LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2017 >> Spark LT, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 64 (Engine Mechanical - 1.6L (LWC)) >> Repair Instructions - On Vehicle >> Intake Camshaft Replacement >> Installation Procedure

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:

    A second technician is required.

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

  2. GM3216238
    NOTE:

    A 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  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. GM3213254

    Coat the intake camshaft (1) and the camshaft bearing caps (4) with MoS 2 lubricating paste or engine oil. Refer to Adhesives, Fluids, Lubricants, and Sealers .

  6. Intake Camshaft(1) - Install
  7. Ensure that the camshaft notch (5) at the front of the camshaft is in the 6 O ' clock position before installing the camshaft bearing caps.
  8. NOTE:

    Note the identification marking on the camshaft bearing cover.

  9. Install the 5 intake camshaft bearing caps (4) to the cylinder head.
  10. Install the intake bearing front cap (2) to the cylinder head.
  11. Loosely install the 12 intake camshaft bearing cap bolts (3).
  12. GM3213255

    Tighten the 12 exhaust camshaft bearing cap bolts (1) to 9 N.m (80 lb in), working from inside to outside in a spiral.

  13. GM3216247

    Install the intake camshaft position actuator adjuster (1).

  14. Mind the camshaft pin (2), the intake camshaft position actuator adjuster does fit in only one position.
  15. Install and hand tighten a NEW intake camshaft position actuator adjuster bolt (3).
  16. 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).
  17. Tighten the intake 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.
  18. GM3216237
    NOTE:

    A second technician is required.

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

  19. GM3213250
    NOTE:

    A 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).

  20. GM3216240

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

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

    Timing Chain Tensioner(1) - Install

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

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

  25. Remove the fixing tool (3) from the tensioner (1).
  26. GM2968105

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

  27. Remove the EN-51148  holding tool (1).
  28. GM2969141

    Upper Timing Chain Guide(1) - Install

  29. Upper Timing Chain Guide Bolt(2) - Install and tighten[2x] 7 N.m (62 lb in)
  30. 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).
  31. Engine Front Cover Replacement - Upper  - Install
  32. GM2191341

    Install the engine mount (5).

  33. Install 3 NEW engine mount to engine mount bracket bolts (3) and 3 washers (4).
  34. Install the 2 engine mount to body bolts (2) and the engine mount nut (1).
  35. Tighten the 2 engine mount to body bolts (2) and the engine mount nut (1) to 62 N.m (46 lb ft).
  36. Tighten the 3 NEW engine mount to engine mount bracket bolts (3) a first pass to 50 N.m (37 lb ft).
  37. Tighten the 3 NEW engine mount to engine mount bracket bolts a final pass to 60 - 75 degrees, using the EN-45059  meter.
  38. GM3213232

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

  39. Camshaft Cover Replacement  - Install
  40. Air Cleaner Assembly Replacement - Install