🔧 Traverse - Headlight Bulb Replacement

On your Traverse, the easiest way to reach the headlight bulbs is typically through the front wheel-well liner (the plastic splash shield inside the fender). You’ll remove a few fasteners, peel the liner back, swap the bulb(s), then reinstall everything.

Assumption: You mean replacing both low-beam headlight bulbs (left + right). (High-beam bulbs are a different bulb type and are replaced similarly.)

Difficulty Level: Beginner | Estimated Time: 0.8-1.5 hours

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⚠️ Safety & Precautions

• ⚠️ Let the headlights cool down before touching the bulb area (bulbs and housings get very hot).
• ⚠️ Do not touch the glass on a halogen bulb with bare fingers; skin oils can shorten bulb life.
• ⚠️ Support the vehicle with jack stands if you lift it—never rely on a jack alone.
• ⚠️ Turn the headlight switch OFF and remove the key before starting.

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🔧 Required Tools

You'll need the following tools for this repair:

• Safety glasses
• Nitrile gloves
• Wheel chocks
• Floor jack (rated 3-ton minimum)
• Jack stands (rated 3-ton minimum)
• Lug wrench
• 22mm socket
• Ratchet
• Trim clip removal tool
• Flathead screwdriver
• Flashlight

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🔩 Required Parts

HowToo sells all the parts you need for this repair:

• Low beam headlight bulb (H11) - Qty: 2
• High beam headlight bulb (9005) - Qty: 2

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📋 Before You Begin

• Park on level ground, shift to Park, and set the parking brake.
• Chock a rear wheel with wheel chocks.
• Turn the steering wheel full-left to access the right side, and full-right to access the left side (this creates more room at the liner).
• Tip: Replacing bulbs in pairs keeps brightness even.

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🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Loosen the front wheel lug nuts (optional but easier)

• Use a lug wrench to slightly loosen the front wheel lug nuts on the side you’re working on (about 1/4 turn).
• If you won’t remove the wheel, you can skip this step, but access may be tighter.

Step 2: Lift and support the front corner

• Use a floor jack (rated 3-ton minimum) to lift the front corner at the proper jacking point.
• Set the vehicle onto jack stands (rated 3-ton minimum).
• Give the vehicle a gentle shake to confirm it’s stable.

Step 3: Remove the front wheel (recommended)

• Use a 22mm socket with a ratchet to remove the lug nuts, then remove the wheel.
• When reinstalling later: Torque to 190 Nm (140 ft-lbs) using a 22mm socket.

Step 4: Peel back the front wheel-well liner

• Use a trim clip removal tool to remove the plastic fasteners along the front portion of the wheel-well liner.
• A “push-pin retainer” is a plastic clip that locks when the center pin is pushed in; use the trim clip removal tool or flathead screwdriver to gently pop the center up, then remove the clip.
• Use a flashlight to locate the opening behind the headlight.
• Pull the liner back just enough to reach the bulb socket.

Step 5: Remove the low-beam bulb (H11)

• Locate the low-beam bulb socket on the back of the headlight assembly (it will have a wiring connector plugged into it).
• Use your gloved hand (or nitrile gloves) to rotate the bulb socket counterclockwise about 1/4 turn, then pull it straight out.
• Disconnect the wiring connector from the bulb by pulling it straight off (use a flathead screwdriver gently only if it’s stuck).

Step 6: Install the new low-beam bulb (H11)

• Wear nitrile gloves and avoid touching the glass.
• Plug the wiring connector onto the new bulb until it clicks/fully seats.
• Insert the bulb into the headlight housing, align the tabs, then rotate clockwise to lock it in place.
• Tip: If it won’t lock, it’s misaligned—don’t force it.

Step 7: Quick function test

• Turn the headlight switch ON and confirm the low beam works.
• Turn the lights OFF again before reassembly.

Step 8: Reinstall the wheel-well liner

• Reposition the liner.
• Reinstall all clips using your fingers, then seat them fully with the trim clip removal tool (or gently with the flathead screwdriver).

Step 9: Reinstall the wheel and torque lug nuts

• Install the wheel and hand-thread lug nuts.
• Lower the vehicle off the jack stands (rated 3-ton minimum) using the floor jack (rated 3-ton minimum).
• Tighten lug nuts in a star pattern with a 22mm socket and ratchet.
• Final tighten: Torque to 190 Nm (140 ft-lbs).

Step 10: Repeat on the other side

• Repeat Steps 1–9 for the other headlight.

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✅ After Repair

• Turn on low beams and confirm both sides match brightness and color.
• Check high beams, turn signals, and parking lights to ensure nothing else was bumped loose.
• At night, verify headlight aim looks normal; if one seems off, the bulb may not be fully locked in.

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💰 DIY vs Shop Cost

Shop Cost: $120-$250 (parts + labor)

DIY Cost: $30-$120 (parts only, depending on bulb brand)

You Save: $90-$130 by doing it yourself!

Shop labor rates vary but typically run $100-$150/hour. This repair takes a shop approximately 0.8-1.2 hours.

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🎯 Ready to get started?

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