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Camshaft Installation - Left Side (LCS)

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Locating Camshaft Sealing Rings In Camshaft Grooves
    GM1306287Courtesy of GENERAL MOTORS CORP.
  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: Lubricating Camshaft Journals
    GM1978038Courtesy of GENERAL MOTORS CORP.
  2. Apply a liberal amount of lubricant GM P/N 12345501 (Canadian P/N 992704) or equivalent to the camshaft journals and the left cylinder head camshaft carriers.
    3. Fig 3: View of Camshafts and Cylinder Head
    GM1977898Courtesy of GENERAL MOTORS CORP.
  3. Place the left intake and left exhaust camshafts in position in the left cylinder head.
    4. Fig 4: Camshaft Flats Parallel With Camshaft Cover Rail
    GM1306293Courtesy of GENERAL MOTORS CORP.
  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: Identifying Markings On Bearing Caps
    GM1306294Courtesy of GENERAL MOTORS CORP.
  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 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 GM P/N 12345501 (Canadian P/N 992704) or equivalent to the camshaft bearing caps.
    7. Fig 6: Removing/Installing Camshaft Bearing Thrust Caps
    GM1977893Courtesy of GENERAL MOTORS CORP.
  7. Install the camshaft bearing thrust cap in the first journal of the left cylinder head.
  8. Install the remaining bearing caps with their orientation mark toward the center of the cylinder head.
  9. Hand start all the camshaft bearing cap bolts.
    10. Fig 7: View of Cap Bolt Tightening Sequence
    GM1978043Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Fastener Caution .
  10. Tighten the camshaft bearing cap bolts in the sequence shown to 10 N.m (89 lb in).
  11. Loosen the center intake camshaft bearing cap bolts 1, 2 and the center exhaust camshaft bearing cap bolts 3, 4.
  12. Retighten the center camshaft bearing cap bolts 1, 2, 3, 4 to 10 N.m (89 lb in).
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