Airaid 400-590 Installation Instructions

# 400-590 INSTALLATION INSTRUCTIONS

97-03 Ford F-150/97-04 Expedition 4.6L

Thank you for purchasing the PowerAid Throttle Body Spacer. Please read the
instruction manual carefully before proceeding with the installat ion . Contact AIRAID @
[phone] 8:00 AM - 5:00 PM MST Weekdays for questions regarding fit or in­structions that are not clear to you. Your PowerAid Throttle Body Spacer was carefully
inspected and packaged. Check that no parts are missing, or were damaged during
shipping. If any parts are missing, please contact AIRAID.

Thank you for selecting AIRAID.

Also available for your F-150/Expedition,
the AirAid Intake System p/n 400-109. Call
For Details!

Included with your Poweraid Spacer is a sticker with a California Air Resources Board
(C.A.R.B.) Executive Order (EO) number. This sticker must be placed in plain view inside of
the engine compartment. Failure to do so may prevent you from passing a smog inspection.

Parts List

(1) Power Plate

(2) Gaskets

(3) Linkage Plates

(3) 6mm x 16mm Flat Head Screws

(4) 6mm x 50mm Bolts

(4) 6mm Washers

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Tools List

10mm Socket
5/32 Hex Key

Standard Screwdriver

Installation Instructions. Read Me!

1. DISCONNECT NEGATIVE (-) BATTERY CABLE.

2. Remove throttle body intake assembly.

3. Remove (2) bolts & save from linkage bracket. (Ref. “C”)

4. Remove (4) bolts from throttle body. (Ref. “D”)

5. Remove gasket and clean surfaces.

6. Install power plate with (2) gaskets. (Ref. “A”)

A. Place one gasket between the throttle body and power plate.
B. Place second gasket between the power plate and manifold.

7. Replace (4) 6mm x 50mm bolts (Ref. “D”) using Step 4 as an example.

8. Locate and install (2) linkage plates using (2) 6mm x 16mm flat head screws. (Ref. “C”)

9. Reinstall linkage bracket using saved bolts. (Refer to Step 3)

10. Install (1) linkage plate for plastic intake cover. (Ref. “C”)

11. Inspect & Test throttle linkage for full Open & Closed travel before driving. Some cruise or kickdown cables
may require adjustment. Please refer to your vehicles service manual for proper adjusting.

12. Reinstall throttle body intake assembly using Step 2 as an example.

13. Reconnect battery cable. Enjoy!

The sound of power...The “whistle” means its working!

Ref. “C”- (3) Linkage Plates
(3) 6mm x 16mm Flat Head Screws

Ref. “A”- (1) Power Plate
(2) Gaskets

Ref. “D”- (4) 6mm x 50mm Bolts
(4) 6mm Washers

Ref. “B”- Throttle Body

AIRAID Filter Co. 2688 E Rose Garden Ln. Phoenix AZ 85050 [phone] [e-mail] www.airai d.com

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Rv.07/12/06