GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Express 🢒 Transmission 🢒 Transfer Case - BW 4473-NP3 🢒 Front Propeller Shaft Replacement

Removal Procedure

    Object Number: 1203876 Size: SH
  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Mark the relationship of the front propeller shaft U-Joint to the differential yoke.

    3. Object Number: 1203838 Size: SH
  3. Remove the front propeller shaft retainer bolts.

    4. Object Number: 1203842 Size: SH
  4. Remove the U-Joint retainers.
  5. Remove the front propeller shaft front the front differential.

    6. Object Number: 1199415 Size: SH

    Note: The following procedure is to ensure that the U-Joint bearings and caps DO NOT become separated. This will prevent the lost of the needle bearings inside the bearing cap.

  6. Tape the U-Joint bearing caps together.

    7. Object Number: 1205938 Size: SH
  7. Remove the front propeller shaft from the transfer case.

Installation Procedure

    Object Number: 1205938 Size: SH
  1. Install the front propeller shaft in the transfer case.

    2. Object Number: 1199415 Size: SH
  2. Remove the tape from the propeller shaft U-Joint.

    3. Object Number: 1203876 Size: SH

    Note: Ensure that the alignment marks on the U-Joint and the yoke are aligned for proper installation.

  3. Install the front propeller shaft in the front differential yoke.

    4. Object Number: 1203842 Size: SH
  4. Install the propeller shaft retainers.

    5. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1203838 Size: SH
  5. Install the propeller shaft retainer bolts and tighten to 25 N·m (18 lb ft).
  6. Check the fluid level of the front differential. Refer to Front Axle Lubricant Level Inspection.
  7. Inspect the fluid level of the transfer case.
  8. Lower the vehicle.