Lingenfelter L650030504 Lingenfelter 2004 GTO Airbox Instructions v3.1 - Manual (Page 8)

Page 7 of 9
Install Mass Air Flow sensor to the new hose that has
just been installed. Take care to install the sensor with
the flow arrow pointing toward the engine. The arrow
should be pointing away from the air wall and toward
the new tube. Mass airflow should also be installed
so that the socket on the MAF that houses the MAF
connector is pointing toward the cabin of the car.
Tighten clamp connecting Mass Air Flow sensor to hose.
Do not overtighten clamps.
Reinstall Engine Coolant container to its original spot
in the engine compartment. Make sure all hoses are
still connected and there are no leaks as a result of this
installation.
Plug in the connector for the MAF sensor. Now feed
the air temperature sensor connector through the 3/4”
hole in the air box, pull all of the slack into the box. At
the point where the harness intersects the box, install the
2” piece of loom and work the grommet into position.
The grommet has a slot cut in it for installation. Using
WD40 on the grommet will ease the installation.