GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 HUMMER 🢒 2007 🢒 H3 🢒 Engine 🢒 Engine Controls and Fuel - 3.7L 🢒 Positive Crankcase Ventilation Hose/Pipe/Tube Replacement

Removal Procedure

    Object Number: 1350688 Size: SH
  1. Remove the air cleaner resonator and outlet duct. Refer to Air Cleaner Resonator and Outlet Duct Replacement .
  2. Disconnect the positive crankcase ventilation (PCV) fresh air tube (6) from the air cleaner resonator (1).
  3. Disconnect the PCV dirty air tube (2) from the following:
    4. • The camshaft cover (5)
    • The intake manifold (3)

Installation Procedure

    Object Number: 1350688 Size: SH
  1. Connect the PCV fresh air tube (6) to the air cleaner resonator (1).
  2. Connect the PCV dirty air tube (2) to the following:
    3. • The camshaft cover (5)
    • The intake manifold (3)
  3. Install the air cleaner resonator and outlet duct. Refer to Air Cleaner Resonator and Outlet Duct Replacement .