C 2500 Truck 2WD V8-5.7L VIN R (1997)
Removing Reservoir
Installing The Reservoir
Remove or Disconnect
1. Cover.
2. Diaphragm.
3. Brake fluid from reservoir.
4. Reservoir and grommets.
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Clamp the mounting flange in a vise and pry the reservoir off with a bar.
5. Snap ring.
6. Primary piston assembly.
CAUTION: If air pressure is used to remove the secondary piston, place the open end of the cylinder bore approximately 25 mm (1 inch) from a
padded workbench or other surface to catch the piston when it comes out of the bore. Apply low air pressure very carefully to ease the piston out
of the bore. Never point the open end of the bore at anyone when applying air pressure. The piston may come out of the bore with considerable
force and cause personal injury.
7. Secondary piston.
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With the rear port plugged, apply a small amount of air pressure to the front port.
8. Seals.
9. Spring retainer and spring.
NOTE:
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Clean all metal parts in denatured alcohol.
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Clean all rubber parts in clean brake fluid.
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Inspect diaphragm for cuts, cracks, or a swollen condition.
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Inspect cylinder bore for scoring or corrosion. If corrosion is present, replica the cylinder. Do not attempt to hone the bore.
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Inspect reservoir for cracks.
Install or Connect
NOTE: Lubricate the grommets, seals, and cylinder bore with clean brake fluid. Use new seals when assembling the master cylinder.
