Steering Column Seal - Except C 3500 HD

Removal Procedure





1. Set the front wheels in the straight-ahead position.
2. Set the steering wheel in the LOCK position.
3. Mark the upper to the lower intermediate shaft in order to be sure of proper installation.
4. Remove the shield from the steering gear
5. Remove the nut and the bolt from the upper to the lower shaft connection.
6. Pull the lower shaft out of the upper shaft.





7. Grasp and compress the seal (1). Remove the seal by pulling the seal away from the dash (2).

Installation Procedure

Caution: If steering column to cowl panel seal is torn or otherwise damaged, it must be replaced., Confirm that the seal and inner race are properly located. Failure to do so may allow carbon monoxide into the vehicle, which may result in serious personal injury or death.





1. Slide the seal (1) up the steering column.
2. Align the locating tab on the seal (1) with the notch at the bottom of the dash panel (2) opening.
3. Slightly compress the seal (1) while forcing the seal inward until the retaining collar snaps open on the inside of the cab.
4. Pull the lower shaft up into the upper shaft.
5. Verify that the retaining collar has opened on the inside of the cab 360 degrees.

Notice: Refer to Fastener Notice in Service Precautions.

6. Install the nut and the bolt to the upper end of the shaft.
- Tighten the nut and the bolt to 62 Nm (46 ft. lbs.).





7. Install the shield to the intermediate shaft.