Chevrolet Automobile Parts 2001 Bedienungsanleitung PDF herunterladen (Seite 10)

NOTE: Pump is not serviceable on Seville.

Disassembly

1) Remove hydraulic union fitting (or VES actuator) from

pump. See Fig. 4. Remove "O" ring, flow control valve assembly and

flow control spring. Insert punch in access hole, and remove end cover

retaining ring. Press gently on pulley end of shaft to remove end

cover, "O" ring, pressure plate spring and pressure plate.

2) Remove shaft subassembly consisting of remaining

components. Disassemble subassembly, noting component location for

reassembly reference. Cut shaft seal with a small chisel. Remove and

discard shaft seal.

Inspection

Inspect pump ring, rotor, vanes, thrust plate, pressure plate

and shaft for scoring, pitting or chatter marks. Replace worn or

damaged parts.

Reassembly

1) Lubricate new shaft seal, "O" rings and all other

components with power steering fluid. Drive new seal into housing with

suitable socket. Assemble shaft subassembly with components in

original locations. Ensure counterbore in center of pump rotor faces

pump pulley.

2) Install shaft subassembly. Install remaining components.

Press end cover in far enough to snap retaining ring into place.

Install flow control valve assembly and related components. Tighten

hydraulic union to specification. See TORQUE SPECIFICATIONS.

Fig. 4: Exploded View Of Power Steering Pump (CB Series)

Courtesy of General Motors Corp.

POWER STEERING PUMP (TC SERIES)

NOTE: Pump is not serviceable on Seville.

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Chevrolet Automobile Parts 2001 Bedienungsanleitung Seite 10