Cooling System - Coolant Leak At Coolant Flange O-Ring
19 Small coolant leak at flange O-ring - Repair Authorization19 10 01
2023463/1
May 19, 2010
Affected Vehicles
Condition
Small amounts of coolant may sweat or leak at the O-ring on the coolant flange located at the rear of the engine.
Technical Background
In an effort to gain information on the condition described above, we are asking that you contact the Audi Technical Assistance Center (TAC) before replacing any parts. This will assist us in diagnosing any potential issues with the condition noted above.
Production Solution
Not applicable.
Service
Audi of America is requesting your cooperation in supplying us with technical information regarding this condition.
1. Verify a leak is present at the O-ring located on the coolant flange at the back of the engine (see Figures 1, 2).
2. If the vehicle is within the New Vehicle Limited Warranty, contact a TAC consultant before proceeding. Please attach the DTC and diagnostic log to the TAC ticket.
Warranty
This TSB is informational only and not applicable to any Audi warranty.
Additional Information
All parts and service references provided in this TSB are subject to change and/or removal. Always check with your Parts Department and service manuals for the latest information.