Saturday, May 4, 2013

How to Install a Cone Filter in an Audi A4


1. Open your hood and locate the air filter box and intake tube. Turbo models will feature a heftier intake that attaches to the turbocharger, while naturally aspirated engines have intake that attaches to only the throttle body.
2. Disconnect the electrical wiring, hoses and mass air flow meter that attach to the factory intake tube and set aside for use with the new intake system. Unfasten the hardware that holds the intake tube in place and remove slowly, careful not to spill any debris. If necessary, use a flat-head screwdriver to assist you in removing the intake tube.
3. Unscrew the bolts that hold the stock air filter box into place. Remove this factory intake box completely and dispose of it properly, as you will not need the filter or its housing box for the new install.
4. Check the new intake tube and count the number of holes that are drilled into the side. If there are more holes than hoses that attached to the old setup, plug the unnecessary holes with the grommets that came with your intake kit.
5. Attach the new intake tube to your A4 directly as the old one was removed. This part will mimic the old intake tube in design and functionality, while the filter itself will be positioned differently and provide better performance. Secure the intake tube with the silicone coupling that came with your cold air intake kit. There should also be a clamp ring that came with your kit to hold the silicone coupling and intake tube into place.
6. Attach the downward piece of the intake tubing system to the newly installed tube from Step 5. By this point, the intake tube should extend to the front of the engine bay and underneath the front of the car. The cold air will come in through the bottom of the front side of the vehicle, increasing horespower and fuel efficiency in your Audi A4.
7. Spray down the new air filter with the necessary lubricant before installing. Position the cone air filter that was provided in the cold air intake kit onto the downward intake tube. Tighten the clamp fitted around the cone filter to secure into place. Reconnect any remaining hoses and wiring that were removed at this time.

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