2004-2005 FORD FOCUS COLD AIR INTAKE SYSTEM PART NUMBER: 21-452 INSTALLATION INSTRUCTIONS

2004-2005 FORD FOCUS COLD AIR INTAKE SYSTEM PART NUMBER: 21-452 INSTALLATION INSTRUCTIONS - Read and understand these instructions BEFORE attempting to install this product. Failure to follow installation instructions and not using the provided hardware may damage the intercooler system, throttle body and engine. 1. Preparing Vehicle a. Make sure vehicle is parked on level surface. b. Set parking brake. c. If engine has run in the past two hours, let it cool down. d. Disconnect negative battery terminal. e. Raise the front of the vehicle with a jack. Refer to your owner’s manual for proper jack and jack stand placement to properly support vehicle.

Support your vehicle using properly rated jack stands before wheel removal or while working under the vehicle. NEVER WORK UNDER A VEHICLE WITHOUT USING JACK STANDS. i. Remove the driver side wheel. f. Do not discard stock components after removal of the factory system. 2. Removal of stock system d. Remove the upper air box and the bolt in the frame rail. Release the metal clamp from the Mass Air Flow (MAF) sensor housing. c. Loosen the two bolts that secure the upper air box. a. Factory air box system installed. b. Release the fitting on the inlet pipe nipple. Loosen the hose clamp at the throttle body. e. Unplug the MAF sensor. Loosen hose clamp at the bottom of the MAF housing. f. Remove the MAF housing. Confirm that the air straightener is still attached to the lower opening. g. From underneath the vehicle, remove the two screws that secure the splash shield. h. Pull the air snorkel from the splash shield and remove the splash shield. i. Remove the two screws at the upper rear section of the lower air box. j. Remove the screw at the upper front section of the lower air box. Remove the lower air box. 3. Installation of AEM® Intake System a.

When installing the intake system, do not completely tighten the hose clamps or mounting hardware until instructed to do so. b. Place the rubber reducer and hose clamps onto the throttle body. c. Secure the upper inlet pipe to MAF housing with the supplied bolts. d. Place the silicone reducer onto the MAF housing. e. Install the upper pipe onto the throttle body. Attach the breather hose to nipple on the intake pipe.

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