GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
HUMMER
🢒
2009
🢒
H3
🢒
Engine
🢒
Engine Mechanical - 3.7L
🢒 Positive Crankcase Ventilation Hose/Pipe/Tube Replacement
Removal Procedure
Remove the air cleaner resonator and outlet duct. Refer to
Air Cleaner Resonator and Outlet Duct Replacement
.
Disconnect the positive crankcase ventilation (PCV) fresh air tube (6) from the air cleaner resonator (1).
Disconnect the PCV dirty air tube (2) from the following:
•
The camshaft cover (5)
•
The intake manifold (3)
Installation Procedure
Connect the PCV fresh air tube (6) to the air cleaner resonator (1).
Connect the PCV dirty air tube (2) to the following:
•
The camshaft cover (5)
•
The intake manifold (3)
Install the air cleaner resonator and outlet duct. Refer to
Air Cleaner Resonator and Outlet Duct Replacement
.