GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2008 🢒 TopKick C-Series (Conventional) C4/C5 🢒 Engine 🢒 Engine Mechanical - 7.8L 🢒 Cylinder Head Disassemble

Tools Required

J 43263 Valve Spring Compressor


    Object Number: 736672 Size: SH
  1. Install the J 43263 to the cylinder and compress the valve spring.
  2. Remove the valve keys.
  3. Carefully release the valve spring tension.
  4. Remove the valve spring retainers.
  5. Remove the inner and outer valve springs.
  6. Remove the valve spring seats.

    7. Object Number: 736676 Size: SH
  7. Remove the valve stem seals.