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Home >> Chevrolet >> 2006 >> Silverado 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1164 (Engine Mechanical - 3.6L (6 Of 6)) >> Off-Vehicle R EPAIR Instructions (4 Of 4) >> Camshaft Cover Installation - Left Side (LLT) >> Installation

Camshaft Cover Installation - Left Side (LLT): 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: View of EN 48383-2 and Camshaft
    GM1978177Courtesy of GENERAL MOTORS CORP.
  1. Remove the EN 48383-2 from the rear of the left camshafts.
    2. Fig 2: Identifying Spark Plug Tubes and Cylinder Head
    GM1978178Courtesy of GENERAL MOTORS CORP.
  2. Install the EN 46101  onto the spark plug tubes of the left cylinder head. See Special Tools .
    3. Fig 3: View of Camshaft Cover
    GM1978179Courtesy of GENERAL MOTORS CORP.
  3. Install the camshaft cover bolt grommets prior to installing the camshaft cover bolts.
  4. Wipe the camshaft cover sealing surface on the left cylinder head with a clean, lint-free cloth.
    5. Fig 4: Identifying Placement of Sealant to Cover
    GM1832348Courtesy of GENERAL MOTORS CORP.
  5. 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).
    6. Fig 5: View of Camshaft Cover and Cylinder Head
    GM1978180Courtesy of GENERAL MOTORS CORP.
  6. Place the left camshaft cover into position onto the left cylinder head.
    7. Fig 6: View of Camshaft Cover and Bolts
    GM1978181Courtesy of GENERAL MOTORS CORP.
  7. Loosely install the left camshaft cover bolts.
    8. Fig 7: View of Tightening Sequence of Camshaft Cover
    GM1978182Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
  8. Tighten the left camshaft cover bolts in the sequence shown.

    Tighten: 

    1. Tighten the left camshaft cover bolts in the sequence to 10 N.m (89 lb in).
    2. Tighten the left camshaft cover bolts a second pass in the sequence to 10 N.m (89 lb in).

    9. Fig 8: View of Spark Plug Tubes & Cylinder Head
    GM1978183Courtesy of GENERAL MOTORS CORP.
  9. Remove the EN 46101  from the spark plug tubes of the left cylinder head. See Special Tools .
    10. Fig 9: Identifying Spark Plugs and Cylinder Head
    GM1978184Courtesy of GENERAL MOTORS CORP.
  10. Install the NEW spark plugs into the left cylinder head.

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

    11. Fig 10: View of Ignition Coils and Cylinder Head
    GM1977863Courtesy of GENERAL MOTORS CORP.
  11. Install the ignition coils.
    12. Fig 11: View of Ignition Coil Bolts and Cylinder Heads
    GM1977859Courtesy of GENERAL MOTORS CORP.
  12. Install the ignition coil bolts.

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

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