Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD2004ECONOLINE E150, VAN CARGO, 4.6 WREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 309 (AUTOMATIC TRANSMISSION)DESCRIPTION AND OPERATIONEXTERNAL CONTROLSSHIFT INTERLOCK SYSTEM
2004 Ford Econoline E150, Van Cargo, 4.6 W
Shift Interlock System
2004 Ford Econoline E150, Van Cargo, 4.6 WSECTION Shift Interlock System
WARNING: This page is about a different car, the 2004 Mercury Monterey and 2004 Ford Freestar. However, it is still accessible from the selected car via links, so may be relevant.
The shift interlock system consists of:
- a shift lock actuator.
- A transmission shift selector position insert, which bolts to the steering actuator housing, secures the shift lock actuator to the steering column.
- electrical circuits to supply power to lock and unlock the shift lock actuator.
The shift lock actuator locks the gearshift lever in PARK:
- when the ignition switch lock cylinder is in the LOCK position.
- with the ignition switch lock cylinder in the RUN position and the brake pedal released.
The shift lock actuator releases the gearshift lever:
- when the ignition switch lock cylinder is in the FIRST position.
- with the ignition switch lock cylinder in the RUN position and the brake pedal actuated.
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.