GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2007 🢒 CTS 🢒 Engine 🢒 Engine Mechanical - 6.0L 🢒 Positive Crankcase Ventilation Hose/Pipe/Tube Replacement

Removal Procedure

    Object Number: 1481776 Size: SH
  1. Remove the engine sight shield. Refer to Upper Intake Manifold Sight Shield Replacement .
  2. Remove the PCV-fresh air pipe (4) from the air cleaner outlet duct.
  3. Remove the PCV-fresh air pipe (4) from the right valve rocker arm cover.
  4. Remove the PCV-dirty air hose (5) from the valley cover.
  5. Remove the PCV-dirty air hose (5) from the intake manifold.

Installation Procedure

    Object Number: 1481776 Size: SH
  1. Install the PCV-dirty air hose (5) to the intake manifold.
  2. Install the PCV-dirty air hose (5) to the valley cover.
  3. Install the PCV-fresh air pipe (4) to the right valve rocker arm cover.
  4. Install the PCV-fresh air pipe (4) to the air cleaner outlet duct.
  5. Install the engine sight shield. Refer to Upper Intake Manifold Sight Shield Replacement .