Inspection and Replacement Procedure

INSPECTION PROCEDURE

1. Raise vehicle.

2. Remove both rear tire and wheel assemblies.

3. Carefully remove the brake drum retaining clips and brake drums.

4. Check Julian date stamped on axle shaft flange between wheel pilot and bolt circle.

Julian Dates other than 219, 220 or 221:
Reassemble vehicle, install "Campaign Identification Label" and release vehicle for sale. No further action required.

Julian Dates of 219, 220 or 221:
Proceed to Replacement Procedure.


REPLACEMENT PROCEDURE

1. Replace axle shaft(s) following the axle shaft replacement procedure found in the 1991 Sierra Service Manual, X-9131, Page 4B1-8.

IMPORTANT:
Care should be taken to support the axle shaft during removal. Since the vehicle is new, it will not be necessary to replace either the axle seal or bearing.

2. Install "Campaign Identification Label".