Subaru Outback Windshield Washer Pump Replacement Guide (2016-2021)
Is your washer fluid not spraying? This guide covers the common failure symptoms and replacement options for your Outback's washer pump.
- Before replacing the pump, always check for simpler issues like an empty reservoir, a blown fuse, or clogged nozzles.
- The washer pump is an affordable and reliable replacement part in the aftermarket, offering significant savings over OEM.
- Replacement is a straightforward DIY task that can be completed in under an hour with basic tools.
- Your Outback uses two separate pumps for the front and rear windows; they are both located on the reservoir in the driver's side wheel well.
Is Your Subaru Outback Washer Pump Failing?
A non-working windshield washer can be frustrating and unsafe. Before you assume the pump is bad, check the simple things first. Make sure your washer fluid reservoir is full. Next, check the fuse for the washer system. If the fuse is good and the tank is full, the pump itself is the likely problem.
🎬 Watch: How to diagnose your washer pump and system.Common Symptoms of a Bad Washer Pump
- No Spray at All: You press the button and nothing happens. If you don't hear a humming sound from the front driver's side of the car, the pump motor has likely failed.
- Weak Spray: The fluid barely reaches the windshield. This can mean the pump motor is getting weak and losing its ability to create enough pressure.
- Pump Runs, No Fluid: If you can hear the pump motor running but no fluid comes out, the issue might be clogged nozzles or a cracked/disconnected hose. It's a good idea to clear the nozzles with a small pin 🎬 See how to troubleshoot a Subaru that isn't spraying. before replacing the pump.
OEM vs. Aftermarket Washer Pumps
When replacing the washer pump on your Outback, you have two main choices: Original Equipment Manufacturer (OEM) from a Subaru dealer, or an aftermarket part. For a simple part like a washer pump, an aftermarket replacement is often a smart choice. The function is straightforward, and quality aftermarket brands produce reliable pumps that fit and work just like the original.
The primary benefit of an aftermarket pump is cost. You can save a significant amount of money compared to the OEM part, with no real difference in performance for this component. Brands like Trico specialize in wiper and washer system components and are designed to be a direct-fit replacement, making installation easy.
Replacement Cost
The cost to replace a windshield washer pump depends on whether you do it yourself or use a repair shop. The part itself is inexpensive, but labor will add to the total cost.
| Part/Service | Estimated Cost |
|---|---|
| New OEM Subaru Pump | $55 - $75 |
| New Aftermarket Pump (Trico) | $24.64 |
| Shop Labor | $95 - $125 |
| Total (DIY Aftermarket) | $24.64 |
| Total (Shop Replacement w/ Aftermarket) | $120 - $150 |
DIY Replacement Overview
Replacing the washer pump is a job most owners can do at home in under an hour. The pumps are located on the washer fluid reservoir, which is behind the fender liner in the driver's side front wheel well.
🎬 Watch this video to see how to access the reservoir.- Safely jack up the vehicle and remove the driver's side front wheel.
- Remove the plastic clips holding the fender liner and pull it back to access the reservoir.
- Place a drain pan underneath and disconnect the hoses from the old pump to drain the fluid.
- Disconnect the electrical connector.
- Pry the old pump straight out of the rubber grommet on the reservoir.
- Press the new pump firmly into the grommet, reconnect the electrical plug and hoses, and refill the reservoir.
Frequently Asked Questions
Where is the washer pump located on a 2016-2021 Subaru Outback?
The windshield washer pump (or pumps) are attached to the bottom of the washer fluid reservoir. This reservoir is located inside the front driver's side fender, and you'll need to remove the wheel and peel back the plastic fender liner to see it.
Does one pump control both the front and rear washers?
No, Subaru typically uses two separate pumps that are mounted on the same reservoir. One pump is for the front windshield and the other is for the rear window. They usually look identical but you must connect the correct hoses and electrical plugs to each one.
Is it difficult to replace the washer pump myself?
For most DIYers, this is an easy repair. It requires basic tools like a jack, jack stands, a socket set, and trim clip removal tool. The process takes less than an hour and can save you over $100 in labor costs.
Are there any recalls for the washer pump on this Outback?
No, there are no known recalls or technical service bulletins (TSBs) for the windshield washer pump on the 2016-2021 Subaru Outback. There were recalls for the *windshield wiper motor* on older 2010-2014 models, but this is a different part and does not apply to the washer pump or the 2016-2021 year range.
Helpful Videos
Technical Specifications
OEM Part Numbers: 86611AL12A 86611AN00A 86611AN01A 86611SG000
The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.
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