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How to Install Airaid MXP Series Cold Air Intake - Black SynthaMax Dry Filter on your Sierra

Installation Time

1 hours

American Muscle
Shop Parts in this Guide


Component Identification

1.Disconnect The Negative Battery Terminal!
A. Depr ess the Gr ey locking tabs in the PCV breather quick connect fittings and remove them from the
vehicle.
B. Loosen the clamps on the factory intake assembly and remove it from the vehicle.


2. Using an open end wrench, remove the passenger side fender brace and set it aside. Unplug the Mass Air Flow sensor, or MAF and un anchor it from the airbox. Unseat the airbox from it’s mounting grommets and remove the factory airbox.


3. . Remove the 4 bolts in the airbox mounting tray and set them aside. They will be reused in step 5. Remove the Tray, it will not be re used.


4. Install the Filter Adapter onto the Cold Air Box as shown using the three 1/4-20 Button Head Screws (#16) and 1/4” Flat Washers (#19).


5. Slide the Airbox assembly into the inner fender area and secure it using 3 of the OEM bolts removed in step 3. Apply the Airaid decal inside of the Airbox as shown.


6. Install the Barbed Fitting and Elbow into the Airaid Intake Tube as shown. Place the second Airaid decal inside of the recess on the Tube.


7. Transfer the Mass Air Flow sensor from the factory airbox into the Airaid Intake Tube. Secure the sensor using the two 8-32 Button Head Screws (#17).


8. Slide the Hump Hose with the #68 Hose Clamps onto the Filter Adapter and the Reducing Coupler with the #60 and #56 Clamps onto the throttle body. Leave the clamps loose for now.


9. Install the Airaid Intake Tube into the Hump Hose and couplers. Adjust for fit and tighten all four Hose Clamps.


10. Install the supplied Quick Connect Fittings on to the valve cover breather fittings.


11. Connect the Barbed Fittings on the Intake tube to the Quick Connect Fittings on the Valve covers using the 5/8 Breather hoses. The 9 1/2” Hose is to be used on the Passenger side and the 12” Hose is to be on the Drivers side.


12. Reconnect the Mass Air Flow sensor.


13. Install the Airaid Premium filter onto the Filter Adapter , and tighten the hose clamp.


14. . Install the Weather Strip onto the top edge of the Cold Air Box with the contour rolling away from the filter.


15. Reinstall the fender brace. Make sure all clamps, hoses, bolts, and screws are tight. Double check the hood clearance. Reconnect the negative battery cable.


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