A3 L4-2.0L Turbo (BPY) (2006)
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Thermostat Housing: All Technical Service Bulletins
Cooling System - Coolant Leak From Coolant Flange
19 Coolant leak from coolant flange
19 10 09
2018769/2
August 2, 2010
Supersedes Technical Service Bulletin Group 19 number 08-07 dated October 27, 2008 for reasons listed below.
Affected Vehicles
Condition
Coolant leak under hood from engine coolant flange.
Technical Background
The coolant leak is caused by the sealing O-ring for the coolant flange.
Production Solution
Improvement in the material of the sealing O-ring for the coolant flange.
Service
For A3 models:
In the procedure below, you will replace the sealing O-ring for the coolant flange.
