GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2000 🢒 Escalade 🢒 Steering 🢒 Power Steering System 🢒 Power Steering Pump Flow Control Valve Replacement - Off Vehicle

Power Steering Pump Flow Control Valve Replacement - Off Vehicle Hydroboost

Disassembly Procedure

    Object Number: 429723 Size: SH
  1. Drain the oil from the reservoir (1).
  2. Remove the control valve assembly (3) from the pump housing (1). Make sure the flow control spring (4) does not fall out of the pump housing (1).
  3. Remove the rectangular section seal (2) from the control valve assembly (3).

Assembly Procedure

    Object Number: 429723 Size: SH
  1. Install the flow control spring (4) if removed from the pump housing (1).
  2. Lubricate the new rectangular section seal (2) with power steering fluid.
  3. Install the rectangular section seal (2) onto the control valve assembly (3).
  4. Install the control valve assembly (3).

Power Steering Pump Flow Control Valve Replacement - Off Vehicle Regular

Disassembly Procedure

    Object Number: 431058 Size: SH
  1. Drain the oil from the reservoir (1).
  2. Remove the control valve assembly (3) from the pump housing (1). Make sure the flow control spring (4) does not fall out of the pump housing (1).
  3. Remove the round o-ring seal (2) from the control valve assembly (3).

Assembly Procedure

    Object Number: 431058 Size: SH
  1. Install the flow control spring (4) if removed from the pump housing (1).
  2. Lubricate the new rectangular section seal (2) with power steering fluid.
  3. Install the rectangular section seal (2) onto the control valve assembly (3).
  4. Install the control valve assembly (3).