🔧 Tucson - Rear Turn Signal Bulb Replacement

This repair replaces the rear turn signal bulbs in your Tucson. A failed rear turn signal bulb can cause fast blinking, warning messages, and poor visibility to other drivers.

Difficulty Level: Beginner | Estimated Time: 20-40 minutes

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⚠️ Safety & Precautions

• ⚠️ Turn the ignition fully off before removing the tail lamp.
• ⚠️ Let the bulbs cool if the lights were recently on.
• ⚠️ Wear gloves or use a clean cloth when handling bulbs. Skin oil can shorten bulb life.
• ⚠️ Do not pull hard on the lamp wiring. The connector and socket can crack.
• ⚠️ Battery disconnect is not required for this bulb replacement.

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🔧 Required Tools

You'll need the following tools for this repair:

• 10mm socket
• 1/4-inch ratchet
• Plastic trim removal tool
• Clean nitrile gloves
• Safety glasses
• Small flashlight

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🔩 Required Parts

HowToo sells all the parts you need for this repair:

• Rear amber turn signal bulb - Qty: 1 per side
• Rear amber turn signal bulbs - Replace in pairs - Qty: 2

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📋 Before You Begin

• 🅿️ Park your Tucson on level ground.
• 🅿️ Shift to Park and apply the parking brake.
• 💡 Turn all exterior lights off.
• 🔦 Open the liftgate to access the rear tail lamp mounting area.
• 🧤 Put on clean gloves before touching the new bulb.
• 📌 A plastic trim removal tool is a non-metal prying tool that helps remove covers without scratching paint or plastic.

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🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Open the Liftgate

• Use your hand to fully open the liftgate.
• Use a small flashlight to look at the inside edge of the tail lamp assembly.
• The rear turn signal bulb is inside the outer tail lamp assembly on the body side of your Tucson.

Step 2: Remove the Tail Lamp Bolt Covers

• Use a plastic trim removal tool to gently pry off the small plastic covers on the inner edge of the tail lamp.
• Work slowly so the covers do not crack.
• Tip: Pry from the small notch first.

Step 3: Remove the Tail Lamp Mounting Bolts

• Use a 10mm socket and 1/4-inch ratchet to remove the visible tail lamp mounting bolts.
• Set the bolts in a safe spot so they do not roll away.
• Factory torque for these small lamp bolts is light. During reassembly, tighten only snugly: Torque to approximately 5-7 Nm (44-62 in-lbs).

Step 4: Pull the Tail Lamp Straight Rearward

• Use both hands to hold the tail lamp assembly.
• Pull the lamp straight back toward the rear of your Tucson.
• The lamp has hidden guide pins. Pulling straight back helps prevent breaking them.
• If it feels stuck, use a plastic trim removal tool gently at the outer edge while pulling with your hand.
• Tip: Do not twist the lamp sideways.

Step 5: Locate the Turn Signal Bulb Socket

• Use a small flashlight to look at the back of the tail lamp assembly.
• Find the rear turn signal bulb socket. It is the socket for the amber turn signal bulb.
• A bulb socket is the plastic holder that locks the bulb into the lamp housing.

Step 6: Remove the Bulb Socket

• Use your hand to turn the turn signal bulb socket counterclockwise about a quarter turn.
• Pull the socket straight out of the lamp housing.
• Do not pull on the wires.

Step 7: Remove the Old Bulb

• Use clean nitrile gloves to grip the old bulb.
• Pull the bulb straight out of the socket if it is a wedge-style bulb.
• If the bulb has small side pins, press it down slightly and turn it counterclockwise, then pull it out.
• Check the socket for heat damage, melting, corrosion, or loose contacts.

Step 8: Install the New Turn Signal Bulb

• Use clean nitrile gloves to handle the new rear amber turn signal bulb.
• Push the new bulb straight into the socket until it seats fully.
• If it is a bayonet-style bulb with side pins, insert it, press down slightly, and turn clockwise until locked.
• Tip: Match the old bulb base shape.

Step 9: Test the Bulb Before Reinstalling the Lamp

• Keep the bulb socket hanging safely away from sharp edges.
• Turn the ignition to accessory mode or press the hazard switch.
• Check that the new rear turn signal bulb flashes normally.
• Turn the hazard switch off after testing.
• If it does not light, remove the bulb by hand, rotate it 180 degrees if wedge-style, reinstall it, and test again.

Step 10: Reinstall the Bulb Socket

• Use your hand to insert the bulb socket back into the tail lamp housing.
• Turn the socket clockwise until it locks firmly.
• Make sure the rubber seal sits flat so water cannot enter the lamp.

Step 11: Reinstall the Tail Lamp Assembly

• Use both hands to align the tail lamp guide pins with the body openings.
• Push the lamp straight forward until it seats evenly against the body.
• Do not force it. If it does not sit flush, pull it back and realign the pins.

Step 12: Tighten the Tail Lamp Bolts

• Use a 10mm socket and 1/4-inch ratchet to reinstall the tail lamp mounting bolts.
• Tighten the bolts evenly until snug.
• Torque to approximately 5-7 Nm (44-62 in-lbs).
• Use your hand to snap the plastic bolt covers back into place.

Step 13: Final Light Check

• Use your hand to turn on the hazard lights.
• Walk behind your Tucson and confirm both rear turn signals flash evenly.
• Use the turn signal stalk to check left and right operation separately.
• Close the liftgate when finished.

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✅ After Repair

• ✅ Make sure the turn signal no longer flashes rapidly.
• ✅ Confirm the tail lamp sits flush with the body.
• ✅ Check that the liftgate opens and closes without touching the lamp.
• ✅ After the next rain or wash, inspect the lamp for moisture inside.

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💰 DIY vs Shop Cost

Shop Cost: $60-$130 per side, including bulb and labor

DIY Cost: $5-$20 per bulb

You Save: $55-$110 by doing it yourself!

Shop labor rates vary but typically run $100-$150/hour. This repair takes a shop approximately 0.3-0.5 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.