Audi Q7 Quattro Technical 391212 Date: 120612 Drivetrain - Squeal Or Howl At Low Speeds When Cold 39 Squealing or howling noise from under vehicle at lower speeds and when cold 39 12 12 2028902/2

 Audi Q7 Quattro Technical 391212 Date: 120612
Drivetrain - Squeal Or Howl At Low Speeds When Cold
39 Squealing or howling noise from under vehicle at lower speeds and when cold
39 12 12
2028902/2
 Audi Q7 Quattro 99
June 12, 2012.
Supersedes Technical Service Bulletin Group 39 number 12 - 10 dated March 7, 2012 for reasons listed below.
Affected Vehicles
Condition
Customer may report squealing or howling noise from under vehicle. This is usually with vehicle cold and at speeds from 5 - 40 mph.
Technical Background
Not applicable.
Production Solution
Lubrication of intermediate bearing was increased, and further clearance was achieved of the shaft extension.
Service
Verify the noise is coming from the intermediate bearing of the propeller shaft using chassis ears or similar listening device.
If noise is coming from the intermediate bearing, replace the propeller shaft following the procedure from ELSA.
Test drive and verify the noise is no longer present.
 Audi Q7 Quattro 100
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.