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.
2007 Mercury MontereyFACTORY OEM SERVICE PROCEDURE
Shift Interlock System
The shift interlock system consists of:
- a brake shift interlock actuator.
- A transmission shift selector position insert, which bolts to the steering actuator housing, secures the brake shift interlock actuator to the steering column.
- electrical circuits to supply power to lock and unlock the brake shift interlock actuator.
The brake shift interlock 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 brake shift interlock 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.
Factory Service Tools
Use the Manual With the Right Hardware
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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.