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Customer Interest for Power Steering Motor:|481010|Page 7979 > < Hoses to Reservoir, Hydraulic Oil Cooler and Return Line, Installation Locations|Page 7973
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Power Steering Motor: Customer Interest
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.

Customer Interest for Power Steering Motor:|481010|Page 7979 > < Hoses to Reservoir, Hydraulic Oil Cooler and Return Line, Installation Locations|Page 7973