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Audi A4 coolant leak

  • 08-03-2021 3:50pm
    #1
    Dual wheels
    Registered Users, Registered Users 2 Posts: 738 ✭✭✭


    Was driving along on a short journey yesterday the coolant warning came on opened the bonet coolant was gone, topped up got home and could see it dripping under the car, if I leave the car idle it will empty to well under the min level, no smoke coming out of the exhaust no oil in the coolant tank, any idea what the leak might be?


Comments

  • #2
    Moanin
    Registered Users, Registered Users 2 Posts: 2,136 ✭✭✭Moanin


    It could be a loose pipe somewhere.

    Did you follow the pipe from the coolant expansion bottle to see if you've a loose connection anywhere?


  • #3
    biko
    Registered Users, Registered Users 2 Posts: 81,220 ✭✭✭✭biko


    If you topped up to the Max level just keep an eye on it over the next days/weeks to see if it drops again.


  • #4
    0lddog
    Registered Users, Registered Users 2 Posts: 3,292 ✭✭✭0lddog


    With what did you top it up ?


  • #5
    Dual wheels
    Registered Users, Registered Users 2 Posts: 738 ✭✭✭Dual wheels


    Moanin wrote: »
    It could be a loose pipe somewhere.

    Did you follow the pipe from the coolant expansion bottle to see if you've a loose connection anywhere?

    Yea I can’t see any leak on top only dripping on the ground


  • #6
    hamburg
    Registered Users, Registered Users 2 Posts: 145 ✭✭hamburg


    Dual wheels wrote: »
    Yea I can’t see any leak on top only dripping on the ground
    i gonna say leaking from waterpump behind the cambelt cover.


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  • #7
    Dual wheels
    Registered Users, Registered Users 2 Posts: 738 ✭✭✭Dual wheels


    hamburg wrote: »
    i gonna say leaking from waterpump behind the cambelt cover.

    I got a lad to look at it and he reckons it’s a leak in a pipe but must be in at the back as he couldn’t see it but I got some k seal and hopped it into it and a couple of days later the leak seems to have stopped would it normally take that long to kick in? I had only drove it half an hour each day


  • #8
    hamburg
    Registered Users, Registered Users 2 Posts: 145 ✭✭hamburg


    i guess only time will tell.


  • #9
    Cass
    Moderators, Sports Moderators Posts: 28,696 Mod ✭✭✭✭Cass


    Bit late to the thread but have you checked the coolant flange. A known failure point and will give a steady leak which increases when driving but continues (albeit much slower) when parked up. Had to replace it on my A6.
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  • #10
    Dual wheels
    Registered Users, Registered Users 2 Posts: 738 ✭✭✭Dual wheels


    Cass wrote: »
    Bit late to the thread but have you checked the coolant flange. A known failure point and will give a steady leak which increases when driving but continues (albeit much slower) when parked up. Had to replace it on my A6.

    I threw a tin of k seal into it and it seems to have solved the issue so I think it was a leaky pipe


  • #11
    BavarianCare
    Registered Users, Registered Users 2 Posts: 111 ✭✭BavarianCare


    Dual wheels wrote: »
    Was driving along on a short journey yesterday the coolant warning came on opened the bonet coolant was gone, topped up got home and could see it dripping under the car, if I leave the car idle it will empty to well under the min level, no smoke coming out of the exhaust no oil in the coolant tank, any idea what the leak might be?
    What model?
    Reg?

    Plenty of issues with VAG but varies with model


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