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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 Timing Chain and Sprocket Replacement (LS7) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: View Of Crankshaft Key & Keyway
    GM156149Courtesy of GENERAL MOTORS COMPANY
  1. Install the key into the crankshaft keyway, if previously removed.
    2. Fig 2: Crankshaft Keyway
    GM3670432Courtesy of GENERAL MOTORS COMPANY
  2. Tap the key (1) into the keyway until both ends of the key bottom onto the crankshaft.
    3. Fig 3: Crankshaft Sprocket
    GM3670327Courtesy of GENERAL MOTORS COMPANY
  3. Install the crankshaft sprocket (1) onto the front of the crankshaft. Align the crankshaft key with the crankshaft sprocket keyway.
    4. Fig 4: View Of Crankshaft Sprocket & Installer
    GM1658237Courtesy of GENERAL MOTORS COMPANY
  4. Use the J 41478  crankshaft front oil seal installer (1) and the J 41665  crankshaft balancer and sprocket installer (2) in order to install the crankshaft sprocket. Install the sprocket onto the crankshaft until fully seated against the crankshaft flange.
    5. Fig 5: Timing Chain Tension Dampener
    GM3924703Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

  5. Install the timing chain dampener (1) and bolts (2). Tighten the bolts to 25 N.m (18 lb ft).
    6. Fig 6: Camshaft Sprocket And Timing Chain
    GM3924606Courtesy of GENERAL MOTORS COMPANY
    NOTE:
    • The sprocket teeth and timing chain must mesh.
    • The camshaft and the crankshaft sprocket alignment marks MUST be aligned properly.
  6. Position the camshaft sprocket (3) so the timing mark is in the 6 o'clock position.
  7. Install the camshaft sprocket (3), timing chain (2), and NEW bolts (1).
    8. Fig 7: Aligning Sprockets
    GM1649254Courtesy of GENERAL MOTORS COMPANY
  8. Inspect the sprockets for proper alignment. The mark 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.
  9. Tighten the camshaft sprocket bolts to 25 N.m (18 lb ft).
  10. Install the oil pump. Refer to Oil Pump, Screen, and Crankshaft Oil Deflector Replacement (LS7) .
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