Campaign 21C5 - Replace Turbo Coolant Supply Line

21C5 UPDATE - Replace Coolant Supply Line (NVLW)

21 12 07

2020953/5

February 14, 2012.

Supersedes Technical Service Bulletin Group 21 number 11 - 04 dated July 13, 2011 for reasons listed below.





Affected Vehicles





Condition
This Update has been proactively released to prevent the following condition from occurring in the vehicle:

It is possible that the coolant supply line at the turbocharger may leak on Audi vehicles with 2.0L TFSI engines built within a specific period.

This Update is in effect until removed.

Vehicle must meet all of the following criteria:

^ Procedure is valid only for vehicles that show the 21CS code in the ElsaWeb Campaign/Action Information screen on the day of repair.

^ Vehicle must be within the New Vehicle Limited Warranty.

^ Procedure must be performed within the allotted time frame stated in this Technical Service Bulletin.

^ Procedure must be performed on applicable vehicles in dealer inventory prior to sale.

Technical Background

Production Solution

Service





1. Remove wheel spoiler (Figure 1, 1).





2. Remove front noise insulation (Figure 2, 1).

3. Drain cooling system. See Workshop Manual >> 4-cylinder direct petrol injection engine (1.8 ltr, 2.0 ltr 4- valve turbo) >> Repair group 19 >> Cooling >> Draining and filling cooling system.

4. For greater access to the coolant supply line:





a. Remove turbocharger air recirculation valve N249 (Figure 3, 10).

Tightening torque for bolt (Figure 3, 11): 9 Nm.

b. Detach charge air pressure hose from connection (Figure 3, 14).





5. Remove coolant supply line (Figure 4, 13), including seals (Figure 4, points 8 and 12).

Save the heat shield from the old coolant supply line.

6. Replace coolant supply line (Figure 4, 13), including seals (Figure 4, points 8 and 12).

Transfer the heat shield from the old coolant supply line to the new coolant supply line.

Note:
Without the heat shield, the new hose can be damaged due to excessive heat exposure.

Tightening torques:

^ Bolt (Figure 4, 9): 20 Nm + 45°.

^ Bolt (Figure 4, 10): 9 Nm.

^ Bolt (Figure 4,1 1): 20 Nm + 45°.

7. Refill cooling system.








Warranty








Required Parts and Tools
^ Destroy and properly dispose of removed parts in accordance with local, state and federal/provincial environmental regulations.

^ If you have exhausted your allocated parts and you require additional parts for vehicles affected by this Update but have exceeded your Upper Order Limit, please submit your requests for additional parts via email to [email protected]. Be sure to include the affected VINs with your order. Prior to submitting your request, ensure that each vehicle has the 21C5 code open in ElsaWeb. Your order will be reviewed and processed accordingly.

Additional Information

All parts and service references provided in this Update are subject to change and/or removal. Always check with your Parts Department and service manuals for the latest information.