Steering - Steering Column Noise When Turning

48 Dynamic steering (1N7) steering column motor noise

48 10 10

2020342/2

September 28, 2010.

Supersedes Technical Service Bulletin Group 48 number 09-05 dated June 4, 2009 for reasons listed below.





AFFECTED VEHICLES





CONDITION

Customers with dynamic steering (1N7) may complain of a rubbing, whirring or motor-type noise from the steering column while turning.

TECHNICAL BACKGROUND

Particles found in the harmonic drive. A new cleaning process to eliminate particles has been introduced.

PRODUCTION SOLUTION

New cleaning process to eliminate particles.

SERVICE

1. Remove lower steering column trim.

2. Disconnect the dynamic steering column motor connector.

3. Retest for noise.

^ If the noise is gone, replace the steering column.

^ If noise is still present, continue diagnosis and submit a Technical Assistance Center ticket.





WARRANTY

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.