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2013 Mazda CX-5
2013 - 2018 Mazda CX-5
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2013 To 2016 Mazda CX-5 How To Change Front Turn Signal Light Bulbs With Part Number

2013 To 2016 Mazda CX-5 How To Change Front Turn Signal Light Bulbs With Part Number

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Tools & Fluids

Nitrile
Nitrile
Gloves
Safety
Safety
Glasses
Flathead
Flathead
Screwdriver
Trim
Trim
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Flashlight
Flashlight
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How to Replace Front Turn Signal Bulbs on a 2013-2018 Mazda CX-5

Step-by-step bulb swap from behind the headlight with tools list, safety tips, and testing steps

How to Replace Front Turn Signal Bulbs on a 2013-2018 Mazda CX-5

Step-by-step bulb swap from behind the headlight with tools list, safety tips, and testing steps for 2013, 2014, 2015, 2016, 2017, 2018

Orion
Orion

đź”§ CX-5 - Front Turn Signal Bulb Replacement

You’ll replace the front turn signal bulb(s) from behind the headlight housing in the engine bay. This is usually a quick job—most of the time it’s just removing the bulb socket, swapping the bulb, and testing operation.

Difficulty Level: Beginner | Estimated Time: 0.3-0.5 hours


⚠️ Safety & Precautions

  • ⚠️ Work on a cool engine and cool headlights to avoid burns.
  • ⚠️ Turn the ignition OFF and remove the key before reaching behind the headlight.
  • ⚠️ Don’t touch the glass part of the new bulb (skin oils can shorten bulb life). If you do, wipe it with isopropyl alcohol and a clean paper towel.
  • ⚠️ If you need more room and remove any intake snorkel/clips, reinstall them securely so nothing can contact the radiator fan.

đź”§ Required Tools

You'll need the following tools for this repair:

  • Nitrile gloves
  • Safety glasses
  • Small flathead screwdriver
  • Plastic trim removal tool
  • Flashlight

🔩 Required Parts

HowToo sells all the parts you need for this repair:

  • Front turn signal bulb (amber) - Qty: 2

đź“‹ Before You Begin

  • Park on level ground, shift to neutral, and set the parking brake.
  • Turn the lights OFF and remove the key.
  • Open the hood and set a flashlight where it can shine behind the headlight.

🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Confirm the correct side

  • Turn the hazard lights ON briefly to confirm which front turn signal is out, then turn them OFF.
  • Do one side at a time.

Step 2: Access the back of the headlight

  • From the engine bay, look behind the headlight on the side you’re replacing.
  • Use a flashlight to find the turn signal bulb socket (the “socket” is the plastic holder the bulb locks into).
  • If a plastic cover/air snorkel blocks access, use a plastic trim removal tool to pop up any plastic clips, and use a small flathead screwdriver only if a clip center pin is stubborn.

Step 3: Remove the turn signal bulb socket

  • Grip the bulb socket firmly by hand (wear nitrile gloves for better grip).
  • Twist the socket counterclockwise about a quarter turn, then pull it straight out.

Step 4: Remove the old bulb from the socket

  • Pull the bulb straight out of the socket by hand.
  • If it’s stuck, gently wiggle it while pulling—don’t crush the glass.

Step 5: Install the new bulb

  • With nitrile gloves on, push the new bulb straight into the socket until fully seated.
  • Don’t force it—line it up and press.

Step 6: Reinstall the socket into the headlight

  • Insert the socket into the headlight opening, making sure it sits flush.
  • Twist clockwise about a quarter turn until it locks.

Step 7: Test operation

  • Turn the ignition ON and switch the turn signal ON for that side.
  • Verify the front turn signal flashes normally (not rapid “hyper-flash”).
  • If you removed any clips/covers, reinstall them using the plastic trim removal tool and small flathead screwdriver as needed.

âś… After Repair

  • Walk around and confirm front and rear signals flash at a normal speed on both sides.
  • If the new bulb doesn’t light, remove the socket and re-seat the bulb, then check the socket is fully locked.
  • If it still doesn’t work, the next checks are the fuse, socket corrosion, or wiring at the headlight.

đź’° DIY vs Shop Cost

Shop Cost: $60-$150 (parts + labor)

DIY Cost: $5-$30 (parts only)

You Save: $55-$120 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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Guide for Turn Signal Light Bulb replace for these Mazda vehicles

Year Make ModelSub ModelEngineBody Style
2018 Mazda CX-5---
2017 Mazda CX-5---
2016 Mazda CX-5---
2015 Mazda CX-5---
2014 Mazda CX-5---
2013 Mazda CX-5---
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