Idle Air Control (IAC) Valve - 5.4L, 6.8L: Installation

WARNING: This page is about a different car, the 2004 Ford Pickup, 2004 Ford F550 Super Duty, 2004 Ford F450 Super Duty, 2004 Ford Excursion, and 2004 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

Install the IAC valve and tighten the bolts in two stages:
- Stage 1: Tighten to 10 Nm (89 lb-in).
- Stage 2: Tighten an additional 90 degrees.
Fig 1: Installing IAC Valve Bolts
Courtesy of FORD MOTOR CO.
Connect the throttle bypass hose.

Fig 2: Connecting Throttle Bypass Hose
Courtesy of FORD MOTOR CO.
Connect the IAC electrical connector.

Fig 3: Connecting IAC Electrical Connector
Courtesy of FORD MOTOR CO.
Connect the battery ground cable. Refer to BATTERY, MOUNTING AND CABLES .