GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2009
🢒
Envoy - 4WD
🢒
Engine
🢒
Engine Controls and Fuel - 4.2L
🢒 Air Cleaner Outlet Resonator Replacement
Removal Procedure
Loosen the air cleaner outlet duct and air cleaner outlet resonator clamps (2).
Disconnect the air cleaner outlet duct from the air cleaner outlet resonator (3).
Remove the 2 air cleaner outlet resonator to engine bolts (4).
Disconnect the crankcase ventilation hose (1) from the valve cover port (2).
Disconnect the electrical connector to the intake air temperature (IAT) sensor.
Remove the air cleaner outlet resonator assembly (5) from the engine.
Installation Procedure
Connect the electrical connector to the IAT sensor.
Install the air cleaner outlet resonator assembly (5) to the engine making sure of the following:
•
The crankcase ventilation hose (1) is connected to the valve cover port (2).
•
The air cleaner outlet resonator (5) is properly fit to the throttle body assembly.
Caution:
Refer to
Fastener Caution
in the Preface section.
Install the 2 air cleaner outlet resonator to engine bolts (4) and tighten to
6 N·m (53 lb in)
.
Connect the air cleaner outlet duct to the air cleaner outlet resonator (3).
Properly position the air cleaner outlet duct and air cleaner outlet resonator clamps (2) then tighten to
4 N·m (35 lb in)
.