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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) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: View Of Special Tool & Bolts
    GM1658136Courtesy of GENERAL MOTORS CORP.
    NOTE: If camshaft replacement is required, the valve lifters must also be replaced.
  1. Remove the radiator support.
  2. Remove the valve lifters. Refer to Valve Lifter Replacement (Without AFM)  or Valve Lifter Replacement (With AFM) .
  3. Remove the engine front cover. Refer to Engine Front Cover Replacement (L99) .
  4. Remove the starter motor. Refer to Starter Replacement (LS3/L99) .
    5. CAUTION: Refer to Fastener Caution .
    NOTE: Ensure that the teeth of the J 42386-A  mesh with the teeth of the engine flywheel. See Special Tools .
  5. Install the J 42386-A  (1) and bolts. See Special Tools . Use one M10 - 1.5 x 120 mm and one M10 - 1.5 x 45 mm bolt for proper tool operation. Tighten the J 42386-A  bolts to 50 N. See Special Tools .m (37 lb ft).
    6. Fig 2: Identifying Camshaft & Crankshaft Marks
    GM1658268Courtesy of GENERAL MOTORS CORP.
  6. Rotate the crankshaft sprocket until the camshaft sprocket alignment mark (1) and the crankshaft sprocket alignment mark (2) are aligned.
    7. Fig 3: View Of Camshaft Sprocket, Timing Chain & Sprocket Bolt
    GM1658175Courtesy of GENERAL MOTORS CORP.
    CAUTION: Do not turn the crankshaft assembly after the timing chain has been removed in order to prevent damage to the piston assemblies or the valves.
  7. Remove the camshaft sprocket bolt (206).
  8. Remove the camshaft sprocket (205) and timing chain (208).
    9. Fig 4: Camshaft Retainer & Bolts
    GM1552492Courtesy of GENERAL MOTORS CORP.
  9. Remove the camshaft retainer bolts (204) and retainer (203).
    10. Fig 5: View Of Camshaft
    GM1704626Courtesy of GENERAL MOTORS CORP.
    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.
  10. Install the camshaft sprocket bolt into the camshaft front bolt hole.
  11. Using the bolt as a handle, carefully rotate and remove the camshaft from the engine block.
  12. Remove the bolt from the camshaft.
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