How to Replace the Cabin Air Filter on a 2009-2018 Subaru Forester (Glove Box Method) (Engine: Flat 4 2.5L)
Step-by-step DIY instructions with tools list, filter direction tips, and post-install airflow checks
How to Replace the Cabin Air Filter on a 2009-2018 Subaru Forester (Glove Box Method) (Engine: Flat 4 2.5L)
Step-by-step DIY instructions with tools list, filter direction tips, and post-install airflow checks for 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
š§ Forester - Cabin Air Filter Replacement
Your A/C and heater pull air through the cabin air filter first. Replacing it helps airflow, reduces musty smells, and keeps dust/pollen out of the cabin.
Difficulty Level: Beginner | Estimated Time: 10-20 minutes
ā ļø Safety & Precautions
- ā ļø Park on level ground, shift to Park, and set the parking brake.
- ā ļø Turn the ignition OFF and keep the key away from the car while working.
- ā ļø Donāt force plastic tabsāwarm cabin plastics can still crack if pried hard.
- ā ļø Battery disconnect is not required.
š§ Required Tools
You'll need the following tools for this repair:
- Phillips #2 screwdriver
- Plastic trim removal tool
- Flashlight
- Nitrile gloves
š© Required Parts
HowToo sells all the parts you need for this repair:
- Cabin air filter - Qty: 1
š Before You Begin
- Open the passenger door for better access to the glove box area.
- Empty the glove box so nothing falls out.
- Take a quick photo before removal.
šØ Step-by-Step Instructions
Follow these steps in order:
Step 1: Open and prep the glove box
- Open the glove box fully and remove any contents by hand.
- Use a flashlight to look along the right side for the glove box damper (a small arm/strap that slows the glove box so it doesnāt drop fast).
Step 2: Disconnect the glove box damper
- On the right side, gently unclip the damper from the glove box using a plastic trim removal tool.
- If itās tight, use the trim tool to pry lightly at the clipādo not twist hard.
Step 3: Drop the glove box down
- Push inward on both sides of the glove box (by hand) to clear the side stops.
- Let the glove box swing downward slowly.
Step 4: Remove the cabin filter access cover
- Behind the glove box, locate the rectangular filter cover.
- Release the tabs by hand; if needed, use a plastic trim removal tool to help the tabs disengage.
- Remove the cover and set it aside.
Step 5: Remove the old cabin air filter
- Slide the filter straight out by hand while wearing nitrile gloves.
- Use a flashlight to check for leaves/debris in the filter housing and pull it out by hand.
Step 6: Install the new cabin air filter
- Check the airflow arrow on the new filter frame.
- Install it in the same direction as the old one (typically AIR FLOW DOWN in the Foresterās filter slot).
- Slide it in evenly so it doesnāt fold or bunch up.
Step 7: Reinstall the cover and glove box
- Reinstall the filter cover by hand until the tabs click in.
- Lift the glove box back up and push the sides inward (by hand) to pass the side stops back into position.
- Reconnect the damper clip on the right side by hand; use the plastic trim removal tool only if you need gentle leverage.
ā After Repair
- Start the engine and run the blower on high for 10-20 seconds.
- Confirm airflow is stronger and there are no rattles from the glove box area.
- If you smell dust, run fresh air mode.
š° DIY vs Shop Cost
Shop Cost: ā¹1,200-ā¹3,000 (parts + labor)
DIY Cost: ā¹500-ā¹1,800 (parts only)
You Save: ā¹700-ā¹1,200 by doing it yourself!
Shop labor rates vary but typically run $100-$150/hour. This repair takes a shop approximately 0.2-0.5 hours.
šÆ 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.
Guide for Cabin Air Filter replace for these Subaru vehicles
| Year Make Model | Sub Model | Engine | Body Style |
|---|---|---|---|
| 2018 Subaru Forester | - | Flat 4 2.5L | - |
| 2018 Subaru Forester | - | Flat 4 2.0L | - |
| 2017 Subaru Forester | - | Flat 4 2.5L | - |
| 2017 Subaru Forester | - | Flat 4 2.0L | - |
| 2016 Subaru Forester | - | Flat 4 2.5L | - |
| 2016 Subaru Forester | - | Flat 4 2.0L | - |
| 2015 Subaru Forester | - | Flat 4 2.5L | - |
| 2015 Subaru Forester | - | Flat 4 2.0L | - |
| 2014 Subaru Forester | - | Flat 4 2.5L | - |
| 2014 Subaru Forester | - | Flat 4 2.0L | - |
| 2013 Subaru Forester | - | Flat 4 2.5L | - |
| 2012 Subaru Forester | - | Flat 4 2.5L | - |
| 2011 Subaru Forester | - | Flat 4 2.5L | - |
| 2010 Subaru Forester | - | Flat 4 2.5L | - |
| 2009 Subaru Forester | - | Flat 4 2.5L | - |

















