Expedition 4WD V8-4.6L SOHC VIN W (1999)
Idle Speed/Throttle Actuator - Electronic: Service and Repair
REMOVAL
1. Disconnect the battery ground cable.
2. Remove the bolts and the accelerator control splash shield.
3. Disconnect the electrical connector from the IAC valve.
4. Remove the two bolts and the Idle Air Control (IAC) valve.
5. Remove and discard the Idle Air Control (IAC) gasket.
INSTALLATION
1. To install, reverse the removal procedure. Install a new Idle Air Control (IAC) gasket. Tighten the two bolts in 2 stages.
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Stage 1:10 Nm (89 lb-in)
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Stage 2: Rotate 90 degrees
