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 MANUALSMERCURY2010MOUNTAINEER 2WD V8-4.6LREPAIR AND DIAGNOSISWINDOWS AND GLASSWINDOWSPOWER WINDOW MOTORTESTING AND INSPECTIONWINDOW MOTOR INITIALIZATION - REAR
2010 Mercury Mountaineer 2WD V8-4.6L
Window Motor Initialization - Rear
2010 Mercury Mountaineer 2WD V8-4.6LSECTION Window Motor Initialization - Rear
Window Motor Initialization - Rear
WARNING: Keep objects and body parts clear of the glass panel when carrying out the initialization procedure. During the initialization procedure, the glass panel closes with high force and cannot detect objects in its path. Failure to follow this instruction may result in serious personal injury.
NOTE: The rear window motor is in error mode when shipped and will be inoperative until initialized.
NOTE: This procedure must be carried out when repairs are performed on any part of the power rear window system including when: the power rear window motor is removed from the window regulator drum housing, a new power rear motor is installed, a new power rear window regulator is installed, a new power rear window glass module is installed, and any operation in which grease or lubricants are applied to the power rear window system.
NOTE: All power rear window components (window glass module, window regulator, window motor and glass runs) must be installed and tightened to specification before carrying out this procedure.
1. Open the driver door. The door must remain open through the entire procedure.
2. Insert the key into the ignition and cycle to the RUN position 5 times, ending in the RUN position.
3. NOTE: When performing this step, movement of the rear window may not be seen, but the rear window motor will be active.
Depress and hold the power rear window control switch in the down position for 3 seconds and then release.
4. NOTE: If the rear window does not operate when performing this step, repeat steps 1,2 and 3.
Depress and hold the power rear window control switch in the down position for 3 seconds after the rear window stalls in the full down position.
5. Depress and hold the power rear window control switch in the up position for 3 seconds after the rear window stalls in the full up position.
6. Verify correct operation of the power rear window by moving the window to the VENT, fully OPEN and fully CLOSED positions. If the window does not operate correctly, carefully repeat this procedure.
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.