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Home >> Pontiac >> 2008 >> Grand Prix GXP >> Repair and Diagnosis >> Transmission >> Hydraulic Diagrams >> Automatic Transaxle - 4T65-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis >> Repair Instructions - On Vehicle >> Transmission Fluid Pressure Manual Valve Position Switch Replacement >> Installation Procedure

Installation Procedure

    Fig 1: View Of TFP Manual Valve Position Switch
    GM48220Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: When installing the TFP switch handle the switch carefully, the fluid pressure manual valve position switch is very delicate.
  1. Carefully install the fluid pressure manual valve position switch (395).
  2. NOTE: Refer to FASTENER NOTICE .
  3. Install the control valve body bolts (375, 379, 381) that mount the fluid pressure manual valve position switch to the control valve body (300).

    Tighten: 

    • Tighten the control valve body bolt (375) to 12 N.m (106 lb in).
    • Tighten the control valve body bolt (379) to 16 N.m (106 lb in).
    • Tighten the control valve body bolt (381) to 8 N.m (70 lb in).

  4. Connect the transaxle wiring harness.
  5. Install the case side cover. Refer to Control Valve Body Cover Replacement .
  6. 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 engine control module (ECM), powertrain control module (PCM) or transmission control module (TCM) will need to relearn TAP values. Transmission performance may be affected as new TAP values are learned.
  7. Reset the TAP values. Refer to Transmission Adaptive Functions .