How to Replace Front Turn Signal Bulbs on a 2020 Subaru Forester
Step-by-step bulb swap guide with tools, parts list, wheel-well access tips, and LED vs bulb checks
How to Replace Front Turn Signal Bulbs on a 2020 Subaru Forester
Step-by-step bulb swap guide with tools, parts list, wheel-well access tips, and LED vs bulb checks


🔧 Forester - Front Turn Signal Bulb Replacement
On your Forester, the front turn signal is either a replaceable amber bulb in the headlamp housing or an LED unit that isn’t bulb-serviceable. I’ll show you the bulb method step-by-step, and I’ll also note what to do if yours is LED.
Difficulty Level: Beginner | Estimated Time: 0.3-0.8 hours
⚠️ Safety & Precautions
- ⚠️ Turn the ignition OFF and remove the key/fob from the vehicle.
- ⚠️ Let the headlamp area cool if you’ve been driving.
- ⚠️ Don’t touch the new bulb glass with bare fingers; skin oils shorten bulb life.
- ⚠️ If you raise the front corner for wheel-well access, support it with jack stands.
🔧 Required Tools
You'll need the following tools for this repair:
- Safety glasses
- Nitrile gloves
- Flashlight
- Trim clip removal tool
- Phillips screwdriver #2
- 10mm socket
- 1/4" ratchet
- Floor jack (rated 3-ton minimum)
- Jack stands (rated 3-ton minimum)
- Wheel chocks
🔩 Required Parts
HowToo sells all the parts you need for this repair:
- Front turn signal bulb (amber) - Qty: 2 Replace in pairs
📋 Before You Begin
- Park on level ground and set the parking brake.
- Turn the lights and hazard flashers OFF.
- Open the hood and decide access: from above (engine bay) or from the wheel well.
- Trim clip tool = forked pry tool for plastic clips.
🔨 Step-by-Step Instructions
Follow these steps in order:
Step 1: Confirm you have a replaceable bulb (not an LED-only unit)
- Use a flashlight and look behind the headlamp for a twist-out bulb socket with wiring.
- If you do not see any removable bulb socket and the turn signal appears to be an LED strip/module: the turn signal is part of the headlamp assembly and isn’t a simple bulb replacement.
Step 2: Choose your access path
- Top access (engine bay): Try reaching the turn-signal socket behind the headlamp by hand while using a flashlight.
- Wheel-well access (more room): Plan to peel back the front fender liner.
Step 3 (Wheel-well access): Safely lift the front corner
- Place wheel chocks behind the rear wheels.
- Use a floor jack (rated 3-ton minimum) to lift the front corner on the side you’re working on.
- Set the vehicle onto jack stands (rated 3-ton minimum) before reaching into the wheel well.
Step 4 (Wheel-well access): Peel back the front fender liner
- Turn the steering wheel away from the side you’re working on to make space.
- Remove plastic clips/screws at the front edge of the liner using a trim clip removal tool and Phillips screwdriver #2.
- Gently pull the liner back to see the rear of the headlamp.
Step 5: Remove the turn signal bulb socket
- Put on nitrile gloves and use a flashlight to locate the turn signal socket (the one leading to the amber turn signal).
- Twist the socket counterclockwise by hand and pull it straight out.
Step 6: Replace the bulb
- Pull the old bulb straight out of the socket by hand (no tools).
- Install the new front turn signal bulb (amber) by pushing it straight in until fully seated.
- Don’t touch the bulb glass.
Step 7: Reinstall the socket and liner
- Reinsert the socket into the headlamp and twist clockwise by hand until it locks.
- If you opened the fender liner, reinstall clips/screws using the trim clip removal tool and Phillips screwdriver #2.
- If lifted, remove jack stands and lower the vehicle using the floor jack.
✅ After Repair
- Turn the ignition ON and test left and right turn signals and hazards.
- Verify flash rate is normal; rapid flashing usually means the bulb is wrong, not seated, or a connector issue.
- Walk around and confirm brightness/color match side-to-side.
💰 DIY vs Shop Cost
Shop Cost: $80-$180 (parts + labor)
DIY Cost: $10-$35 (parts only)
You Save: $70-$145 by doing it yourself!
Shop labor rates vary but typically run $100-$150/hour. This repair takes a shop approximately 0.3-0.8 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.

















