FORD FUSION 2010 Repair Manual

•Large water droplets, drip marks or streaks present on the interior of
the lens
Take your vehicle to a dealer for service if any of the above conditions of
unacceptable moisture are present.
Using the right bulbs
Replacement bulbs are specified in the chart below. Headlamp bulbs
must be marked with an authorized “D.O.T.” for North America and an
“E” for Europe to ensure lamp performance, light brightness and pattern
and safe visibility. The correct bulbs will not damage the lamp assembly
or void the lamp assembly warranty and will provide quality bulb burn
time.
FunctionNumber of
bulbsTrade
number
* Headlamp high beam 2 H7LL
* Headlamp low beam 2 H11LL
Front sidemarker lamp 2 168
* Front park/turn signal lamp 23457NAK
(amber)
* Rear sidemarker lamp N/A LED
Stop/tail/turn lamp 2 T20
Backup lamp 2 921
License plate lamp 2 C5W
* High-mount brake lamp N/A LED
Fog lamp (if equipped) 2 H11
Map lamp 2 12V6W
Dome/reading lamp 6 578
Visor vanity lamp - Slide on Rail
system (SOR) (if equipped)2 37 or 14V1CP
Puddle lamp (if equipped) 2 W5W
Luggage compartment lamp 1 578
* To replace these lamps - see your authorized dealer.
All replacement bulbs are clear in color except where noted.
To replace all instrument panel lights - see your authorized dealer.
Lights
61
2010 Fusion(fsn)
Owners Guide, 4th Printing
USA(fus)
ProCarManuals.com

Replacing interior bulbs
Check the operation of all bulbs frequently.
Replacing exterior bulbs
Check the operation of all the bulbs frequently.
Replacing headlamp bulbs (2.5L/3.0L engines)
High beam/low beam bulb replacement
For driver side replacement of this bulb, do the following:
WARNING:To reduce the risk of vehicle damage and/or
personal burn injuries do not start your engine with the air
cleaner removed and do not remove it while the engine is running.
1. Release the clamps that secure the air filter housing cover. See
Changing the air filter elementin theMaintenance & Specifications
section for more information.
2. Carefully separate the two halves of the air filter housing.
3. Locate the mass air flow sensor electrical connector on the air outlet
tube. This connector will need to be unplugged.
4. Remove the air filter assembly.
5. Remove the rubber headlamp bulb access cover.
High beam
Lights
62
2010 Fusion(fsn)
Owners Guide, 4th Printing
USA(fus)
ProCarManuals.com

Low beam
6. Disconnect the electrical connector.
To install, reverse the removal procedure.
For passenger side replacement of the high beam bulb, do the
following:
1. Make sure the headlamp control is in the off position, then open the
hood.
2. Reach over the front bolster.
3. Disengage the windshield washer bottle flexible neck strap attachment
and move it to gain access to the bulb.
4. Remove the rubber headlamp bulb access cover.
5. Remove the bulb socket by
rotating it counterclockwise, then
pull it straight out of the lamp
assembly.
Lights
63
2010 Fusion(fsn)
Owners Guide, 4th Printing
USA(fus)
ProCarManuals.com

6. Disconnect the electrical
connector.
7. Carefully pull bulb straight out of
socket and install the new one.
WARNING:Handle a halogen headlamp bulb carefully and keep
out of children’s reach. Grasp the bulb only by its plastic base
and do not touch the glass. The oil from your hand could cause the
bulb to break the next time the headlamps are operated.
8. Install the rubber bulb access cover to the housing.
9. Re-apply pressure around the housing to make sure the protective
cover is completely seated.
10. Turn the headlamps on and make sure they work properly. If the
headlamp was correctly aligned before you changed the bulb, you should
not need to align it again.
Low beam bulb replacement
For passenger side replacement of the low beam bulb, do the
following:
1. Make sure headlamp control is in the off position, then open the hood.
2. At the wheel well, remove the
press pins from the splash shield.
Lights
64
2010 Fusion(fsn)
Owners Guide, 4th Printing
USA(fus)
ProCarManuals.com

3. Reaching through the wheel well,
remove the rubber bulb access
cover from the housing.
4. Remove the bulb socket by rotating it counterclockwise, then pull it
straight out of the lamp assembly.
5. Disconnect the electrical
connector from the bulb socket and
discard the old bulb socket.
WARNING:Handle a halogen headlamp bulb carefully and keep
out of children’s reach. Grasp the bulb only by its plastic base
and do not touch the glass. The oil from your hand could cause the
bulb to break the next time the headlamps are operated.
6. Connect the new bulb socket to the electrical connector.
7. Install the new bulb socket into the lamp assembly by aligning the
indexing fingers, then rotate clockwise to the locked position.
8. Install the rubber bulb access cover to the housing.
9. Re-apply pressure around the housing to make sure the protective
rubber cover is completely seated.
10. Turn the headlamps on and make sure they work properly. If the
headlamp was correctly aligned before you changed the bulb, you should
not need to align it again.
Lights
65
2010 Fusion(fsn)
Owners Guide, 4th Printing
USA(fus)
ProCarManuals.com

Replacing headlamp bulbs (3.5L engine)
High beam/low beam bulb replacement
For driver side replacement of the high beam/low beam bulbs, do the
following:
1. Make sure the headlamp switch is in the off position, then open the
hood.
2. Reach over the front bolster and remove the rubber bulb access cover
from the headlamp housing.
3. Remove the bulb socket by rotating it counterclockwise, then pull it
straight out of the lamp assembly.
4. Disconnect the electrical connector.
For passenger side replacement of the high beam bulb, see your
authorized dealer.
For passenger side replacement of the low beam bulb, do the
following:
1. Turn the steering wheel all the way to the left.
2. Remove the press pins located in
the wheel well and pull the wheel
liner back.
3. Reaching through the wheel well, remove the rubber headlamp bulb
access cover.
4. Rotate the headlamp bulb counterclockwise and remove the headlamp
bulb
5. Disconnect the electrical connector.
Lights
66
2010 Fusion(fsn)
Owners Guide, 4th Printing
USA(fus)
ProCarManuals.com

Replacing front parking lamp/turn signal bulbs (2.5L/3.0L engines)
1. Make sure headlamp control is in the off position, then open the hood.
2. Reach over the front bolster.
3. Disengage the windshield washer bottle flexible neck strap attachment
and move it to gain access to the bulb.
4. Remove the bulb socket by
rotating it counterclockwise, then
pull it out of the lamp assembly.
5. Carefully pull bulb straight out of
socket and push in the new one.
6. Install new bulb socket into the
lamp assembly by aligning the
indexing fingers, then rotate
clockwise to locked position.
Replacing front parking lamp/turn signal bulb (3.5L engine)
For driver side replacement of the front parking lamp/turn signal
bulb, do the following:
Lights
67
2010 Fusion(fsn)
Owners Guide, 4th Printing
USA(fus)
ProCarManuals.com

WARNING:To reduce the risk of vehicle damage and/or
personal burn injuries do not start your engine with the air
cleaner removed and do not remove it while the engine is running.
1. Release the clamps (2) that secure the air filter housing cover.
2. Carefully separate the two halves of the air filter housing.
3. Locate the mass air flow sensor electrical connector on the air outlet
tube (1). This connector will need to be unplugged.
4. Remove the air filter assembly.
5. Remove the bolts on the air inlet (3), then remove the air inlet.
6. Reach over the front bolster to access the bulb.
7. Remove the bulb socket by rotating it counterclockwise, then pull it
straight out of the lamp assembly.
Reverse these steps to complete the process.
For passenger side replacement of the front park/turn signal bulb, do
the following:
1. Turn the steering wheel left to gain access to the wheel well.
Lights
68
2010 Fusion(fsn)
Owners Guide, 4th Printing
USA(fus)
ProCarManuals.com

2. Remove the press pins located in
the wheel well and pull the splash
shield back.
3. Remove the bulb socket by rotating it counterclockwise, then pull it
straight out of the lamp assembly.
Replace with a new bulb, and reverse the removal steps to complete the
process.
Replacing front side marker bulbs
1. Make sure the headlamp control
is in the off position.
2. From underneath the vehicle,
partially remove the tire splash
shield by removing the press pins.
After removing to allow free access
to the front side marker lamp bulb
and electrical wire harness, the
splash shield should be able to be
repositioned.
3. Rotate the lamp clockwise while holding the electrical connector in
place. After rotating the lamp 90 degrees clockwise, pull and disengage
the wire harness and bulb from the lamp.
4. With the bulb exposed, carefully
remove the bulb from the socket by
grasping the bulb and pulling it
away from the wire harness.
Lights
69
2010 Fusion(fsn)
Owners Guide, 4th Printing
USA(fus)
ProCarManuals.com

Replace with a new bulb, and reverse the removal steps to complete the
process.
Replacing rear side marker lamp
For replacement of the rear side marker lamp, see your authorized
dealer.
Replacing tail/brake/turn signal/backup lamp bulbs
The tail/brake/turn signal and backup lamp bulbs are located in the tail
lamp assembly. Follow the same steps to replace either bulb.
1. Make sure the headlamp control is in the off position and open the
trunk.
2. Lift out trunk floor carpeting panel to access a luggage scuff plate
(hard molding) and a trunk side panel (dark grey, soft wheelhouse side
trim panel) at the lamp area.
3. Carefully pull/push the trunk side panel (dark grey, soft wheelhouse
side trim panel) outboard to expose the lamp assembly. The most
effective point to grasp the trunk side panel when pulling it out from the
luggage scuff plate is at it’s bottom edge where that edge meets the
exposed sheet metal of the trunk floor.
Note:Do not allow the trunk side panel to remain bent and untucked
from the luggage scuff plate (hard molding) for a long period of time.
Doing so may result in permanent deformation.
4. Remove the bulb socket by
turning it counterclockwise and
pulling it straight out.
5. Pull the bulb from the socket and
push in the new bulb.
6. Install the bulb socket into the
lamp assembly by rotating it
clockwise.
7. Carefully push the trunk side
panel (dark grey, soft wheelhouse
side trim panel) back in position to the luggage scuff plate (hard
molding).
8. Install trunk floor carpeting panel.
Replacing high-mount brake lamp bulb
Your vehicle is equipped with an LED center high-mount stop lamp. It is
designed to last the life of the vehicle. If replacement is required, see
your authorized dealer.
Lights
70
2010 Fusion(fsn)
Owners Guide, 4th Printing
USA(fus)
ProCarManuals.com