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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 >> Removal Procedure

Removal Procedure

    Fig 1: Locating Wiring Harness & Electrical Connectors
    GM48209Courtesy of GENERAL MOTORS CORP.
  1. Remove the case side cover. Refer to Case Side Cover Replacement .
  2. Use a flat-bladed tool to disconnect the electrical connectors from the solenoid valves (315A, 315B, 322, 334 and 440), the TFP manual valve position switch (395) and the temperature sensor (391).
    3. Fig 2: Identifying Oil Pump Bolt Lengths And Positions
    GM164795Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Do NOT remove the bolt (205) that holds the oil pump together.
  3. Remove the oil pump bolts (206,207).
    4. Fig 3: Oil Pump & Valve Body View
    GM48212Courtesy of GENERAL MOTORS CORP.
  4. Remove the oil pump (200) from the valve body (300).
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