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  1. #1
    Established Member Two Rings
    Join Date
    Nov 06 2013
    AZ Member #
    128794
    Location
    Melbourne, Australia

    Rad drain plug closed but coolant still leaking out a bit from the tube

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    Hi
    I have a bit of coolant leak out of the drain plug tube, even when i have tighten the drain plug up, what do i need to replace to stop this?
    Thanks
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    350kw@4wheels NM35 Stagea!
    B5 S4 Stage1

  2. #2
    Established Member Four Rings Blazius's Avatar
    Join Date
    Mar 15 2018
    AZ Member #
    415568
    Location
    Romania

    the plug itself, its prolly all mangled up and stuff.
    2000 B5 A4 Avant FWD Manual - S Line - Sport package

    N/A ARG bottom end, AEB Head & other stuff | t3/t4 turbo conversion IN Progress - https://www.audizine.com/forum/showt...rbo-Conversion

  3. #3
    Established Member Two Rings
    Join Date
    Nov 06 2013
    AZ Member #
    128794
    Location
    Melbourne, Australia

    Quote Originally Posted by Blazius View Post
    the plug itself, its prolly all mangled up and stuff.
    Ah i thought so but i couldn't understand the struture/engineer behind it, would you have replacement part number by any chance?
    Thanks
    350kw@4wheels NM35 Stagea!
    B5 S4 Stage1

  4. #4
    Established Member Four Rings Blazius's Avatar
    Join Date
    Mar 15 2018
    AZ Member #
    415568
    Location
    Romania

    Nah , i could get it but tommorow, what year and engine code
    2000 B5 A4 Avant FWD Manual - S Line - Sport package

    N/A ARG bottom end, AEB Head & other stuff | t3/t4 turbo conversion IN Progress - https://www.audizine.com/forum/showt...rbo-Conversion

  5. #5
    Established Member Two Rings
    Join Date
    Nov 06 2013
    AZ Member #
    128794
    Location
    Melbourne, Australia

    Quote Originally Posted by Blazius View Post
    Nah , i could get it but tommorow, what year and engine code
    97 ABC234080 2.6ltr
    Thanks
    350kw@4wheels NM35 Stagea!
    B5 S4 Stage1

  6. #6
    Veteran Member Four Rings
    Join Date
    Sep 24 2010
    AZ Member #
    64817
    Location
    Costa Mesa, SoCal

    There's an O-ring on the stopcock. I had a radiator where the O-ring got torn, and as you're experiencing it leaked coolant from the tube. Could be your issue as well... they don't sell the stopcock separately. You may be able to find a replacement O-ring at an auto parts store or similar.
    2001.5 S4 Avant: Motoza E85 Stage 1+, SSAC HFC DPs + Borla 3" catback, APR bipipe, AWE SMICs, DW300 fuel pump, TTV FW + B7 RS4 clutch, JHM shifter, metal clutch slave + SS line, 2.0T coils, lowered, Aero wipers, SS brake lines, receiving lots of love ($$$)

    2001 Corvette (C5) Z06: just getting started

    2001.5 A4 1.8TQM: gone and missed. Parting out.

  7. #7
    Established Member Two Rings
    Join Date
    Nov 06 2013
    AZ Member #
    128794
    Location
    Melbourne, Australia

    Quote Originally Posted by MetalMan View Post
    There's an O-ring on the stopcock. I had a radiator where the O-ring got torn, and as you're experiencing it leaked coolant from the tube. Could be your issue as well... they don't sell the stopcock separately. You may be able to find a replacement O-ring at an auto parts store or similar.
    you are correct sir, i went to the junkyard, got 1 with an o-ring still intact and voila!!!
    350kw@4wheels NM35 Stagea!
    B5 S4 Stage1

  8. #8
    Established Member Four Rings Blazius's Avatar
    Join Date
    Mar 15 2018
    AZ Member #
    415568
    Location
    Romania

    Quote Originally Posted by tymatk View Post
    you are correct sir, i went to the junkyard, got 1 with an o-ring still intact and voila!!!
    there u go.
    2000 B5 A4 Avant FWD Manual - S Line - Sport package

    N/A ARG bottom end, AEB Head & other stuff | t3/t4 turbo conversion IN Progress - https://www.audizine.com/forum/showt...rbo-Conversion

  9. #9
    Senior Member Four Rings Joe Jr.'s Avatar
    Join Date
    Mar 09 2017
    AZ Member #
    395072
    Location
    Longmont, CO

    i know i'm late, but my experience with leaks on VW/Audi is a bad O ring somewhere....Good you got it taken care of!
    2001 A4 1.8TQM
    2002 VW TDI 5spd



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