🔧 Headlight Bulbs - Replacement

On your Malibu, the headlight bulbs are serviced from behind each headlamp housing under the hood. You’ll remove a couple of simple intake/fuse-box pieces for room, then twist the old bulb out and install the new one without touching the glass.

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

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⚠️ Safety & Precautions

• ⚠️ Let the bulbs cool first—halogen bulbs get extremely hot.
• ⚠️ Wear gloves and do not touch the new bulb glass with bare fingers (skin oil can shorten bulb life).
• ⚠️ Turn the headlight switch OFF and remove the key before starting.
• ⚠️ If you loosen any electrical module/fuse box fasteners, do not pull on wiring harnesses.
• ⚠️ Battery disconnect is not required for this job, but keep metal tools away from the battery terminals.

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🔧 Required Tools

You'll need the following tools for this repair:

• 10mm socket
• 1/4" ratchet
• 3" extension for 1/4" ratchet
• 7mm socket
• Flat trim tool
• Nitrile gloves
• Safety glasses
• Flashlight

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🔩 Required Parts

HowToo sells all the parts you need for this repair:

• Low beam headlight bulb (H11) - Replace in pairs - Qty: 2
• High beam headlight bulb (9005) - Replace in pairs - Qty: 2
• Dielectric grease packet - Qty: 1

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📋 Before You Begin

• Park on level ground, set the parking brake, and switch the headlights OFF.
• Open the hood and use a flashlight so you can clearly see behind the headlamp.
• Replace bulbs in pairs for even brightness.

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🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Identify which bulb you’re replacing

• Behind each headlamp are two bulbs: Low beam (H11) and High beam (9005).
• If you’re not sure which is out, turn the lights on briefly to confirm (low beams ON, then high beams ON), then turn them OFF before touching anything.

Step 2: Create room on the passenger side (air intake area)

• Use a 7mm socket to loosen the air intake hose clamp (the metal band clamp).
• Use a flat trim tool to lift/remove any push-pins holding the intake snorkel/duct (if equipped).
• Use a 10mm socket with a 1/4" ratchet and 3" extension to remove the air cleaner housing fasteners (if your housing is bolted in), then lift the intake duct/box just enough to access the rear of the headlamp.
• Only move parts as much as needed.

Step 3: Create room on the driver side (fuse box area)

• Remove the fuse box cover by hand (it lifts off).
• If access is tight, use a 10mm socket to loosen the fuse box retaining fasteners just enough to shift it slightly for clearance (do not strain wiring).

Step 4: Remove the bulb access cover (if equipped)

• Reach behind the headlamp and remove the rear dust cap/cover by hand (it typically twists off).
• Set the cover where it won’t get dirty—this keeps moisture out of the headlamp.

Step 5: Remove the old bulb

• Wear nitrile gloves.
• Unplug the electrical connector by pressing the tab and pulling straight back (do not pull on the wires).
• Twist the bulb counterclockwise (about 1/8–1/4 turn) and pull it straight out.

Step 6: Install the new bulb

• Without touching the glass, insert the new bulb into the housing in the same orientation as the old one.
• Twist the bulb clockwise until it locks fully in place.
• Apply a very small amount of dielectric grease to the connector seal (not the bulb), then plug the connector in until it clicks.

Step 7: Reinstall the dust cap/cover

• Reinstall the rear cover by hand and make sure it seals evenly all the way around.

Step 8: Repeat for the other side

• Repeat Steps 2–7 on the opposite headlamp so both bulbs are replaced as a pair.

Step 9: Reassemble the intake/fuse box items

• Passenger side: reinstall the intake duct/air box and tighten the clamp using a 7mm socket.
• Driver side: retighten any loosened fasteners using a 10mm socket and reinstall the fuse box cover.

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✅ After Repair

• Turn the headlights ON and verify: low beams work, then high beams work.
• Check that both rear dust caps/covers are fully seated (prevents condensation inside the headlamp).
• At night, confirm the beam pattern looks even left-to-right. If it 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)

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

Shop labor rates vary but typically run $100-$150/hour. This repair takes a shop approximately 0.5-1.0 hours.

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🎯 Ready to get started?

HowToo makes it easy: same-day/2-day shipping on every part, plus all the tools and specialty tools you need! Check out the parts and tools sections below to add everything to your cart.