GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1998 🢒 Astro - 4WD 🢒 Engine 🢒 Engine Mechanical - 4.3L 🢒 Cylinder Head Removal
  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.