GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1998 🢒 GMC P42 Commercial Chassis 🢒 Engine 🢒 Engine Mechanical - 4.3L 🢒 Cylinder Head Removal

Cylinder Head Removal for GMC Truck GMC P42 Commercial Chassis 1998

  1. Remove the spark plugs.
  2. Remove the spark plug wire supports and bolts.
  3. Remove the coolant sensor (if applicable).

    4. Object Number: 5129 Size: SH
  4. Remove the cylinder head bolts and discard.

    5. Object Number: 5130 Size: SH

    Notice: After removal, place the cylinder head on 2 wood blocks in order to prevent damage to the sealing surfaces.

  5. Remove the cylinder head.

    6. Object Number: 5131 Size: SH
  6. Remove and discard the gasket.