GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1998 🢒 GMC P42 Commercial Chassis 🢒 Engine 🢒 Engine Mechanical - 4.3L 🢒 Timing Chain and Sprocket Removal

Tools Required

J 5825-A Crankshaft Sprocket Puller


    Object Number: 45986 Size: SH
  1. Remove the crankshaft position sensor reluctor ring.

    2. Object Number: 188122 Size: SH
  2. Remove the camshaft sprocket bolts.
  3. Remove the camshaft sprocket.
  4. Remove the camshaft timing chain.

    5. Object Number: 11506 Size: SH
  5. Remove the crankshaft sprocket using the J 5825-A .
  6. Remove the crankshaft balancer key (if required).