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Home >> GMC >> 2016 >> Terrain SL, Gas >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Engine Mechanical - 3.6L (LFX) - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Camshaft Replacement - Left Side >> Installation Procedure

Installation Procedure

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    Fig 1: Camshaft Sealing Rings In Camshaft Grooves
    GM1306287Courtesy of GENERAL MOTORS COMPANY
  1. Ensure that the camshaft sealing rings (1) are in place in the camshaft grooves. Camshaft sealing rings must be in place below the surface of the camshaft journal in order to avoid being pinched between the cylinder head and the camshaft caps.
    2. Fig 2: Camshaft Journal Lubrication Points
    GM2893824Courtesy of GENERAL MOTORS COMPANY
  2. Apply a liberal amount of lubricant (1) to the camshaft journals and the left cylinder head camshaft carriers. Refer to Adhesives, Fluids, Lubricants, and Sealers for recommended lubricant.
    3. Fig 3: Positioning Left Intake And Left Exhaust Camshafts In Left Cylinder Head
    GM2893825Courtesy of GENERAL MOTORS COMPANY
  3. Place the left intake (1) and left exhaust (2) camshafts in position in the left cylinder head.
    4. Fig 4: Rotating Camshaft Flats Parallel With Camshaft Cover Rail
    GM1306293Courtesy of GENERAL MOTORS COMPANY
  4. Position the camshaft lobes in a neutral position with the flats on the back of the camshafts up and parallel (1) with the left cylinder head camshaft cover rail.
    5. Fig 5: Left Cylinder Head Camshaft Bearing Cap Markings
    GM2537337Courtesy of GENERAL MOTORS COMPANY
  5. Observe the markings on the left cylinder head camshaft bearing caps. Each bearing cap is marked in order to identify its location. The markings have the following meanings:
    • The raised feature (1) must always be oriented toward the center of the cylinder head.
    • The I indicates the intake camshaft.
    • The E indicates the exhaust camshaft.
    • The number 2, 4, 6 indicates the cylinder position from the front of the engine.
  6. Apply a liberal amount of lubricant to the camshaft bearing caps. Refer to Adhesives, Fluids, Lubricants, and Sealers for recommended lubricant.
    7. Fig 6: Camshaft Bearing Cap And Camshaft Thrust Surface
    GM2537341Courtesy of GENERAL MOTORS COMPANY
  7. Apply a liberal amount of lubricant to the camshaft bearing cap (1) and camshaft thrust surface (2). Refer to Adhesives, Fluids, Lubricants, and Sealers for recommended lubricant.
    8. Fig 7: Camshaft Bearing Caps And Bolts
    GM2537349Courtesy of GENERAL MOTORS COMPANY
  8. Install the camshaft bearing thrust cap (1) in the first journal of the left cylinder head.
  9. Install the remaining bearing caps (2) with their orientation mark toward the center of the cylinder head.
  10. Hand start all the camshaft bearing cap bolts.
    11. Fig 8: Camshaft Bearing Cap Bolt Tightening Sequence
    GM1978043Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

  11. Tighten the camshaft bearing cap bolts in the sequence shown and tighten to 10 N.m (89 lb in).
  12. Loosen the center intake camshaft bearing cap bolts 1, 2 and the center exhaust camshaft bearing cap bolts 3, 4.
  13. Retighten the center camshaft bearing cap bolts 1, 2, 3, 4 and retighten the camshaft bearing cap bolts to 10 N.m (89 lb in).
  14. Install the camshaft position actuators. Refer to Camshaft Position Actuator Replacement - Bank 2 .
  15. Install the fuel pump. Refer to Fuel Pump Replacement .
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