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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 >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Wiring Harness & Fluid Temperature Sensor
    GM48209Courtesy of GENERAL MOTORS CORP.
    CAUTION: Do NOT remove the three bolts which hold the pump together.
  1. Remove the case side cover. Refer to Control Valve Body Cover Replacement .
    2. Fig 2: Oil Pump Bolts
    GM893320Courtesy of GENERAL MOTORS CORP.
  2. Remove the oil pump bolts (230, 231).
    3. Fig 3: Oil Pump & Valve Body
    GM893321Courtesy of GENERAL MOTORS CORP.
  3. Remove the oil pump (200) from the valve body (300).
  4. Clean and inspect the oil pump. Refer to Transmission Fluid Pump Disassemble and Transmission Fluid Pump Assemble .
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