For 1990-2009 cars

## Locking Differential Clutch Disc Assembly Assemble 8.0 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 right side or bell - end side clutch disc assembly as follows:

2.1. | Install the 1st non-carbon eared disc (3) to the side gear (1).

2.2. | Install the 1st splined disc (4).

2.3. | Install the 2nd non-carbon eared disc (5).

2.4. | Install the 2nd splined disc (6).

2.5. | Install the 3rd non-carbon eared disc (7).

2.6. | Install the guide clips (2) to the clutch discs (2-7).

Apply grease to the guide clips in order to hold the clips in place on the disc ears.

## Locking Differential Clutch Disc Assembly Assemble 8.6 Inch Axle

1. Apply axle lubricant, GM P/N 12378261 (Canadian P/N 10953455) or equivalent meeting GM Specification 9986115, to the surface of each disc.
2. Assemble the right side or bell-end side clutch disc assembly as follows:

2.1. | Install the two-sided carbon eared disc (2) to the side gear (1).

2.2. | Install the 1st splined disc (4).

2.3. | Install the 2nd splined disc (5).

2.4. | Install the one-sided carbon eared disc (6).

2.5. | Install the guide clips (3) to the clutch discs (2, 4-6).

Apply chassis grease, GM P/N 12377985 (Canadian P/N 88901242) or equivalent, to the guide clips in order to hold the clips in place on the disc ears.