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Mitsubishi Outlander Sport Tail Light Bulbs Replacement Guide
How to change a burnt out rear turn signal or reverse light bulb in a 3rd generation 2011-2017 Outlander Sport.

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2015 Outlander Sport Tail Lights
Open Tailgate Door
Loosen Counterclockwise
This automotive maintenance tutorial was specifically written to assist owners of the third generation (2011, 2012, 2013, 2014, 2015, 2016 and 2017) Mitsubishi Outlander Sport in changing a burnt out rear turn signal or reverse bulb in the tail light housings.

Owners of other Mitsubishi vehicles such as the Lancer, Outlander, Mirage, ASX, RVR, Galant, I-MIEV, Montero, Eclipse, 3000GT, Endeavor, Raider, Diamante, Attrage, Carisma, Colt, Grandis, Magna, Pajero and the Space Star may also find these DIY instructions to be helpful.

The compatible replacement light bulb part numbers are as follows: Rear Turn Signal # 7440 (or W21W) or Reverse Light Bulb # 921 (or W16W).

The tools needed to access and replace the tail light bulbs include a Phillips head screwdriver and a flathead screwdriver or a plastic pry bar tool.

Remove 2nd Screw
Two Phillips Head Screws
Pull Off Tail Light Housing
The first two steps are to open the tailgate door and move to the side of the SUV with the burnt out tail light bulb.

Remove the two screws located along the inner edge of the tail light housing by turning them counterclockwise with a Phillips head screwdriver.

Set the two screws aside in a safe place.

Gently pull the tail light assembly straight off the rear corner of the vehicle.

If you have trouble removing the tail light, use a plastic pry bar tool to gently loosen it along the outer edge.

The housing is also held in place by a metal peg inserted in to a grommet and a plastic slot that slides on to the button head of a pop rivet on the rear corner of the SUV.

Turn Over To Access Bulb
Grommet & Pop Rivet
Metal Peg & Plastic Slot
Turn over the tail light housing to access the bulb socket.

(The brake light is composed of LED bulbs that should last the life time of the vehicle.)

1/4 Turn Counterclockwise
Rear Turn Signal Bulb Socket
Pull Out Old Light Bulb
Rotate the rear turn signal light bulb socket 1/4 turn counterclockwise before pulling it straight out of the housing.

Pull the old number 7440 light bulb straight out of the socket.

Push In New 7440 Bulb
1/4 Turn Clockwise - Lock
Metal Peg & Plastic Slot
Push a new # 7440 light bulb straight in to the socket.

Re-insert the bulb socket in to the housing and rotate it 1/4 turn clockwise to secure it in place.

Line up the metal peg or "spike" on the back side of the light housing with its plastic grommet.

Line up the plastic "C" slot on the back of the housing with the white plastic pop rivet head on the rear corner of the SUV.


Push On Tail Light Assembly
Tighten Screws Clockwise
Two Phillips Head Screws
Push the tail light housing back in to place.

Replace the two screws along the inner edge of the housing by turning them clockwise with a Phillips head screwdriver.

Try to avoid over tightening the two screws to prevent from cracking the plastic inner edge of the housing.

Reverse Light - Tailgate
Plastic Access Cover
Gently Pry Out Panel
The reverse light bulb is located in a separate housing attached to the cargo area tailgate door.

Open the tailgate and locate the rectangular shaped plastic access cover.

Use a flathead screwdriver or a plastic pry bar tool and remove the access cover.

Insert the blade of the screwdriver in to the small notch on the inner edge of the cover.

Access Cover Removed
Reverse Light Bulb Socket
1/4 Turn Counterclockwise
Set the access cover aside in a safe place.

Rotate the base of the reverse bulb socket 1/4 turn counterclockwise before pulling it straight out of the housing.

Pull Out Old Reverse Bulb
Push In New # 921 Bulb
1/4 Turn Clockwise - Lock
Pull the old light bulb straight out of the socket.

Push a new miniature wedge base number 921 light bulb in to the socket.

Re-insert the bulb socket in to the housing and rotate it 1/4 turn clockwise to secure it in place.

Re-Insert Plastic Tabs
Pop In Plastic Access Cover
Test New Tail Light Bulbs
Re-insert the plastic tabs on the outer edge of the plastic access cover back in to the tailgate panel.

Gently snap in the inner edge of the access cover.

To test the new tail light bulbs, have an assistant step on the brake pedal, activate the hazard signals and place the transmission in reverse.

For more, check out all of my 2011-2017 Mitsubishi Outlander DIY Repair & Maintenance Guides.

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