Power Steering Motor: Service and Repair

Power Steering Assist Motor Replacement

Removal Procedure

1. Cover the carpet in order to capture any lubricant that may drip from the steering column or the power steering assist motor.
2. Remove the steering column opening filler. Refer to Steering Column Opening Filler Replacement Service and Repair.
3. Note the location and the routing of the tie strap that holds the power steering assist motor wires to the steering column.
4. Remove the tie strap from the steering column.

Discard the tie strap.

5. Disconnect the power steering assist motor electrical connector.






Important: The bolts that secure the power steering assist motor to the steering column have a 12 mm hex head.

6. Use a 12 mm socket in order to remove the power steering assist motor upper bolt (1).






7. Use a 12 mm socket in order to remove the power steering assist motor lower bolt (1).
8. Remove the power steering assist motor (2).






Important: The worm shaft spline and the steering column housing must be clean and free from lubricant before continuing the motor service procedure.

Important: Do not use any solvent based cleaners to remove the lubricant. Only use lint free cotton cloth or equivalent to clean the area.

9. Use a lint free cotton cloth or equivalent in order to remove all remaining lubricant from the steering column worm shaft spline (1) and the steering column housing (2).
10. Use a lint free cotton cloth or equivalent in order to remove all remaining lubricant from the power steering assist motor.

Installation Procedure






Important: Only use the lubricant provided with the new power steering assist motor. Use all of the lubricant supplied with the kit.

1. Apply the lubricant into the opening of the power steering assist motor shaft. Wipe off any excess lubricant that is not on the inside of the shaft.






2. Ensure that the NEW power steering assist motor O-ring seal (1) is properly seated on the power steering assist motor.

Important: The power steering assist motor should engage evenly and with ease. If the motor will not engage the steering column then remove the motor and try again. Do not force the motor and the steering column together.

3. Install the power steering assist motor to the steering column with the wire harness facing upwards and towards the front of the vehicle.

Important: Do not apply any side load to the power steering assist motor while torquing the bolts, or you may induce a noise or a vibration. If a noise or a vibration emanates from the steering column, remove and install the motor again.

4. While holding the motor in place, install and finger tighten the 2 power steering assist motor bolts.

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

5. Tighten the 2 power steering assist motor bolts evenly, alternating between the 2 bolts, until you reach the specification.

Tighten
Tighten the bolts to 19 Nm (14 lb ft).

6. Connect the power steering assist motor electrical connector.
7. Install the NEW tie strap in order to hold the power steering assist motor wires to the steering column in the correct location.
8. Install the steering column opening filler. Refer to Steering Column Opening Filler Replacement Service and Repair.
9. Road test the vehicle and ensure that no noise or vibration emanates from the steering column.