GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Corvette 🢒 Engine 🢒 Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L 🢒 Timing Chain and Sprocket Removal

Timing Chain and Sprocket Removal 6.2L LS3

Special Tools

    • J 8433 Two Jaw Puller
    • J 41558 Crankshaft Sprocket Remover
    • J 41816-2 Crankshaft End Protector

For equivalent regional tools, refer to Special Tools


    Object Number: 1658175 Size: SH

    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.

  1. Remove and discard the camshaft sprocket bolt (206).
  2. Remove the camshaft sprocket (205) and timing chain (208).

    3. Object Number: 1658178 Size: SH
  3. Remove the bolts (231) and timing chain tensioner (232).

    4. Object Number: 1658180 Size: SH
  4. Use the J 41816-2 end protector  (1), the J 41558 remover  (2), bolts (3), and the J 8433 puller  (4) in order to remove the crankshaft sprocket.

    5. Object Number: 1658182 Size: SH
  5. Remove the crankshaft sprocket (207).

    6. Object Number: 156149 Size: SH
  6. Remove the crankshaft sprocket key, as required.

Timing Chain and Sprocket Removal 6.2L LS9

Special Tools

    • J 8433-1 Puller Bar
    • J 41558 Crankshaft Sprocket Remover
    • J-41558-10 Crankshaft Sprocket Remover Bolts
    • J 41816-2 Crankshaft End Protector

For equivalent regional tools, refer to Special Tools


    Object Number: 2054186 Size: SH

    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.

  1. Remove the camshaft sprocket bolts (1).
  2. Remove the camshaft sprocket (2) and timing chain (3).

    3. Object Number: 2054189 Size: SH
  3. Remove the bolts (1) and chain tensioner (2).

    4. Object Number: 1552486 Size: SH
  4. Use the J 41816-2 protector  (1), the J 41558 remover  (2), the J-41558-10 remover bolts  (3) and the J 8433-1 puller  (4) in order to remove the crankshaft sprocket.

    5. Object Number: 1552487 Size: SH
  5. Remove the crankshaft sprocket (207).

    6. Object Number: 156149 Size: SH
  6. Remove the crankshaft sprocket key, as required.

Timing Chain and Sprocket Removal 7.0L

Special Tools

    • J 8433-1 Puller Bar
    • J 41558 Crankshaft Sprocket Remover
    • J-41558-10 Crankshaft Sprocket Remover Bolts
    • J 41816-2 Crankshaft End Protector

For equivalent regional tools, refer to Special Tools


    Object Number: 1552489 Size: SH

    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.

  1. Remove the camshaft sprocket bolts (206).
  2. Remove the camshaft sprocket (205) and timing chain (208).

    3. Object Number: 1552490 Size: SH
  3. Remove the bolts (231) and chain dampener (232).

    4. Object Number: 1552486 Size: SH
  4. Use the J 41816-2 protector  (1), the J 41558 remover  (2), the J-41558-10 bolts  (3) and the J 41816-2 puller  (4) in order to remove the crankshaft sprocket.

    5. Object Number: 1552487 Size: SH
  5. Remove the crankshaft sprocket (207).

    6. Object Number: 156149 Size: SH
  6. Remove the crankshaft sprocket key, as required.