GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2005 🢒 TopKick C-Series (Conventional) C4/C5 🢒 Engine 🢒 Engine Mechanical - 6.6L (LLY) 🢒 Valve Rocker Arm, Shaft, and Push Rod Removal

    Object Number: 660481 Size: SH
  1. Loosen the valve clearance lock nuts on each rocker arm.
  2. Loosen the valve clearance adjusting screw on each rocker arm to relieve tension on the valve train.

    3. Object Number: 660486 Size: SH
  3. Remove the rocker arm shaft assembly bolts in the proper sequence.
  4. Remove the rocker arm shaft assembly from the cylinder head.

    5. Object Number: 660488 Size: SH
  5. Remove the valve bridge pins.
  6. Remove the valve bridges.
  7. Remove the pushrods.