Cooling Sys. - Low Coolant Warning On And Coolant Leaks
19 Radiator leak19 12 28
2028397/1
January 9, 2012.
Affected Vehicles
Condition
^ Low coolant warning on.
^ Coolant leak from radiator.
Technical Background
A leaking cooler for charger air cooling circuit can make the engine radiator appear to be leaking.
Production Solution
Not applicable.
Service
If there is coolant residue on either the cooler for charger air cooling circuit (Figure 1, 13) or engine radiator (Figure 1, 15), please follow below steps:
1. Clean off all coolant residues (use water).
2. Install pump to pressurize coolant system.
3. Bring engine to operating temperature.
4. Pressurize coolant system to 1 bar.
5. Identify which radiator is leaking.
6. Replace leaking radiator.
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.