Lingenfelter L650500494 Lingenfelter F-Body SuperTube Air Intake 1994-1997 v4.2 User Manual
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• Carefully disconnect the three wire connector from the MAF.
• Pull up on the air box. Work the air box loose from the plastic intake.
• Remove the air intake and the MAF from the ribbed rubber intake elbow (leave the elbow mounted
to the vehicle).
• Now remove the MAF and rubber gasket from the plastic intake. It may be very difficult to remove
the MAF from the stock air tube - you may need one person to hold the air tube and another to hold
the MAF.
• CAUTION: Be very careful when handling the MAF. Do not dent, puncture or otherwise damage
the Honeycell located at the air inlet end of the MAF. Do not touch the sensing elements or allow
anything (including cleaning solvents and lubricants) to come in contact with them. Do not drop or
roughly handle the MAF. Do not to damage the rubber gasket - you will need to reuse it.
• In the space below where the stock air filter box was mounted, you will see a small black plastic
hollow air intake box that fed air to the air filter assembly. On Firebirds, the headlamp door module
is the device with wires leading to it that is mounted to this hollow air intake.
• The hollow box is secured to the vehicle by a plastic fastener. To remove the box, pry it out by slip-
ping a blade screwdriver underneath it (between the box and the metal of the vehicle, not under the
plastic fastener).
• On Firebirds, the headlight control module is attached to the hollow air box you have just removed.
It is secured by two plastic fasteners with Phillips head screws in them. Remove these two fasteners
by pushing up on the fastener to start the threads and then unscrew the screw, or pry the fastener
out with a screwdriver. Later, you will secure the module down with the hook and loop tape pro-
vided.
• You will be installing the air filter from under the car (you should not have to raise the vehicle). To
do so you will need to remove some fasteners that secure the plastic under-tray to the front, left cor-
ner of the vehicle (under where the air filter assembly was and under where the left side headlight is
located). First remove the last two bolts that secure the lower air deflector to the body (remove the
far left two bolts). The bolts have 8 mm heads and are mounted perpendicular to the ground (not
the ones mounted at an angle to the ground).
• Now you need to remove the seven remaining bolts that secure this front, left panel. These bolts
have 10 mm heads and are also mounted perpendicular to the ground. You do not need to remove
the plastic shroud - just remove the bolts that support it.
• Remove the air filter from the packaging. The filter is pre-oiled and is ready to install in the vehicle.
Remove the worm-gear clamp from the filter intake (and save to reinstall later).
• You should now be able to pull down on the far left hand corner of the plastic panel (the edge clos-
est to the tire) and slip the air filter into the space. The 4" circular inlet of the filter should fit up
through the existing hole in the body and be visible from inside the engine compartment. You may
now replace all of the bolts that secured the plastic under-tray.