Preliminary Procedures

1. Apply the park brake.
2. Deplete the vacuum reserve in the vacuum booster by applying the brake pedal 3 times or until the pedal becomes firm.

1

Brake Booster Pushrod Retainer Bolt

Notice: Refer to Fastener Notice in the Preface section.

Tighten
10 N·m (89 lb in)

2

Brake Booster Pushrod Retainer

3

Stop Lamp Switch

4

Brake Booster Pushrod

5

Brake Booster Nut (Qty: 4)

Tip
Tighten the upper right vacuum brake booster nut first.

Tighten
33 N·m (24 lb ft)

6

Master Cylinder Nut (Qty: 2)

Tighten
33 N·m (24 lb ft)

7

Master Cylinder Assembly

Procedure

1. Without disconnecting the brake pipe fittings, carefully position the master cylinder assembly aside and support with heavy mechanics wire or equivalent.
2. Inspect the brake master cylinder to vacuum brake booster seal for damage and replace if necessary.
3. Ensure the brake master cylinder to vacuum brake booster seal is properly seated in the groove of the master cylinder.

8

Vacuum Brake Booster Hose Clamp

9

Vacuum Brake Booster Hose

10

Vacuum Brake Booster

Procedure

1. Disconnect the vacuum brake booster electrical connectors, if equipped.
2. Discard the vacuum brake booster gasket.
3. Install a new vacuum brake booster gasket.

Preliminary Procedures

1. Apply the park brake.
2. Deplete the vacuum reserve in the vacuum booster by applying the brake pedal 3 times or until the pedal becomes firm.

1

Brake Booster Pushrod Retainer Bolt

Notice: Refer to Fastener Notice in the Preface section.

Tighten
10 N·m (89 lb in)

2

Brake Booster Pushrod Retainer

3

Stop Lamp Switch

4

Brake Booster Pushrod

5

Brake Booster Nut (Qty: 4)

Tip
Tighten the upper right vacuum brake booster nut first.

Tighten
33 N·m (24 lb ft)

6

Master Cylinder Nut (Qty: 2)

Tighten
33 N·m (24 lb ft)

7

Master Cylinder Assembly

Procedure

1. Without disconnecting the brake pipe fittings, carefully position the master cylinder assembly aside and support with heavy mechanics wire or equivalent.
2. Inspect the brake master cylinder to vacuum brake booster seal for damage and replace if necessary.
3. Ensure the brake master cylinder to vacuum brake booster seal is properly seated in the groove of the master cylinder.

8

Vacuum Brake Booster Hose Clamp

9

Vacuum Brake Booster Hose

10

Vacuum Brake Booster

Procedure

1. Disconnect the vacuum brake booster electrical connectors, if equipped.
2. Discard the vacuum brake booster gasket.
3. Install a new vacuum brake booster gasket.