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Home >> GMC >> 2018 >> Terrain Denali, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Mechanical - 1.5L (LYX)) >> Repair Instructions - On Vehicle >> Oil Pump Replacement >> Removal Procedure

Removal Procedure

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  1. Remove Upper Oil Pan Replacement 
  2. Fig 1: Unlocking Tensioner
    GM3985246Courtesy of GENERAL MOTORS COMPANY
  3. Push the oil pump drive chain tensioner (1) in direction of arrow.
  4. Lock the tensioner using a suitable tool (2).
  5. If replacing the oil pump, remove the oil pump flow control solenoid valve. Oil Pump Flow Control Solenoid Valve Replacement 
  6. Fig 2: Oil Pump Fasteners
    GM3985297Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    It may be necessary to leave one fastener in the pump assembly to secure the pump prior to removing it from the engine.

  7. Remove all EXCEPT one of the oil pump fasteners (1) securing the oil pump (2).
  8. Fig 3: Oil Pump
    GM3985346Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    The last oil pump fastener should be removed while simultaneously tilting the pump in the direction of the arrow.

  9. Remove the remaining oil pump fastener.
  10. Remove the oil pump (1).
  11. Fig 4: Oil Pump Seals
    GM3985367Courtesy of GENERAL MOTORS COMPANY
  12. Remove and DISCARD the oil pump seals (1).