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Home >> Chevrolet >> 2011 >> Impala LS, 3.9 M >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Automatic Transmission - 4T65-E - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Oil Pump Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Oil Pump & Valve Body
    GM893321Courtesy of GENERAL MOTORS CORP.
  1. Install the oil pump (200) to the valve body (300).
  2. Fig 2: Oil Pump Bolts
    GM893320Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Fastener Caution .
  3. Install the oil pump bolts (230, 231).
    • Tighten the nine (231) M6 X 1.0 X 85 bolts to 12 N.m (106 lb in).
    • Tighten the two (230) M6 X 1.0 X 95 bolts to 16 N.m (12 lb ft).
  4. NOTE: 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. Reset the TAP values. Refer to Transmission Adaptive Functions .
  5. Install the case side cover. Refer to Control Valve Body Cover Replacement .