gmc Workshop Repair Guides

GMC R 3500 P/U 2WD V8 74L Workshop Service and Auto Repair Manuals

Master Cylinder Installation|Page 4816 > < Master Cylinder Installation
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Brake Master Cylinder: Service and Repair
Master Cylinder Rebuild

Composite Type

Fig. 2  Exploded View Of Master Cylinder

Fig. 3  Exploded View Of Master Cylinder

DISASSEMBLY

1.

Remove master cylinder from vehicle.

2.

Remove reservoir cover and diaphragm. Discard old brake fluid in reservoir.

3.

Inspect cover and diaphragm. Replace if cut, cracked or deformed.

4.

Remove fluid level switch and proportioner valve assembly, if equipped.

5.

Depress primary piston and remove lock ring.

Master Cylinder Installation|Page 4816 > < Master Cylinder Installation