GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1996 🢒 Astro - 4WD 🢒 Engine 🢒 Engine Mechanical - 4.3L (VIN W) 🢒 Exhaust Manifold Installation
  1. Install the new exhaust manifold gaskets.

    2. Object Number: 43720 Size: SH
  2. Install the exhaust manifold.

    3. Object Number: 43728 Size: SH
  3. Install the heat shields.
  4. Install the exhaust manifold bolts.

    5. Tighten

        • Tighten the center exhaust bolts to 15 N·m (11 lb ft).
        • Tighten the front and rear exhaust bolts to 30 N·m (22 lb ft).