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Mitsubishi Lancer Headlight Bulbs Replacement Guide
How to change a low beam, high beam, front turn signal or side marker bulb in an 8th generation 2008-2015 Lancer.

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2015 Lancer Headlight
Low Beam Light
Base of Low Beam Bulb
This automotive maintenance tutorial was specifically written to assist owners of the eighth generation (2008, 2009, 2010, 2011, 2012, 2013, 2014 & 2015) Mitsubishi Lancer in checking or changing the engine spark plugs in the MIVEC 4B11 2.0 liter or the MIVEC 4B12 2.4L inline four cylinder motors.

Owners of other Mitsubishi vehicles such as the Mirage, Lancer Evolution ("Evo"), Outlander, 3000GT, Diamante, Eclipse, Endeavor, Galant, Montero, ASX, Triton L200 and Raider may also find these DIY instructions to be helpful.

The replacement bulb part numbers are as follows: Low Beam # 9006, High Beam # 9005, Front Turn Signal 7440A (also WY21W or 7440NA) and Side Marker # 2827 (or WY5W).

On most Lancer models, no tools are needed to change the low beam bulbs.

You may need a 10mm socket with a 1/4" drive ratchet and a flathead screwdriver to access the high beam and turn signal bulbs.

Release Power Plug
1/4 Turn Counterclockwise
Pull Out Old Bulb
The first two steps are to open the hood and then move to the side of the vehicle with the burnt out headlight bulb.

The Low Beam bulb is located near the center of the assembly closer to the outer edge.

(To access the driver side low beam bulb on Lancer models with the turbocharged engine, you will need to remove the 10mm bolt that secures the relay box in place. For the passenger side on a turbo model, just lift up the engine coolant reservoir.)

Reach in behind the housing and gently pull back the retaining clip on the low beam bulb's electrical connector.

Slide the plug straight off the base of the bulb.

Rotate the old bulb 1/4 turn counterclockwise and pull it straight out of the housing.

Sylvania 9006 Low Beam
Insert New # 9006 Bulb
1/4 Turn Clockwise - Lock
Try to avoid touching the glass part of the new halogen bulb with your fingers or anything greasy in the engine bay.

If you do get the new bulb dirty, wipe it clean with a paper towel moistened with rubbing alcohol.

Insert the new # 9006 low beam bulb in to the housing and rotate it 1/4 turn clockwise to secure it in place.

Push On Power Plug
High Beam - Center of Housing
Loosen 10mm Bolt
Push the power plug straight on to the base of the new bulb until it clicks securely in to place.

The High Beam bulb is located at the center of the headlight housing.

To access the high beam bulb on the passenger side of the vehicle, you'll need to remove the 10mm bolt that holds the windshield wiper fluid filler hose in place.

Loosen the 10mm bolt in the counterclockwise direction and then push back the wiper fluid hose. Set the 10mm bolt aside in a safe place.

Push Back Wiper Fluid Hose
High Beam Dust Cover
1/4 Turn Counterclockwise
Rotate the round black plastic dust cover on the high beam bulb housing 1/4 turn counterclockwise before pulling it straight off.
Base of High Beam Bulb
1/4 Turn Counterclockwise
Sylvania # 9005
Gently pull back the retaining clip on the electrical connector and slide the plug straight off the base of the old bulb.

Rotate the base of the old high beam bulb 1/4 turn counterclockwise before pulling it straight out of the housing.

Install New High Beam
Cover - 1/4 Turn Clockwise
Turn Signal - Inner Corner
Avoid touching the glass part of the new halogen bulb with your fingers or anything greasy in the engine bay.

Insert the new 9005 bulb in to the housing and rotate it 1/4 turn clockwise to lock it in place.

Replace the black plastic dust cap and rotate it 1/4 turn clockwise to secure it in place.

The Front Turn Signal bulb is located at the inner edge of the headlight housing.


Turn Signal Bulb Socket
Plastic Radiator Cover
Pry Up Center of Pop Rivet
To access the front turn signal bulb sockets, you'll need to remove the fasteners on the black plastic radiator cover.

Pry up the center part of each pop rivet with a flathead screwdriver and then remove the entire fastener.

Remove Plastic Fastener
Remove Other Pop Rivets
Remove all of the pop rivets on the radiator cover.

To detach the air intake duct, you'll need to remove the two plastic Phillips head screws.

You don't have to detach the air intake duct if you are just replacing the passenger side front turn signal light bulb.

Mitsubishi-Lancer-Headlight-Bulbs-Replacement-Guide-028 Mitsubishi-Lancer-Headlight-Bulbs-Replacement-Guide-029
Lift Up Radiator Shield
Driver Side - Relay Box Bolt
Either remove the entire radiator cover or just raise the passenger side of the shield to access the turn signal bulb socket.
1/4 Turn Counterclockwise
Remove Bulb Socket
Pull Out Old Bulb
Reach in behind the headlight housing and rotate the yellow turn signal bulb socket 1/4 turn counterclockwise before pulling it straight out.
Two Air Intake Screws
Stripped Plastic Screw
Push In New # 7440A
I took pictures of the two plastic Phillips head screws on the air intake duct that I wasn't able to remove since they stripped immediately.

I would recommend that you pry out these screws and replace them with pop rivet fasteners that are easier to remove in the future.

Pull the old turn signal bulb straight out of the socket and push in a new # 7440A bulb. You may also be able to use the # 7440NA or WY21W bulb.

1/4 Turn Clockwise - Lock
Replace Plastic Cover
Push In Pop Rivets
Re-insert the bulb socket in to the housing and rotate it 1/4 turn clockwise to secure it in place.

Lower the plastic radiator cover back in to place.

Re-insert the plastic pop rivets and push down the center part of fastener to secure them in place.

Replace Fasteners
Side Marker - Outer Edge
1/4 Turn Counterclockwise
The Front Side Marker bulb is located at the outer edge of the housing.

Reach in and rotate the bulb socket 1/4 turn counterclockwise before pulling it straight out of the housing.

Bulb Socket Removed
Pull Out Old Bulb
Push In New # 2827
Pull the old bulb straight out of the socket and push in a new amber colored # 2827 or WY5W bulb.
1/4 Turn Clockwise - Lock
Replace Wiper Fluid Hose
Test New Headlight Bulbs
Re-insert the side marker bulb socket in to the housing and rotate it 1/4 turn clockwise to secure it in place.

If you removed the windshield wiper fluid fill tube, replace the 10mm bolt by turning it clockwise until it is snug.

Test the new bulbs by turning on the headlights, activating the hazard signals and flashing the high beams.

For more, check out my other 2008-2015 Mitsubishi Lancer DIY Repair & Maintenance Guides.

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