Installation Procedure
WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Install the disc brake axle shaft (1) in the rear axle assembly (2), if equipped.
- Install the drum brake axle shaft (2) in the rear axle assembly (1), if equipped.
- Install the lock (1) in the rear axle (2), without a locking differential.
- Install the lock (1) on the rear axle shaft (3), with a locking differential.
- Install the differential pinion gear shaft.
- Install the NEW differential pinion gear shaft bolt and tighten to 34 N.m (25 lb ft) for the 8.6 inch axle and 50 N.m (37 lb ft) for the 9.5 inch axle.
- Check the rear axle shaft end play and the radial play. The rear axle shaft end play should be 0.012 inch per side and the radial play should be 0.002-0.003 inch. If the rear axle shaft is NOT within the specifications, replace any excessively worn parts.
- Install the rear axle housing cover and gasket. Refer to Rear Axle Housing Cover and Gasket Replacement (8.6, 9.5 Inch Axles) or Rear Axle Housing Cover and Gasket Replacement (10.5/11.5 Inch Axle) .
- Install the wheel speed sensor.
- For Hybrid vehicles, refer to Rear Wheel Speed Sensor Replacement .
- For non Hybrid vehicles (1500 series), refer to Rear Wheel Speed Sensor Replacement .
- For non Hybrid vehicles (2500 series), refer to Rear Wheel Speed Sensor Replacement .
- Install the brake caliper mounting bracket, if equipped. Refer to Rear Brake Caliper Bracket Replacement (JD9) or Rear Brake Caliper Bracket Replacement (JH6, JH7) .
- Install the rear brake drum, if equipped. Refer to Brake Drum Replacement .
- Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
- Remove the support and lower the vehicle. Refer to Lifting and Jacking the Vehicle .
NOTE:
When installing the rear axle shaft, ensure that the seal is not damaged.
NOTE:
In steps 3 and 4, pull out on the axle shaft after the lock has been installed to ensure that the lock is seated properly.
NOTE:
On axles with a locking differential, keep the differential pinion shaft slightly withdrawn.
CAUTION:
Refer to Fastener Caution
.
NOTE:
End play is the in and out movement of the rear axle shaft. Radial play is the up and own movement in the rear axle shaft.