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Home >> Chevrolet >> 2010 >> Camaro LS, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Engine Mechanical - 6.2L - Repair Instructions - On Vehicle) >> Camshaft Replacement (LS3) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: View Of Camshaft
    GM1704626Courtesy of GENERAL MOTORS CORP.
  1. Lubricate the camshaft journals and the bearings with clean engine oil.
  2. Install the camshaft sprocket bolt into the camshaft front bolt hole.
    3. CAUTION: All camshaft journals are the same diameter, so care must be used in removing or installing the camshaft to avoid damage to the camshaft bearings.
  3. Using the bolt as a handle, carefully install the camshaft into the engine block.
  4. Remove the bolt from the front of the camshaft.
    5. Fig 2: Camshaft Retainer & Bolts
    GM1552492Courtesy of GENERAL MOTORS CORP.
    NOTE: The gasket surface on the engine block should be clean and free of dirt and/or debris.
  5. Install the camshaft retainer (203) and bolts (204). Install the retainer with the sealing gasket facing the engine block.
    6. Fig 3: Identifying Camshaft Retainer Bolts
    GM1665445Courtesy of GENERAL MOTORS CORP.
  6. Tighten the camshaft retainer bolts.
    • Tighten the first design hex head bolts (3) to 25 N.m (18 lb ft).
    • Tighten the second design TORX® head bolts (4) to 15 N.m (11 lb ft).
    7. Fig 4: View Of Compressed Tensioner & Pin
    GM1658249Courtesy of GENERAL MOTORS CORP.
  7. Compress the timing chain tensioner guide and install the EN 46330  . See Special Tools .
    8. Fig 5: View Of Camshaft Sprocket & Timing Chain
    GM1658265Courtesy of GENERAL MOTORS CORP.
  8. Align the camshaft sprocket so the timing mark is in the 6 o'clock position.
  9. Install the camshaft sprocket (205), timing chain (208), and bolt (206).
    10. Fig 6: Identifying Camshaft & Crankshaft Marks
    GM1658268Courtesy of GENERAL MOTORS CORP.
  10. Inspect the sprockets for proper alignment. The marks on the camshaft sprocket (1) should be located in the 6 o'clock position and the mark on the crankshaft sprocket (2) should be located in the 12 o'clock position.
    11. Fig 7: Locating Tensioner Pin
    GM1658271Courtesy of GENERAL MOTORS CORP.
  11. Remove the EN 46330  . See Special Tools .
    12. Fig 8: Tightening Camshaft Sprocket Bolt
    GM1658274Courtesy of GENERAL MOTORS CORP.
  12. Tighten the camshaft sprocket bolt.
    1. Tighten the bolt a first pass to 90 N.m (66 lb ft).
    2. Tighten the bolt a final pass to 40 degrees using J 45059  .
    13. Fig 9: View Of Special Tool & Bolts
    GM1658136Courtesy of GENERAL MOTORS CORP.
  13. Remove the J 42386-A  (1) and bolts. See Special Tools .
  14. Install the starter motor. Refer to Starter Replacement (LS3/L99) .
  15. Install the engine front cover. Refer to Engine Front Cover Replacement (L99) .
  16. Install the valve lifters. Refer to Valve Lifter Replacement (Without AFM)  or Valve Lifter Replacement (With AFM) .
  17. Install the radiator support.
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