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HOMESERVICE MANUALSCHEVROLET1983CITATION 2D HATCHBACK, 2.8 Z, AUTOMATICREPAIR AND DIAGNOSISTRANSMISSIONAUTOMATIC TRANSOVERHAUL & TESTING - 125C/3T40TRANSAXLE DISASSEMBLYCONTROL VALVE BODY & OIL PUMP ASSEMBLYNOTES
1983 Chevrolet Citation 2D Hatchback, 2.8 Z, Automatic

Control Valve Body & Oil Pump Assembly: Notes

1983 Chevrolet Citation 2D Hatchback, 2.8 Z, AutomaticSECTION Notes
  1. Remove all control valve body mount bolts except 2. Leave these 2 bolts finger tight. Tap pan edge with rubber mallet to loosen control valve cover and gasket. DO NOT  pry on cover during removal.
    NOTE: DO NOT  remove lower left bolt marked "A" from control valve and pump assembly unless auxiliary valve body removal is necessary. See Fig 1 .
  2. Remove 2 bolts securing throttle lever and bracket assembly to control valve. Lift off throttle lever and bracket assembly with throttle valve cable link. Use care not to bend link.
  3. Remove all auxiliary valve body bolts except lower left bolt. See Fig 1 . Remove remaining control valve assembly bolts. Carefully lift off control valve and pump assembly. Place assembly on bench with machined surface up.
  4. Remove No. 1 check ball from direct clutch passage on spacer plate. Lift out oil pump drive shaft. Remove spacer plate and spacer plate gaskets. Remove 5 check balls from case cover. See Fig 2 .
Fig 1: Locating Control Valve & Pump Assembly Lower Left Bolt
G92J12673Courtesy of GENERAL MOTORS CORP.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

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

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