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Thread: Coolant leak - Culprit is the Coolant inlet valve seal

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  1. Coolant leak - Culprit is the Coolant inlet valve seal 
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    My car was back with the dealership this week, with a coolant leak. I was constantly having to top up the coolant every 4-5 days.

    I couldnt see any any obvious signs of leaks when looking from above, or on the drive, but Audi have shown me on the Audi cam and the leak is visible from underneath the car. They have diagnosed it as the seal in the coolant inlet valve. Apparantley there is a TPI on this.

    Despite having Audi Extended warranty, this was not covered bizarrely. Apparantley if it was a valve failure then it would have been covered but since it was a seal it was not!

    anyway the dealership have said they would cover the cost since the car is regularly serviced by them.

    Hopefully pick the car up today. The loan car Q7 50 tdi (which I didnít even know existed) was nice
     
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  2. Re: Coolant leak - Culprit is the Coolant inlet valve seal 
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    On my car they discovered a coolant leak as well after I had to top it up with over 2 liters in one month... not sure if it is a seal or the valve itself, but itís an 8 hour job and gets done next week (covered by warranty).


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  3. Re: Coolant leak - Culprit is the Coolant inlet valve seal 
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    Sounds like the same issue. Covered by warranty hence the TPI.
     
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  4. Re: Coolant leak - Culprit is the Coolant inlet valve seal 
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    Does anyone know what models are impacted by the TPI?

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  5. Re: Coolant leak - Culprit is the Coolant inlet valve seal 
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    The ones that have a leak, keep an eye on the coolant level. And when its about 5cm below min level you will get a red warning on the dash.
     
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  6. Re: Coolant leak - Culprit is the Coolant inlet valve seal 
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    That's useful. I've had to do a top-up twice in the last few months. Not sure I've a leak but I'm certainly going to check/keep a close eye on it now.

    Do you know the TPI number?

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  7. Re: Coolant leak - Culprit is the Coolant inlet valve seal 
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    Then car shouldn’t use coolantbat all, if your topping up you have a leak. Suggest getting it into Audi mate.
     
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  8. Re: Coolant leak - Culprit is the Coolant inlet valve seal 
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    Quick update, turns out it is the coolant shut off valve and it’s on back order from Germany.

    2 weeks wait.
     
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  9. Re: Coolant leak - Culprit is the Coolant inlet valve seal 
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    Dealership managed to source a valve locally and was supposed to pick car up yesterday however they said the front Pre sense light was on.
    This has been blamed on a aftermarket screen fitted to the vehicle which I wasn’t aware of!

    i pointed out that the Pre-sense light was not on when I dropped the vehicle off, or has it ever been on before. I suspect the dealership have done something whilst it’s been in. They have said that they never went near the windscreen mounted Pre sense camera!

    i have been into the front camera/rear mirror housing about 6 months ago to put the loom in for power for the dashcam, but it’s just a bit suspicious that the light has never been on before and it has just come on.

    Anyway they kept the car for investigations as I was not happy.
     
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  10. Re: Coolant leak - Culprit is the Coolant inlet valve seal 
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    Anyone else had random yellow front Pre-sense come on?
     
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