Question about 1999 Audi A4
This only happens when air con/heater is in use. Water seems to be running from near central console below the dash (right hand drive).
Check where the battery is located if its close to the firewall leaves can block up the drains suppose to let rain water out. can over fill and eventually flow in through the heater and cause all sorts of problems it also blows ccu [central control unit] which controlls all electrics and wets the interior carpets
Posted on Nov 30, 2012
Most likly the drain hose for the aircon is dislocated or is blocked up. If upon inspection you find hose still connected then a low preasure air inject into hose may unblock. If you can get a venturi suction on the hose that will extract. some form of vacume pump will do the same. Best to extract any blockage if you can as it will only re-occour
Posted on Nov 28, 2012
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Posted on Jan 02, 2017
If your car has a sunroof, one if the sunroof drains runs down through windshield post down through to bottom of the car. If it gets plugged it will back up into car. If it's coolant you're finding (sticky and smelling like coolant) your heater core is leaking
Posted on Apr 04, 2011
SOURCE: my audi a4 quattro sport
if the leaking is under the car that is normal that is just condensation if it is inside the car under the dash then it is the heater core the core is behind the dashboard
Posted on Jul 08, 2011
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