GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2004 🢒 GTO 🢒 Engine 🢒 Engine Mechanical - 5.7L 🢒 Positive Crankcase Ventilation Hose/Pipe/Tube Replacement

Removal Procedure
  1. Remove the fresh air hose from the front fitting of the rocker cover and the throttle body.
  2. Remove the foul air hose from the throttle body and restricting orifice external connector.

Installation Procedure
  1. Install the foul air hose to the throttle body and restricting orifice external connector.
  2. Install the fresh air hose to the front fitting of the rocker cover and the throttle body.