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Home >> Buick >> 2005 >> Century Base >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle - Introduction & Repair Instructions >> Repair Instructions >> Oil Pump Replacement >> Installation Procedure
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Installation Procedure

    Fig 1: Oil Pump & Valve Body View
    GM48212Courtesy of GENERAL MOTORS CORP.
  1. Install the oil pump (200) to the valve body (300).
  2. Fig 2: Identifying Oil Pump Bolt Lengths And Positions
    GM164795Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in CAUTIONS AND NOTICES .
  3. Install the oil pump bolts (206,207).

    Tighten: 

    • Tighten the M6 X 1.0 X 85 bolts (207) to 12 N.m (106 lb in).
    • Tighten the M6 X 1.0 X 95 bolts (206) to 16 N.m (12 lb ft).

  4. Fig 3: Locating Wiring Harness & Electrical Connectors
    GM48209Courtesy of GENERAL MOTORS CORP.
  5. Connect the electrical connectors to the solenoid valves (315A, 315B, 322, 334 and 440), the TFP manual valve position switch (395) and the temperature sensor (391).
  6. Install the case side cover. Refer to Case Side Cover Replacement .