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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1162 (Engine Mechanical - 3.6L (6 Of 6)) >> Off-Vehicle R EPAIR Instructions (4 Of 4) >> Camshaft Cover Installation - Left Side (LY7) >> Installation

Camshaft Cover Installation - Left Side (LY7): Installation

WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying EN 46105-2 & Camshaft
    GM1832345Courtesy of GENERAL MOTORS CORP.
  1. Remove the EN 48383-2 from the rear of the left camshafts.
  2. Fig 2: Identifying Spark Plug Tubes on Cylinder Head
    GM1832346Courtesy of GENERAL MOTORS CORP.
  3. Install the EN 46101  onto the spark plug tubes of the left cylinder head. See Special Tools .
  4. Fig 3: View of Camshaft Cover & Bolts
    GM1871078Courtesy of GENERAL MOTORS CORP.
  5. Install the camshaft cover bolt grommets prior to installing the camshaft cover bolts.
  6. Wipe the camshaft cover sealing surface on the left cylinder head with a clean, lint-free cloth.
  7. Fig 4: Identifying Engine Front Cover Split Lines
    GM1832348Courtesy of GENERAL MOTORS CORP.
  8. Place a bead 8 mm (0.3150 in) in diameter by 4 mm (0.1575 in) in height of RTV sealant, GM P/N 12378521 (Canadian P/N 88901148) or equivalent, on the engine front cover split lines (1).
  9. Fig 5: View of Camshaft Cover and Cylinder Head
    GM1871080Courtesy of GENERAL MOTORS CORP.
  10. Place the left camshaft cover into position onto the left cylinder head.
  11. Fig 6: View of Camshaft & Bolts
    GM1871081Courtesy of GENERAL MOTORS CORP.
  12. Loosely install the left camshaft cover bolts.
  13. Fig 7: Identifying Tightening Sequence of Camshaft Cover and Bolts
    GM1871082Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
  14. Tighten the left camshaft cover bolts in the sequence shown.

    Tighten:  Tighten the left camshaft cover bolts in the sequence to 10 N.m (89 lb in).

  15. Fig 8: Identifying Spark Plug Tubes & Cylinder Head
    GM1871083Courtesy of GENERAL MOTORS CORP.
  16. Remove the EN 46101  from the spark plug tubes of the left cylinder head. See Special Tools .
  17. Fig 9: View of Spark Plugs and Cylinder Head
    GM1871069Courtesy of GENERAL MOTORS CORP.
  18. Install the NEW spark plugs into the left cylinder head.

    Tighten:  Tighten the spark plugs to 20 N.m (15 lb ft).

  19. Fig 10: Identifying Ignition Coils and Cylinder Head
    GM1871068Courtesy of GENERAL MOTORS CORP.
  20. Install the ignition coils.
  21. Fig 11: Identifying Ignition Coil Bolts and Cylinder Head
    GM1871067Courtesy of GENERAL MOTORS CORP.
  22. Install the ignition coil bolts.

    Tighten:  Tighten the ignition coil bolts to 10 N.m (89 lb in).