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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. Remove the lower engine front cover. Engine Front Cover Replacement - Lower 
  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) handtighten.

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    Install the crankshaft balancer absorber (2).

  5. Install the crankshaft balancer absorber bolt (1).
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    Remove the upper timing chain guide bolts (2).

  7. Remove the upper timing chain guide (1).
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    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.
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    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 8.
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    Push the timing chain guide - left side (2) in the direction of the arrow.

  14. Fix the tensioner (1) with a 2mm drill bit or equivalent (3).
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    Remove the 2 timing chain tensioner bolts (2).

  16. Remove the timing chain tensioner (1).
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    Remove the timing chain (1) along with the crankshaft sprocket (2).