GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2005 🢒 GTO 🢒 Suspension 🢒 Front Suspension 🢒 Positive Crankcase Ventilation Hose/Pipe/Tube Replacement

Removal Procedure

    Object Number: 1481776 Size: SH
  1. Remove the right and left engine sight cover. Refer to Upper Intake Manifold Sight Shield Replacement

    2. Important: In the following service procedure, it maybe necessary to remove the evaporative emission (EVAP) valve assembly to gain access to the positive crankcase ventilation hose.

  2. Remove the evaporative emission canister purge solenoid valve (7). Refer to Evaporative Emission Canister Purge Solenoid Valve Replacement in Engine Controls - 6.0L.
  3. Remove the retaining clips (1) for the EVAP pipes (2) and (3).
  4. Remove the EVAP pipes (2) and (3).
  5. Remove the EVAP pipe (4) from intake air temperature (IAT) sensor at the air intake duct (8) the valve cover.
  6. Remove the hose (5) from the throttle body to the engine valley cover.

Installation Procedure

    Object Number: 1481776 Size: SH
  1. Install the hose (5) from the throttle body to the engine valley cover.
  2. Install the EVAP pipe (4) from IAT sensor at the air intake duct (8) the valve cover.
  3. Install the EVAP solenoid valve, if removed. Refer to Evaporative Emission Canister Purge Solenoid Valve Replacement in Engine Controls - 6.0L.
  4. Install the EVAP pipes (2) and (3).
  5. Install the retaining clips (1) for the EVAP pipes (2) and (3).
  6. Install the right and left engine sight cover. Refer to Upper Intake Manifold Sight Shield Replacement