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Home >> Buick >> 2008 >> Allure CXL >> Repair and Diagnosis >> Transmission >> Hydraulic Diagrams >> Automatic Transaxle - 4T65-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis >> Repair Instructions - On Vehicle >> Oil Pump Replacement >> Installation Procedure

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 & Positions
    GM164795Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to FASTENER NOTICE .
  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 Control Valve Body Cover Replacement .
  7. IMPORTANT: It is recommended that transmission adaptive pressure (TAP) information be reset.
    Resetting the TAP values using a scan tool will erase all learned values in all cells. As a result, The ECM, PCM or TCM will need to relearn TAP values. Transmission performance may be affected as new TAP values are learned.
  8. Reset the TAP values. Refer to Transmission Adaptive Functions .