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 MANUALSMITSUBISHI2009LANCER L4-2.4L (4B12)REPAIR AND DIAGNOSISWINDOWS AND GLASSWINDOWSWINDOW REGULATORFRONT DOOR WINDOW REGULATORSERVICE AND REPAIR
2009 Mitsubishi Lancer L4-2.4L (4B12)
Front Door Window Regulator: Service and Repair
2009 Mitsubishi Lancer L4-2.4L (4B12)SECTION Service and Repair
DOOR GLASS AND REGULATOR
REMOVAL AND INSTALLATION
Required Special Tool:
- MB990480: Window Glass Holder
Required Special Tool:
- MB990480: Window Glass Holder
REMOVAL SERVICE POINTS
[[A]] POWER WINDOW REGULATOR REMOVAL
1. Remove the door window glass installation bolts.
CAUTION: If tinting film is adhered to the door window glass, attach special tool MB990480 to the outside of the glass to prevent the film from peeling off.
2. Lift the door window glass, and attach special tool MB990480 to the glass as shown to prevent the glass from falling.
3. Remove the power window regulator.
[[B]] DOOR CENTER SASH REMOVAL
1. Remove the door outer opening weatherstrip from the door center sash only.
2. Remove the door center sash mounting screws, and then remove the door center sash from the door panel.
INSTALLATION SERVICE POINT
]]A[[ POST-INSTALLATION OPERATION CHECK
[Vehicles with auto down and auto up mechanism (Driver's side only)]
When the following procedures are carried out, carry out the learning procedures of the power window fully closed position.
- Power window regulator removal or replacement
- Power window switch removal or replacement
REMOVAL AND INSTALLATION
Post-installation Operation:
Removal Steps 1-3:
Required Special Tool:
- MB990480: Window Glass Holder
Removal Steps 1-6:
Required Special Tool:
- MB990480: Window Glass Holder
Removal Steps 1-7:
REMOVAL SERVICE POINTS
[[A]] POWER WINDOW REGULATOR REMOVAL
1. Remove the door window glass installation bolts.
CAUTION: If tinting film is adhered to the door window glass, attach special tool MB990480 to the outside of the glass to prevent the film from peeling off.
2. Lift the door window glass, and attach special tool MB990480 to the glass as shown to prevent the glass from falling.
3. Remove the power window regulator.
[[B]] DOOR CENTER SASH REMOVAL
1. Remove the door outer opening weatherstrip from the door center sash only.
2. Remove the door center sash mounting screws, and then remove the door center sash from the door panel.
INSTALLATION SERVICE POINT
]]A[[ POST-INSTALLATION OPERATION CHECK
[Vehicles with auto down and auto up mechanism (Driver's side only)]
When the following procedures are carried out, carry out the learning procedures of the power window fully closed position.
- Power window regulator removal or replacement
- Power window switch removal or replacement
RENDER: 1.0x
NO RELATED
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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.