For 1990-2009 cars only
Disassembly Procedure
- Mark the pressure cap (4) and the chamber assembly (7) in relation to the clamp ring assembly (2).
- Remove the air brake chamber clevis (5) and the nut (6).
- Pull out the pushrod (9).
- Clamp the pushrod (9) using locking-type pliers.
- Remove the nuts and the bolts.
- Remove the clamp ring assembly.
- Remove the pressure cap.
- Release the locking-type pliers from the pushrod.
- Remove the diaphragm.
- Remove the pushrod.
- Remove the return spring.
- Inspect the inside of the chamber assembly (7) for corrosion.
- Replace the chamber assembly (7) if corrosion is found.
- Inspect the return spring (8).
- Inspect the pushrod (9).
- Inspect the clamp ring assembly (2).
Note: Replace all worn and/or damaged parts.
Assembly Procedure
- Install the return spring into the chamber assembly.
- Install the pushrod into the chamber assembly.
- Install the diaphragm into the chamber assembly.
- Install the pressure cap onto the chamber assembly.
- Install the clamp ring assembly.
- Install the bolts (1) and the nuts (3).
- Release the locking-type pliers.
- Loose fit the nut and the air brake chamber clevis to the pushrod.
- Install the nut (6) and the air brake chamber clevis (5) to the pushrod (9).
Note: Compress the return spring and clamp the pushrod in place with locking-type pliers.
Caution: Refer to Fastener Caution in the Preface section.
Note: Align the marks made during the disassembly.
Tighten
Tighten the nuts to 34 N·m (25 lb ft).
