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Home >> Pontiac >> 2009 >> Vibe Base, 2.4 0, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 (Engine Mechanical - 1.8L (Lay)) >> Repair Instructions - On Vehicle >> Intake Camshaft and Valve Lifter Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: View Of Camshaft Housing Sub-Assembly
    GM2016744Courtesy of GENERAL MOTORS CORP.
  1. Install the valve lash adjuster assembly.
  2. Install the No. 1 valve rocker arm subassembly.
  3. Install the 2 No. 1 camshaft bearings after cleaning both surfaces of the bearings.
    4. Fig 2: Measuring Distance Between Bearing Cap Edge & Camshaft Bearing Edge
    GM2016746Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Position the bearings to the center of the bearing cap by measuring dimensions A and B.
  4. Using vernier calipers, measure the distance between the bearing cap edge and the camshaft bearing edge.

    Specification:  Dimension (A-B): 0.7 mm (0.0276 in) or less

  5. Clean both surfaces of the bearings.
  6. Install the 2 No. 2 camshaft bearings.
    7. Fig 3: Measuring Distance Between Bearing Cap Edge & Camshaft Bearing Edge
    GM2016747Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Position the bearings to the center of the bearing cap by measuring dimension A.
  7. Using vernier calipers, measure the distance between the bearing cap edge and the camshaft bearing edge.

    Specification:  Dimension (A): 1.05-1.75 mm (0.0413-0.0689 in.)

  8. Clean the camshaft journals.
  9. Apply a light coat of engine oil to the camshaft journals, camshaft housings and bearing caps.
    10. Fig 4: View Of Camshaft
    GM2016738Courtesy of GENERAL MOTORS CORP.
  10. Install the No. 2 camshaft to the camshaft housing.
  11. Clean the camshaft journals.
  12. Apply a light coat of engine oil to the camshaft journals, camshaft housings and bearing caps.
    13. Fig 5: View Of Cylinder Head & Camshafts
    GM2016737Courtesy of GENERAL MOTORS CORP.
  13. Install the camshaft to the camshaft housing.
  14. Apply engine oil to the camshaft journals, camshaft housings and bearing caps.
    15. Fig 6: Locating Marks & Numbers On Camshaft Bearing Caps
    GM2016748Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Make sure that the knock pin of the camshaft is positioned as shown in the illustration.
  15. Make sure of the marks and numbers on the camshaft bearing caps and place them in each proper position and direction.
    16. Fig 7: Identifying Camshaft Bearing Cap Bolt Tightening Sequence
    GM2016750Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to FASTENER CAUTION .
  16. Install the 10 bolts in the order.

    Tighten:  Tighten the bolts to 16 N.m (12 lb ft).

    17. Fig 8: View Of Correct Rocker Arm Installation
    GM2016751Courtesy of GENERAL MOTORS CORP.
  17. Install the camshaft housing sub-assembly.
  18. Make sure that the valve rocker arm is installed as shown in the illustration.
    19. Fig 9: Applying Adhesive To Cylinder Head
    GM2016752Courtesy of GENERAL MOTORS CORP.
    IMPORTANT:
    • Remove any oil from the contact surface.
    • Install the camshaft housing sub-assembly within 3 minutes and tighten the bolts within 15 minutes after applying seal packing.
    • Do not start the engine for at least 2 hours after installing.
  19. Apply seal packing Three Bond 1207B or equivalent Bead diameter: 3.5-4.0 mm (0.138-0.158 in) in a continuous bead.
    20. Fig 10: View Of Setting Camshafts
    GM2016755Courtesy of GENERAL MOTORS CORP.
  20. Set the camshaft and No. 2 camshaft.
    21. IMPORTANT:
    • After installing the camshaft housing, make sure that the cam lobes are positioned.
    • If any of the bolts are loosened during installation, remove the camshaft housing, clean the installation surfaces, and reapply seal packing.
    • If the camshaft housing is removed because any of the bolts are loosened during installation, make sure that the previously applied seal packing does not enter any oil passages.
    • After installing the camshaft housing, wipe off any seal packing that seeped out from between the housing and the cylinder head.
  21. Install the camshaft housing and tighten the 17 bolts in the order.

    Tighten:  Tighten the bolts to 27 N.m (20 lb ft).

    22. Fig 11: View Of Camshaft Timing Gear Assembly
    GM2016756Courtesy of GENERAL MOTORS CORP.
  22. Install camshaft timing gear assembly.
  23. Check that the knock pin is installed on the camshaft.
    24. IMPORTANT: Do not forcefully push in the camshaft timing gear assembly. This may cause the camshaft knock pin tip to damage the installation surface of the camshaft timing gear assembly.
  24. Put the camshaft timing gear and camshaft together with the straight pin and key groove misaligned, as shown in the illustration.
    25. Fig 12: View Of Turning Camshaft Gear
    GM2016757Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Do not turn the camshaft timing gear in the retard direction (clockwise).
  25. Turn the camshaft timing gear as shown in the illustration while pushing it gently against the camshaft. Push further at the position where the pin fits into the groove.
    26. Fig 13: Identifying Clearance Between Gear & Camshaft
    GM2016759Courtesy of GENERAL MOTORS CORP.
  26. Measure the clearance between the gear and the camshaft.

    Specification:  Clearance: 0.1-0.4 mm (0.004-0.016 in.)

    27. Fig 14: View Of Tightening Camshaft Timing Gear
    GM2016760Courtesy of GENERAL MOTORS CORP.
  27. Install the flange bolt with the camshaft timing gear fixed in place.

    Tighten:  Tighten the bolt to 54 N.m (40 lb ft).

    28. Fig 15: Checking Camshaft Timing Gear Movement
    GM2016761Courtesy of GENERAL MOTORS CORP.
  28. Check that the camshaft timing gear can move in the retard direction (clockwise) and is locked in the most retarded position.
  29. Install the camshaft timing exhaust gear assembly.
  30. Check that the knock pin is installed on the camshaft.
    31. Fig 16: View Of Camshaft Timing Exhaust Gear & Camshaft
    GM2016762Courtesy of GENERAL MOTORS CORP.
  31. Put the camshaft timing exhaust gear and camshaft together by aligning the key groove and straight pin.
    32. IMPORTANT: Be sure not to turn the camshaft timing exhaust gear in the retard direction (clockwise).
  32. Lightly press the gear against the camshaft, and turn the gear. Push further at the position where the pin enters the groove.
  33. Check that there is no clearance between the gear flange and the camshaft.
    34. Fig 17: View Of Tightening Flange Bolt With Camshaft Timing Exhaust Gear Fixed
    GM2016769Courtesy of GENERAL MOTORS CORP.
  34. Install the flange bolt with the camshaft timing exhaust gear fixed.

    Tighten:  Tighten the bolt to 54 N.m (40 lb ft).

  35. Make sure that the camshaft timing exhaust gear is locked.
  36. Install the No. 1 chain vibration damper.
  37. Install the No. 2 chain vibration damper.
  38. Install the chain sub-assembly.
  39. Install the chain tensioner slipper.
  40. Install the timing chain cover oil seal.
  41. Install the timing chain cover sub-assembly.
  42. Install the crankshaft pulley.
  43. Install the No. 1 chain tensioner assembly.
  44. Install the cylinder head cover sub-assembly.
  45. Install the radio setting condenser.
  46. Install the thermostat.
  47. Install the inlet water.
  48. Install the inlet water hose.
  49. Install the water by-pass hose.
  50. Install the No. 1 water by-pass pipe.
  51. Install the No. 3 water by-pass hose.
  52. Install the ventilation hose.
  53. Inspect the exhaust manifold.
  54. Install the exhaust manifold.
  55. Install the manifold stay.
  56. Install the No. 1 exhaust manifold heat insulator.
  57. Install the oil level dipstick sub-assembly. Refer to Oil Level Indicator and Tube Replacement .
  58. Install the ignition coil assembly.
  59. Install the fuel injector assembly.
  60. Install the No. 1 delivery pipe spacer.
  61. Install the fuel delivery pipe sub-assembly.
  62. Install the fuel tube sub-assembly.
  63. Install the intake manifold.
  64. Remove the engine stand.
  65. Install the engine assembly with transaxle. Refer to Engine Replacement .
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