got from a wreckers and a 12v plug in supply from some old technology I've had for years. Works great for this stuff.

    Sent from my SM-G973W using Audizine Forum mobile app
    2014 A4 2.0TQ Technik Manual
    2006 A4 2.0TQ Manual
    1978 Porsche 911SC Targa
    1976 Yamaha XS 360
    Note: PMs disabled, please keep requests for technical help on the forums to benefit everyone:

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