Parking Brake Shoe Replacement Hydraulic Auto Apply

1. Remove the drum (6). Refer to Parking Brake Drum .
2. Remove the cable fitting (4) from the cam lever.
3. Remove the support plate mounting bolts (7).
4. Remove the support plate (8) and the lining assembly.
5. Remove the return springs (2)
6. Remove the anchor spring (5)
7. Remove the linings (1).

•	Inspect the linings for contamination and excessive wear. Minimum lining thickness is 1.52 mm (0.060 in). Replace the linings as a set.

1. Install the linings (1).
2. Install the anchor spring (5).

Use Lubriplate (GM P/N 1050109) or the equivalent in order to lubricate the points where the shoes contact the support plate.

3. Install the return springs (2)
4. Install the support plate (8) and the lining assembly to the transmission.
5. Install the support plate mounting bolts (7).

Tighten
Tighten the bolts to 46 N·m (34 lb ft).

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

6. Install the drum (6). Refer to Drum Parking Brake Drum .
7. Adjust the parking brake. Refer to Lining Adjustment .

Parking Brake Shoe Replacement Air

1. Block the vehicle's wheels.
2. Release the parking brake.
3. Remove the propeller shaft. Refer to One Piece Propeller Shaft in Propeller Shaft.
4. Remove the drum. Refer to Parking Brake Drum .



5. Remove the nut and the washer.
6. Remove the cam and the lever.



7. Remove the return springs.

Discard the old return springs.

8. Remove the linings.

Mark each shoe so it can be assembled in its original position.

9. Inspect the drum for cracks, scoring, pitting, grooves, and overheating damage. Replace if necessary.
10. Inspect all the mounting bolt holes in the drum for stress cracks.
11. Inspect the linings for contamination and wear.

1. Install the linings (5) on the backing plate (8).

Align the marks on each shoe so it can be assembled in its original position.

2. Install the return springs (1).

Replace the old return springs with the new springs.

3. Install the cam (7), lever (2) and strut actuator (6).
4. Install the nut (3) and the washer (4).
5. Tighten the nut in order to establish clearance between .001-.01 mm (.0004 in) as measured with a feeler gauge between the lever and the backing plate.
6. Install the drum. Refer to Parking Brake Drum .
7. Install the propeller shaft. Refer to One Piece Propeller Shaft in Propeller Shaft.