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Installation 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. GM3216241
    NOTE:

    Second technician is required.

    Hold tension to the camshaft timing chain (1) with 2 hands.

  2. GM3216238
    NOTE:

    Second technician is required.

    Set the crankshaft in direction of engine rotation to 60 degrees (a) before TDC of cylinder 1. Use the EN-45059  angle meter and the crankshaft balancer absorber bolt (1).

  3. Lay the camshaft timing chain between the timing chain guides.
  4. Clean the sealing surface from the camshaft bearing rear cap and the cylinder head.
  5. GM3213237

    Coat the exhaust camshaft (5) and the exhaust camshaft bearing caps (4) with MoS 2 lubricating paste or engine oil. Refer to Adhesives, Fluids, Lubricants, and Sealers .

  6. Exhaust Camshaft(5) - Install
  7. Ensure that the camshaft notch (3) at the front of the camshaft is in the 12 O ' clock position before installing the camshaft bearing caps.
    8. NOTE:

    Note the identification marking on the camshaft bearing cover.

  8. Install the 4 exhaust camshaft bearing caps (4) to the cylinder head.
  9. Install the exhaust bearing front cap (1) to the cylinder head.
  10. Loosely install the 10 exhaust camshaft bearing cap bolts (2).
  11. GM3213239
    CAUTION:

    Refer to Fastener Caution .

    Tighten the 10 exhaust camshaft bearing cap bolts (1) to 9 N.m (80 lb in), working from inside to outside in a spiral.

  12. GM3213238

    Clean The cylinder head and the exhaust camshaft rear bearing cap surfaces from dirt, grease and sealant remains.

    13. NOTE:

    The complete installation procedure of the exhaust camshaft rear bearing cap should be done in 10 minutes.

  13. Apply sealing compound (2) to the cylinder head (1). The thickness of the sealing should be thin. Refer to Adhesives, Fluids, Lubricants, and Sealers .
  14. GM3213236

    Camshaft Bearing Rear Cap(2) - Install

  15. Install the 4 camshaft bearing rear cap bolts (1) and tighten to 9 N.m (80 lb in).
  16. GM3216248

    Install the exhaust camshaft position actuator adjuster (2).

  17. Mind the camshaft pin (1), the exhaust camshaft position actuator adjuster does fit in only one position.
  18. Install and hand tighten a NEW exhaust camshaft position actuator adjuster bolt (3).
  19. GM3216249

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

    1. Turn the camshafts at the camshaft position actuator adjuster bolts (5, 6) until the EN-51148  holding tool fits.
    2. Tighten the bolt (3) in the middle.
    3. Tighten the 2 outer bolts (2, 4).
  20. Tighten the exhaust camshaft position actuator adjuster bolt (5) in 2 passes:
    1. First pass to 65 N.m (48 lb ft).
    2. Final pass to an additional 120 - 135 degrees, using the EN-45059  meter.
  21. GM3216237
    NOTE:

    Second technician is required.

    Hold tension to the camshaft timing chain (1) with 2 hands.

  22. GM3213250
    NOTE:

    Second technician is required.

    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).

  23. GM3216240

    Install the camshaft timing chain to the camshaft position actuator adjuster.

  24. Ensure that the self-made colored links (1, 2) match to the marks on the camshaft position adjuster actuators.
  25. GM2968109

    Timing Chain Tensioner(1) - Install

  26. Timing Chain Tensioner Bolt(2) - Install and tighten 10 N.m (89 lb in)[2x]
  27. GM2968108

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

  28. Remove the fixing tool (3) from the tensioner (1).
  29. GM2968105

    Loosen the EN-51148  holding tool bolts (2, 3, 4).

  30. Remove the EN-51148  holding tool (1).
  31. GM2969141

    Upper Timing Chain Guide(1) - Install

  32. Upper Timing Chain Guide Bolt(2) - Install and tighten 7 N.m (62 lb in)[2x]
  33. Check the position of the crankshaft, camshaft and camshaft position actuator adjuster.
    1. Turn crankshaft 720 degrees in the direction of engine rotation by the crankshaft balancer absorber bolt.
    2. GM3213250

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

    3. GM2968105

      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).
    4. If EN-51148  holding tool can be installed, the engine timing is properly adjusted.
    5. Remove the middle bolt (3) and the 2 outer bolts (2, 4) and remove the EN-51148  holding tool (1).
  34. Engine Front Cover Replacement - Upper  - Install
  35. GM2191341

    Install the engine mount (5).

  36. Install 3 NEW engine mount to engine mount bracket bolts (3) and 3 washers (4).
  37. Install the 2 engine mount to body bolts (2) and the engine mount nut (1).
  38. Tighten the 2 engine mount to body bolts (2) and the engine mount nut (1) to 62 N.m (46 lb ft).
  39. Tighten the 3 NEW engine mount to engine mount bracket bolts (3) a first pass to 50 N.m (37 lb ft).
    40. CAUTION:

    Refer to Torque-to-Yield Fastener Caution .

  40. Tighten the 3 NEW engine mount to engine mount bracket bolts a final pass to 60 - 75 degrees, using the EN-45059  meter.
  41. GM3213232

    Remove the engine lifter (1) from the right engine lift bracket.

  42. Camshaft Cover Replacement  - Install
  43. Air Cleaner Assembly Replacement - Install
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