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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 366 (Engine Mechanical - 6.2L (LT4) - Repair Instructions) >> Repair Instructions >> Oil Pump Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2022 Cadillac CT5. However, it is still accessible from the selected car via links, so may be relevant.
  1. Engine Front Cover - Remove - Engine Front Cover Replacement 
  2. Fig 1: Identifying Oil Pump And Bolts With Loosening Sequence
    GM4864287Courtesy of GENERAL MOTORS COMPANY

    Oil Pump Bolt (1) - Remove [4x]

  3. NOTE:

    If the oil pump is removed to perform a different repair and is going to be REUSED, the EN-51267  oil pump alignment tool must be installed on the engine block BEFORE the oil pump is removed and left in place until the installation of the original oil pump. If the EN-51267  oil pump alignment tool IS NOT installed prior to oil pump housing removal, AND left in place while other repairs are performed, a NEW oil pump MUST be installed. If a NEW pump is installed, EN-51267  oil pump alignment tool is NOT needed. A NEW oil pump will automatically center correctly when installed.

  4. Oil Pump (1) - Remove
  5. Oil Pump (2) - Clean and inspect - Oil Pump Cleaning and Inspection