How to Replace Front Turn Signal Bulbs on a 2017 Hyundai Tucson (Step-by-Step)
Beginner-friendly guide with tools/parts list, engine-bay vs fender-liner access, and safety tips
How to Replace Front Turn Signal Bulbs on a 2017 Hyundai Tucson (Step-by-Step)
Beginner-friendly guide with tools/parts list, engine-bay vs fender-liner access, and safety tips
đź”§ Tucson - Front Turn Signal Bulb Replacement
Your Tucson’s front turn signal bulb sits in the headlamp housing. Replacing it is usually a quick “twist the socket out, swap the bulb” job, but access can be from the engine bay or through the front fender liner depending on the headlamp setup.
Difficulty Level: Beginner | Estimated Time: 0.5-1.0 hours
⚠️ Safety & Precautions
- ⚠️ Turn the lights OFF and remove the key before starting.
- ⚠️ Let the headlamp area cool if it was recently on.
- ⚠️ Wear gloves—skin oils can shorten bulb life if you touch the glass.
- ⚠️ If you work through the fender liner, keep hands clear of sharp plastic edges.
đź”§ Required Tools
You'll need the following tools for this repair:
- Nitrile gloves
- Safety glasses
- Flashlight
- Trim clip remover (specialty)
- Flat trim tool
- Phillips screwdriver #2
- 10mm socket
- 1/4" ratchet
🔩 Required Parts
HowToo sells all the parts you need for this repair:
- Front turn signal bulb (amber) (match the bulb number from your old bulb) - Qty: 2
- Fender liner push clips - Qty: 2-6
đź“‹ Before You Begin
- Park on level ground and set the parking brake.
- Turn the steering wheel away from the side you’re working on (gives more room at the fender liner).
- Open the hood and have your flashlight ready to identify the correct bulb socket.
🔨 Step-by-Step Instructions
Follow these steps in order:
Step 1: Confirm which socket is the turn signal
- Use a helper to switch the turn signal on, or turn on the hazard lights, then switch them back OFF before touching anything.
- Use a flashlight to locate the blinking bulb area inside the headlamp.
- From behind the headlamp, find the matching bulb socket (the socket closest to the blinking reflector area).
Step 2: Choose your access path
- If you can clearly reach the turn signal socket from the engine bay, use Path A.
- If your hand can’t reach it, use Path B (through the fender liner).
Step 3 (Path A): Access from the engine bay
- Use a flashlight to see the socket locking tabs.
- Grip the socket firmly and rotate it about 1/4 turn counterclockwise by hand, then pull it straight out.
- If something blocks your hand, remove the nearest small air duct/cover fasteners using a 10mm socket and 1/4" ratchet, then try again.
Step 4 (Path B): Access through the front fender liner
- Turn the front wheel outward for the side you’re working on.
- Remove the front portion of the fender liner fasteners:
- Use a trim clip remover (specialty) or flat trim tool to pop out plastic push clips.
- Use a Phillips screwdriver #2 for any screws.
- Use a 10mm socket and 1/4" ratchet for any 10mm bolts.
- Pull the liner back just enough to reach the back of the headlamp (don’t force it).
- Rotate the turn signal socket about 1/4 turn counterclockwise, then pull it out.
Step 5: Remove the old bulb from the socket
- Wear nitrile gloves.
- Pull the bulb straight out of the socket (most are a simple pull-fit).
- Tip: Wiggle gently—don’t yank.
- Look at the old bulb and note the printed bulb number so you buy the exact match.
Step 6: Install the new bulb
- With nitrile gloves on, push the new bulb straight into the socket until fully seated.
- If you accidentally touch the glass, wipe it clean (use a lint-free cloth lightly dampened with rubbing alcohol, then let it dry).
Step 7: Reinstall the socket and reassemble
- Insert the socket back into the headlamp housing and rotate clockwise until it locks.
- If you used Path B, reinstall the fender liner fasteners using the Phillips screwdriver #2 and/or 10mm socket and 1/4" ratchet.
- Make sure the liner sits flat so it won’t rub the tire.
âś… After Repair
- Test left and right turn signals, then hazards.
- Verify the flash rate is normal (very fast flashing usually means a bulb isn’t working or isn’t seated).
- Check that the socket is fully locked (no moisture gap).
đź’° DIY vs Shop Cost
Shop Cost: $60-$140 (parts + labor)
DIY Cost: $6-$30 (parts only)
You Save: $54-$110 by doing it yourself!
Shop labor rates vary but typically run $100-$150/hour. This repair takes a shop approximately 0.3-0.7 hours.
🎯 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.


















