Steering/Suspension - Front End Cracking/Rubbing Noises
42 Loud cracking or rubbing noises when steering40 12 24
2021724/3
June 6, 2012.
Supersedes Technical Service Bulletin Group 40 number 10 - 03 dated April 1, 2010 for reasons listed below.
Affected Vehicles
Condition
Loud cracking or rubbing noises when turning steering wheel.
Steering is not affected and will operate normally.
Technical Background
^ While steering, the shock absorber stop can chafe on the plastic cap of the suspension strut.
^ If the vehicle is lifted up, the noise disappears.
^ The boot is not properly secured / installed, or is deformed.
Production Solution
Change in production.
Service
Tip: Please ensure this TSB is performed prior to replacing any additional components, such as suspension strut mountings, springs or steering racks. Failure to properly complete this bulletin may cause claim(s) to be ineligible for reimbursement.
1. Brush silicon grease G 000 405 A2 on the contact surface of the plastic cap of the suspension strut.
2. Attach the boot correctly on the slots of the upper mounting and the bottom of the damper. Slight deformations of the boot can be pressed out at room temperature.
If you need further technical assistance, contact the Audi Technical Assistance Center (TAC).
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.