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Home >> Chevrolet >> 2011 >> Impala LS, 3.9 M >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 24 (Automatic Transmission - 4T65-E - Repair Instructions - Off Vehicle) >> Repair Instructions - Off Vehicle >> Oil Pump Drive Shaft Assemble

Oil Pump Drive Shaft Assemble

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    Fig 1: Locating Inspection Areas On Oil Pump Drive Shaft
    GM49391Courtesy of GENERAL MOTORS CORP.
  1. Inspect the oil pump drive shaft (227) for the following:
    • A scored or rough journal surface
    • Stripped or burred splines
    • A cut or damaged seal
  2. Install a new oil pump drive shaft seal (228) onto the oil pump drive shaft (227).
    3. Fig 2: Installing Oil Pump Drive Shaft Assembly
    GM49394Courtesy of GENERAL MOTORS CORP.
  3. Install the oil pump drive shaft assembly (227) into the case cover (400).
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