Control Valve & Oil Pump Assemblies: Reassembly

1995 Chevrolet Cavalier LS, 2D Convertible, 2.2 4, StandardSECTION Reassembly
  1. Install pump slide into pump pocket. Install pump slide seal and seal support. Use petroleum jelly to retain slide parts. Align slide with pump slide pivot hole, and install pump slide pivot pin. Install vane ring and pump rotor into pump pocket. Install pump vanes into pump rotor.
  2. Ensure pump vane wear pattern is against centering ring, and each pump vane is seated flush with rotor. Install top vane ring and slide "O" ring seal in pump slide.
  3. Install pump slide-to-auxiliary valve body oil seal ring. Check auxiliary valve body sleeve for damage. Install auxiliary valve body, gasket and cover. Align pump rotor step with auxiliary valve body sleeve. To complete reassembly, reverse disassembly procedure. See Fig 1 .
Fig 1: Exploded View Of Control Valve & Oil Pump Assemblies
G92D12693Courtesy of GENERAL MOTORS CORP.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.