This bulletin is being revised to add the 2005 Malibu, the 2005 Pontiac G6 and update the steering column part number. Please discard Corporate Bulletin Number 04-02-35-009 (Section 02 -- Steering Wheel and Column).
Some customers may comment on any of the following concerns:
Technicians may find the following diagnostic trouble codes:
These conditions may be caused by excessive clearance between the assist gears or by a failure of the torque sensor in the steering column.
Perform the following check as an aid in diagnosing a steering column noise. With the engine running and the vehicle not moving, turn the steering wheel rapidly back and forth an inch or two off center and listen for a click or rattle noise inside the steering column. If these noises are present, it may indicate excessive clearance between the gears inside the steering column.
Technicians are to install a new steering column kit, P/N 15926870, to correct the conditions listed above. Refer to the Steering Column Replacement procedure in the Steering section of SI.
Column Assembly, Steering