How To Replace A Nissan Altima Headlight
Replacing the headlight assembly on a Nissan Altima can be a bit more complicated than simply replacing the bulb - you may even need a helper. The exact procedure to replace the headlight assembly can vary depending on the year, model, or generation of your Altima. Always consult your owner's manual for exact specifics on repair steps and fastener sizes. Read on below for a basic guide that will walk you through the steps involved.
Tools And Materials Needed
- New headlight assembly
- Screwdrivers (Phillips and flat-head)
- Socket and ratchet set
- Combination wrench set
- Cordless drill with screwdriver bits and socket attachment (optional, but recommended for quicker repair)
- Trim removal tool (optional, but recommended to avoid trim and fastener damage)
- Work Gloves
Replacing The Headlight Assembly
Begin by parking your Altima on a flat surface. Turn off the engine and set the parking brake to be sure everything will stay securely in place. Open the hood and secure it in the open position with the prop rod. Have a phone or camera ready to take photos along the way in case you need to refer back to them.
Remove The Front Bumper Fascia (If Needed)
- Depending on the model year of your Nissan Altima, you may need to remove the front bumper to provide complete access to all the headlight assembly fasteners.
- The bumper fasteners are usually located along the top of the grille, in the wheel wells, and underneath the bumper fascia. Starting from the bottom, remove the screws and push clips holding the bumper in place.
- Ensure that electrical connectors for side marker or fog lights are disconnected before pulling off the bumper fascia. Carefully pull the bumper away from the vehicle, ensuring you don’t damage any attached wires or clips. Place the bumper aside.
Remove The Old Headlight Assembly
- Disconnect all electrical connectors from the back of the headlight assembly. Connectors may include high and low beams, turn signals, and daytime running lights. Some premium headlight assemblies may have a single electrical connector to unplug.
- Locate and remove the bolts or other fasteners securing the headlight assembly.
- Carefully remove the headlight assembly from the vehicle. Take care not to scratch the paint or damage any surrounding components.
Install The New Headlight Assembly
- Position the new OEM headlight assembly, aligning the mounting points to the vehicle.
- Loosely install the fasteners to ensure proper alignment.
- Tighten screws and torque bolts to specifications as needed. Be careful not to overtighten fasteners, which can crack or deform the headlight mounts.
- Reconnect all electrical connectors to the new headlight assembly.
- Test the operation of all lights before continuing with reassembly.
Reinstall The Front Bumper Fascia
- Position the front bumper fascia to the vehicle.
- Loosely install the fasteners to ensure proper alignment.
- Ensure all fasteners are installed and tightened.
Final Inspection
When you're all done, close the hood and ensure the headlamps and bumper fascia are properly aligned to the vehicle. Verify proper headlight aim - refer to the owner’s manual for instructions on how to fine-tune the headlight adjustment.
Important Tips
- Always follow safety precautions.
- Vehicle age and condition may increase the difficulty of the repair or require additional replacement parts.
- Take pictures as you work to document how to reinstall the parts.
- Keep parts organized to ensure they go back to the correct location.
- Learn more about how to diagnose a failing headlight here.
OEM Nissan headlight assemblies include a minimum 12-month warranty from the date of purchase. Learn more about the advantages of OEM Nissan headlight components here. If you have questions about new headlights for your Nissan Altima, email us or give us a call.
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