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Home >> Chevrolet >> 2015 >> Camaro LS, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Mechanical - 6.2L (L99 LS3 LSA) Or 7.0L (LS7) - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Camshaft Replacement (LS3, LSA) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: View Of Camshaft
    GM1704626Courtesy of GENERAL MOTORS COMPANY
  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 And Bolts
    GM3665746Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    The gasket surface on the engine block should be clean and free of dirt and/or debris.

  5. Install the camshaft retainer (2) and bolts (1). Install the retainer with the sealing gasket facing the engine block.
    6. Fig 3: Identifying Camshaft Retainer Bolts
    GM1665445Courtesy of GENERAL MOTORS COMPANY
  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: Timing Belt Tensioner Retaining Pin
    GM1658249Courtesy of GENERAL MOTORS COMPANY
  7. Compress the timing chain tensioner guide and install the EN 46330  timing belt tensioner retaining pin.
    8. Fig 5: View Of Timing Chain Tensioner
    GM1658251Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

  8. Install the timing chain tensioner (232) and bolts (231). Tighten the timing chain tensioner bolts to 30 N.m (22 lb ft).
    9. Fig 6: Camshaft Sprocket And Timing Chain
    GM3665744Courtesy of GENERAL MOTORS COMPANY
  9. Align the camshaft sprocket so the timing mark is in the 6 o'clock position.
  10. Install the camshaft sprocket (3), timing chain (2), and NEW bolt (1).
    11. Fig 7: Identifying Camshaft & Crankshaft Marks
    GM1658268Courtesy of GENERAL MOTORS COMPANY
  11. 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.
    12. Fig 8: Locating Tensioner Pin
    GM1658271Courtesy of GENERAL MOTORS COMPANY
  12. Remove the EN 46330  timing belt tensioner retaining pin.
    13. Fig 9: Identifying Camshaft Sprocket Bolt Tightening Sequence
    GM1658274Courtesy of GENERAL MOTORS COMPANY
  13. Tighten the camshaft sprocket bolt.
    1. Tighten the bolt a first pass to 75 N.m (55 lb ft).
    2. Tighten the bolt a final pass to 50 degrees using J 45059  angle meter.
    14. Fig 10: Flywheel Holder
    GM1658136Courtesy of GENERAL MOTORS COMPANY
  14. Remove the J 42386-A  flywheel holding tool (1) and bolts.
  15. Install the starter motor. Refer to Starter Replacement (L99, LS3, LSA, LS7) .
  16. Install the oil pump, screen, and crankshaft oil deflector. Refer to Oil Pump, Screen, and Crankshaft Oil Deflector Replacement (L99, LS3,LSA) .
    17. NOTE:

    If camshaft replacement is required, the valve lifters must also be replaced.

  17. Install the valve lifters. Refer to Valve Lifter Replacement (Without AFM) Valve Lifter Replacement (With AFM) .
  18. Remove the air conditioning condenser. Refer to Air Conditioning Condenser Replacement (LSA LS3, L99) .
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