******** Audi A4 Quattro Wagon (8K5) L4-2.0L Turbo (CAEB) Technical Service Bulletin # 420901 Date: 090602

Suspension - Rear Suspension Rumble/Rattle Noise

42 Rumble or rattle noise from rear

42 09 01

2020759/1

June 2, 2009

Affected Vehicles

Condition

Rumble or rattle noise from the rear wheel suspension.

Technical Background

Loose stone guard on lower trailing arm.

Production Solution

Service

Install improved stone guard with stronger lugs onto rear lower trailing arms.

Warranty

498

Required Parts and Tools

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.

******** Audi A5 Cabriolet (8F7) L4-2.0L Turbo (CAEB) Technical Service Bulletin # 420901 Date: 090602

Suspension - Rear Suspension Rumble/Rattle Noise

42 Rumble or rattle noise from rear

42 09 01

2020759/1

June 2, 2009

Affected Vehicles

Condition

Rumble or rattle noise from the rear wheel suspension.

465

Technical Background

Loose stone guard on lower trailing arm.

Production Solution

Service

Install improved stone guard with stronger lugs onto rear lower trailing arms.

Warranty

Required Parts and Tools

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.

******** Audi A8 Quattro Sedan (4E2) V8-4.2L (BVJ) Technical Service Bulletin # 420901 Date: 090602

Suspension - Rear Suspension Rumble/Rattle Noise

42 Rumble or rattle noise from rear

42 09 01

2020759/1

June 2, 2009

Affected Vehicles

Condition

Rumble or rattle noise from the rear wheel suspension.

Technical Background

Loose stone guard on lower trailing arm.

Production Solution

Service

Install improved stone guard with stronger lugs onto rear lower trailing arms.

Warranty

Required Parts and Tools

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.

******** Audi A6 Sedan (4F2) V6-3.2L (CALA) Technical Service Bulletin # 420901 Date: 090602

Suspension - Rear Suspension Rumble/Rattle Noise

42 Rumble or rattle noise from rear

42 09 01

2020759/1

June 2, 2009

Affected Vehicles

Condition

Rumble or rattle noise from the rear wheel suspension.

Technical Background

Loose stone guard on lower trailing arm.

Production Solution

Service

Install improved stone guard with stronger lugs onto rear lower trailing arms.

305

Warranty

Required Parts and Tools

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.

******** Audi A6 Quattro Sedan (4F2) V6-3.0L SC (CCAA) Technical Service Bulletin # 420901 Date: 090602

Suspension - Rear Suspension Rumble/Rattle Noise

42 Rumble or rattle noise from rear

42 09 01

2020759/1

June 2, 2009

Affected Vehicles

Condition

Rumble or rattle noise from the rear wheel suspension.

Technical Background

Loose stone guard on lower trailing arm.

Production Solution

Service

Install improved stone guard with stronger lugs onto rear lower trailing arms.

360

Warranty

Required Parts and Tools

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.

******** Audi A4 Quattro Sedan (8K2) L4-2.0L Turbo (CAEB) Technical Service Bulletin # 420901 Date: 090602

Suspension - Rear Suspension Rumble/Rattle Noise

42 Rumble or rattle noise from rear

42 09 01

2020759/1

June 2, 2009

Audi A4 Quattro Sedan (8K2) L4-2.0L Turbo (CAEB) Page 494

Affected Vehicles

Condition

Rumble or rattle noise from the rear wheel suspension.

Technical Background

Loose stone guard on lower trailing arm.

Production Solution

Service

Install improved stone guard with stronger lugs onto rear lower trailing arms.

Warranty

Required Parts and Tools

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.

******** Audi A4 Sedan (8K2) L4-2.0L Turbo (CAEB) Technical Service Bulletin # 420901 Date: 090602

Suspension - Rear Suspension Rumble/Rattle Noise

42 Rumble or rattle noise from rear

42 09 01

2020759/1

June 2, 2009

494

Affected Vehicles

Condition

Rumble or rattle noise from the rear wheel suspension.

Technical Background

Loose stone guard on lower trailing arm.

Production Solution

Service

Install improved stone guard with stronger lugs onto rear lower trailing arms.

Warranty

Required Parts and Tools

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.

Audi A4 Quattro Wagon (8K5) L4-2.0L Turbo (CAEB) Technical Service Bulletin # 420901 Date: 090602

Audi A4 Quattro Wagon (8K5) L4-2.0L Turbo (CAEB) Technical Service Bulletin # 420901 Date: 090602

Suspension - Rear Suspension Rumble/Rattle Noise

42 Rumble or rattle noise from rear

42 09 01

2020759/1

June 2, 2009

Affected Vehicles

Condition

Rumble or rattle noise from the rear wheel suspension.

Technical Background

Loose stone guard on lower trailing arm.

Production Solution

Service

Install improved stone guard with stronger lugs onto rear lower trailing arms.

Warranty

498

Required Parts and Tools

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.

Audi A4 Quattro Sedan (8K2) L4-2.0L Turbo (CAEB) Technical Service Bulletin # 420901 Date: 090602

Audi A4 Quattro Sedan (8K2) L4-2.0L Turbo (CAEB) Technical Service Bulletin # 420901 Date: 090602

Suspension - Rear Suspension Rumble/Rattle Noise

42 Rumble or rattle noise from rear

42 09 01

2020759/1

June 2, 2009

Audi A4 Quattro Sedan (8K2) L4-2.0L Turbo (CAEB) Page 494

Affected Vehicles

Condition

Rumble or rattle noise from the rear wheel suspension.

Technical Background

Loose stone guard on lower trailing arm.

Production Solution

Service

Install improved stone guard with stronger lugs onto rear lower trailing arms.

Warranty

Required Parts and Tools

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.

Audi A4 Sedan (8K2) L4-2.0L Turbo (CAEB) Technical Service Bulletin # 420901 Date: 090602

Audi A4 Sedan (8K2) L4-2.0L Turbo (CAEB) Technical Service Bulletin # 420901 Date: 090602

Suspension - Rear Suspension Rumble/Rattle Noise

42 Rumble or rattle noise from rear

42 09 01

2020759/1

June 2, 2009

494

Affected Vehicles

Condition

Rumble or rattle noise from the rear wheel suspension.

Technical Background

Loose stone guard on lower trailing arm.

Production Solution

Service

Install improved stone guard with stronger lugs onto rear lower trailing arms.

Warranty

Required Parts and Tools

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.

Audi A5 Cabriolet (8F7) L4-2.0L Turbo (CAEB) Technical Service Bulletin # 420901 Date: 090602

Audi A5 Cabriolet (8F7) L4-2.0L Turbo (CAEB) Technical Service Bulletin # 420901 Date: 090602

Suspension - Rear Suspension Rumble/Rattle Noise

42 Rumble or rattle noise from rear

42 09 01

2020759/1

June 2, 2009

Affected Vehicles

Condition

Rumble or rattle noise from the rear wheel suspension.

465

Technical Background

Loose stone guard on lower trailing arm.

Production Solution

Service

Install improved stone guard with stronger lugs onto rear lower trailing arms.

Warranty

Required Parts and Tools

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.