Audi Q7 Quattro Technical 871122 Date: 110822
A/C - System Is Inoperative
87 - Air conditioning does not work
87 11 22
2027331/1
August 22, 2011.
Affected Vehicles
Audi Q7 Quattro 197
Condition
Air conditioning does not work.
Technical Background
The refrigerant pipe is corroded through in the area of the front left wheel arch clips. Corrosion occurs between the clip and the aluminum pipe.
Production Solution
Optimized refrigerant pipes with shrink-fit hose were introduced into production.
Service
1. Check the refrigerant pipe for corrosion marks under the clips in the area of the front left wheel arch.
2. If there are corrosion marks, replace the refrigerant pipe.
3. After fitting and refilling the system, check the cooling performance according to the Guided Fault Finding.
Warranty
Required Parts and Tools
Audi Q7 Quattro 198
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.
A/C - System Is Inoperative
87 - Air conditioning does not work
87 11 22
2027331/1
August 22, 2011.
Affected Vehicles
Audi Q7 Quattro 197
Condition
Air conditioning does not work.
Technical Background
The refrigerant pipe is corroded through in the area of the front left wheel arch clips. Corrosion occurs between the clip and the aluminum pipe.
Production Solution
Optimized refrigerant pipes with shrink-fit hose were introduced into production.
Service
1. Check the refrigerant pipe for corrosion marks under the clips in the area of the front left wheel arch.
2. If there are corrosion marks, replace the refrigerant pipe.
3. After fitting and refilling the system, check the cooling performance according to the Guided Fault Finding.
Warranty
Required Parts and Tools
Audi Q7 Quattro 198
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.
