Cooling System - Coolant Leak at Water Pump and Hose Area

19 Coolant leak at connection of water pump and hose leading to the heater core

19 13 36

2033491/1

April 15, 2013





Vehicle Information

Condition

Customer may report coolant leaking from the engine area.

Technical Background





The leak can be traced to the connection of the water pump and the hose leading to the heater core (Figure 1). The seal ring is not the cause of the leak.

Production Solution

Not applicable.

Service

1. Visually inspect the area of the suspected coolant leak.





2. Classify suspected coolant leak as Category 1, Category 2, or Category 3, according to the Categorization of Leaks table included in the Audi Warranty Policies and Procedures Manual.

If the leak falls into Category 1 or Category 2, proceed as instructed by the table. If the leak falls into Category 3, proceed to step 3.

3. After confirming that the leak is a category 3 leak, take a photograph of the leak (use leak talcum spray if necessary) and attach a printout of the photograph to your warranty paperwork.

4. Replace the water pump (06H121026CF), seal ring (N 90365302), and the hose to the heater core (06H121065D).

Note:

Replacing only the seal ring may not prevent the leak from reoccurring.





Warranty





Required Parts and Tools

Additional Information

The following repair procedures will be necessary to complete this procedure:

^ Repair Manual >> Engine >> Engine Mechanical >> 19 Cooling System >> Removal and Installation >> Coolant Pump

^ Repair Manual >> Engine >> Engine Mechanical >> 19 Cooling System >> Removal and Installation >> Small Coolant Pipe

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.