GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 1999 🢒 Firebird 🢒 Engine 🢒 Engine Mechanical - 5.7L 🢒 Vapor Vent Pipe Replacement

Removal Procedure

    Object Number: 178557 Size: SH
  1. Remove the intake manifold. Refer to Intake Manifold Replacement .

    2. Object Number: 363239 Size: SH
  2. Remove the engine coolant air bleed pipe. Refer to Vapor Vent Pipe Removal .

Installation Procedure

    Object Number: 363239 Size: SH
  1. Install the engine coolant air bleed pipe. Refer to Vapor Vent Pipe Installation .

    2. Object Number: 178557 Size: SH
  2. Install the intake manifold. Refer to Intake Manifold Installation .