Master Cylinder Overhaul: Standard

Note: all gaskets and seals must be replaced. Coat all parts indicated with DOT 4 brake fluid during assembly. The complete brake system must be bled of air after installation.

Disassembly (exploded view)

ItemDescription
1Reservoir Cap
2Pin
3Reservoir Tank
4Reservoir Seal
5Piston Stopper Bolt
6Gasket
7O-Ring
8Snap Ring
9Piston Guide
10Cylinder Cup
11Plate
12Primary Piston
13Secondary Piston
14Master Cylinder Body
15Installation in reverse

Torque specification

Torque calloutN·m (kgf·m)in-lb
T=10(1.0)89

(verify printed p.272) — the single torque callout on this diagram could not be confidently matched to a specific item number (most likely the piston stopper bolt, item 5, but this is not confirmed).

Piston stopper bolt removal

  1. Place master cylinder body in a vise as shown.

Note: do not over-tighten the vise — damage will occur to the cylinder body.

  1. Remove bolt.
  2. Remove snap ring as shown.
  3. Install in reverse.

Figure: Master Cylinder Overhaul, exploded view Figure: Piston Stopper Bolt Removal, vise/snap ring diagram