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Removal Procedure

WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. However, it is still accessible from the selected car via links, so may be relevant.
  1. Engine Front Cover Replacement - Lower  - Remove
  2. GM2966471
    NOTE:

    The re-install of the lower engine front cover and of the crankshaft balancer absorber is necessary to set the crankshaft to TDC.

    Re-install the lower engine front cover (1) to the engine block without sealing.

  3. GM3216230

    Install 4 engine front lower cover bolts (1) hand tighten.

  4. GM2968028

    Install the crankshaft balancer absorber (2).

  5. Install the crankshaft balancer absorber bolt (1).
  6. GM2969141

    Bolt(2) - Remove[2x]

  7. Timing Chain Upper Guide(1) - Remove
  8. GM3213250

    Adjust the engine to cylinder 1 top dead center (TDC) of combustion stroke. Set crankshaft in direction of engine rotation until the markings (2, 3) line up. Rotate at the crankshaft balancer absorber bolt (1).

  9. GM2968105
    NOTE:

    If EN-51148  holding tool does not fit properly, rotate the crankshaft and additional 360 degrees.

    Install the EN-51148  holding tool (1) to camshafts and to the cylinder head.

    1. Tighten the bolt (3) in the middle.
    2. Tighten the 2 outer bolts (2, 4).
  10. Remove the lower engine front cover and the crankshaft balancer absorber again.
  11. GM3213251

    Check the position of the crankshaft. The crankshaft must be set to TDC, the arrow (1) on the crankshaft sprocket and the arrow (2) on the oil pump must align.

  12. If the arrows (1, 2) do not align, install the lower engine front cover with 4 bolts and the crankshaft balancer absorber. Set the engine to TDC, refer to step 6.
  13. GM2968108

    Push the timing chain guide - left side (2) in the direction of the arrow.

  14. Fix the tensioner (1) with the EN-50513  tensioner pin (3).
  15. GM2968109

    Timing Chain Tensioner Bolt(2) - Remove[2x]

  16. Timing Chain Tensioner(1) - Remove
  17. GM3547237

    Timing Chain(1) - Remove

  18. Crankshaft Sprocket(2) - Remove
  19. Oil Pan Replacement  - Remove
  20. GM2968112

    Timing Chain Guide Bolt(2) - Remove[2x]

  21. Remove the timing chain guide - right side (1).
  22. GM2968113

    Remove the timing chain guide - left side pin (2).

  23. Remove the timing chain guide - left side (1).
  24. GM2966364

    Oil Pump Bolt(3) - Remove[6x]

  25. Oil Pump(1) - Remove
  26. Oil Pump Seal(2) - Remove and DISCARD