GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2007 🢒 TopKick C-Series (Conventional) C4/C5 🢒 Engine 🢒 Engine Mechanical - 7.8L 🢒 Idler Gear Removal

    Object Number: 736677 Size: SH
  1. Rotate the crankshaft until the timing marks are aligned.

    2. Object Number: 736678 Size: SH
  2. Remove the bolt and washer from the idler gear.
  3. Remove the idler gear from the hub.
  4. Remove the mounting bolts from the hub.
  5. Remove the hub from the cylinder block.