Steering - Front Of Vehicle Rattle Noise On Bumpy Roads

TECHNICAL

Bulletin No.: 09-02-34-002

Date: August 18, 2009

Subject: Rattle Noise in Front of Vehicle on Bumpy Roads (Adjust Yoke on Rack and Pinion Steering Gear)

Models:
2004-2010 Chevrolet Aveo
2005-2010 Pontiac G3, G3 Wave

Condition

Some customers may comment on a rattle noise from the front of vehicle on bumpy roads.

Cause

This condition may be caused by excessive clearance in the steering gear.

Correction

Note
When tightening the yoke plug lock nut, take care not to use excessive torque as this has the possibility to cause damage to the power steering gear. A new torque specification for the yoke plug lock nut of 30 Nm (22 lb ft) has been released.

1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle.
2. Ensure the steering wheel and the front wheels are in the straight ahead position.
3. Remove the steering gear. Refer to Steering Gear Replacement in SI.





4. Loosen the locknut (1).





Caution
Refer to Fastener Caution in the Preface section.

5. Using the GE-49210 tool, tighten the yoke plug (2) to 5 Nm (44 lb in).
6. Loosen the yoke plug by 45 degrees.





7. Hold the yoke plug stationary and tighten the locknut (1) to 30 Nm(22 lb ft).
8. Install the steering gear. Refer to Steering Gear Replacement in SI.
9. Drive the vehicle and ensure the steering system returns to the straight ahead position.

Warranty Information





For vehicles repaired under warranty, use the table above.





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