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.
Removal & Installation
Disconnect negative battery cable. Remove any component necessary to gain access to PCM. For PCM location, see PCM LOCATION table. Loosen PCM connector retaining bolt (if equipped). Unplug harness connector from PCM. Remove 2 PCM mounting bolts. Remove PCM cover and PCM. On Excursion and Super-Duty Pickup, removal of left fender liner may be necessary to remove PCM connector. To install, reverse removal procedure.
| Model | Location | |
|---|---|---|
| Econoline | Left Rear Of Engine Compartment, Near Master Cylinder | |
| Excursion | Behind Left Side Of Instrument Panel, Near Brake Pedal, Through Bulkhead | |
| Expedition, Explorer, Mountaineer, Navigator, & Ranger | Right Rear Of Engine Compartment, Mounted On Cowl | |
| Pickup | ||
| F150 & F250 Light-Duty | Behind Right Kick Panel, Through Bulkhead | |
| Super-Duty | Behind Left Side Of Instrument Panel, Near Brake Pedal, Through Bulkhead | |
| Villager | Behind Glove Box | |
| Windstar | Right Rear Of Engine Compartment, Mounted On Cowl | |
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.