9.5 Inch Axle

Locking Differential Cam Unit Assemble (9.5 Inch Axle)





1. Apply axle lubricant, GM P/N 12378261 or equivalent meeting GM Specification 9986115, to the surface of each disc.
2. Assemble the left side or the flange-end side cam unit and clutch disc assembly as follows:
2.1. Install the cam plate (2) to the cam side gear (1).
2.2. Install the carbon-faced eared disc (3).
2.3. Install the fuse disc (4).
2.4. Install the wave washer (5).
2.5. Install the 1st non-carbon eared disc (7).
2.6. Install the 2nd non-carbon eared disc (8).
2.7. Install the 1st splined disc (9).
2.8. Install the 3rd non-carbon eared disc (10).
2.9. Install the 2nd splined disc (11).
2.10. Install the 4th non-carbon eared disc (12).
2.11. Install the 3rd splined disc (13).
2.12. Install the 5th non-carbon eared disc (14).
2.13. Align the splined discs with the teeth on the cam plate in order to compress the clutch disc pack.
2.14. Install the thrust sleeve (15) onto the side cam gear.
Using a hydraulic press, press the thrust sleeve onto the side cam gear until flush with the surface of the gear.
2.15. If the side cam gear or the thrust sleeve has been replaced, measure the overall length of the gear assembly by doing the following:
2.15.1. Measure the overall length of the gear assembly from the front of the gear to the back of the side thrust sleeve including the side gear thrust sleeve washer using a micrometer. Compare this measurement to the measurement obtained during disassembly.
2.15.2. If the new reading is more than 0.0762 mm (0.003 inch) higher or lower than the original, select a side gear thrust washer that will return the reading closest to the original reading.
2.16. Install the guide clips 6) to the clutch disc pack.
Apply grease to the guide clips in order to hold the clips in place on the disc ears.