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How to Repair the Headlights on a 2003 Infiniti FX35

Infiniti equipped the 2003 FX35 models with a xenon bulb headlamp system. Over time, the bulb can fail because of vibration or shock caused by driving over rough road surfaces. The bulb and bulb socket snap into the back of the headlamp housing, allowing you replace the bulb without removing the entire headlamp assembly. Remove some engine compartment components to gain access to the headlamp housings.

Instructions

Passenger Side Headlamp Replacement

1

Turn the headlight control switch and the ignition switch to the Off position. Open the hood.

2

Locate the radiator overflow reservoir on the passenger side fender inside the engine compartment. Remove the overflow tube clamp from the radiator pressure cap tower, using pliers. Remove the reservoir mounting bolt, using a ratchet and socket. Pull the reservoir out of the engine compartment and place it in an upright position with the loose end of the overflow hose above the fluid level in the reservoir to prevent coolant loss.

3

Locate the headlamp socket on the rear of the headlamp housing. Rotate the headlamp cap counterclockwise to disengage it from the housing. Unsnap the socket retaining spring. Rotate the bulb socket assembly counterclockwise to disengage it from the housing and pull the bulb socket out of the housing.

4

Pull the old bulb out of the bulb socket. Insert the new bulb into position in the bulb socket. Insert the bulb socket in the housing and rotate it clockwise until it locks in the housing. Snap the socket retaining spring into position. Install the headlamp cap and rotate it clockwise until it locks in position.

5

Place the coolant overflow reservoir in position in the engine compartment. Install the reservoir mounting bolt and tighten it to 37 inch-pounds, using an inch-pound torque wrench and socket. Push the overflow tube onto the radiator pressure cap tower nipple and install the clamp, using pliers.

Driver Side Headlamp Replacement

6

Turn the headlight control switch and the ignition switch to the Off position. Open the hood.

7

Unsnap the four air cleaner case clips around the perimeter of the air cleaner case cover. Push the cover toward the driver side fender to disengage the cover from the air inlet duct, then lift the cover up and out of the engine compartment to gain access to the headlamp housing.

8

Locate the headlamp socket on the rear of the headlamp housing. Rotate the headlamp cap counterclockwise to disengage it from the housing. Unsnap the socket retaining spring. Rotate the bulb socket assembly counterclockwise to disengage it from the housing and pull the bulb socket out of the housing.

9

Pull the old bulb out of the bulb socket. Snap the new bulb in position in the bulb socket. Insert the bulb socket in the housing and rotate it clockwise until it locks in the housing. Snap the socket retaining spring into position. Install the headlamp cap and rotate it clockwise until it locks in position.

10

Place the air cleaner cover in the engine compartment. Cock the cover to the right and push it down until the grommet goes into the locator hole while guiding it onto the resonator below the cover. Push the cover to the left while guiding the air inlet duct into the hole in the side of the cover. Snap the four cover clips into position on the cover.

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