Subaru Legacy Windshield Washer Pump: A Replacement Guide for 2016-2022 Models
If you hear silence when you try to clean your windshield, your washer pump has likely failed.
- The most common failure symptom is silence from the pump motor when activated.
- Replacement is a simple, DIY-friendly job that takes less than an hour.
- A quality aftermarket pump from a brand like Trico is a reliable and cost-effective alternative to OEM.
- There are no major recalls or TSBs for washer pump failure on 2016-2022 Legacy models.
Is Your Subaru Legacy Washer Pump Failing?
For the 2016-2022 Subaru Legacy, the windshield washer pump is a simple part that can fail over time. The most common sign of failure is complete silence when you activate the washers. You won't hear the familiar electric whirring or humming sound from the front of the car, and no fluid will spray onto the windshield. This is different from other issues like clogged nozzles, where you would still hear the pump trying to work.
Check This First
Before assuming the pump is dead, check the washer system fuse. It's a quick check that could save you the cost of a new part. Also, ensure your washer fluid reservoir is full and not frozen during cold weather.
Known Issues, Recalls, and Bulletins
While there have been recalls for the windshield wiper motor on older Subaru models due to overheating concerns, there are no specific recalls from the National Highway Traffic Safety Administration (NHTSA) for the windshield washer pump on the 2016-2022 Subaru Legacy. Searches for official Technical Service Bulletins (TSBs) also show no widespread, pump-specific issues for this generation. The failure of this part is typically due to normal wear and tear of the small electric motor.
Choosing a New Aftermarket Pump: OEM vs. Trico
When your Legacy's washer pump fails, you have two main choices: a new Original Equipment Manufacturer (OEM) part from Subaru or a new aftermarket part. For a straightforward component like a washer pump, an aftermarket option provides excellent value.
- OEM: An OEM pump will be a direct replacement, but it comes at a significantly higher cost.
- Aftermarket (Trico): Brands like Trico specialize in visibility products and offer direct-fit replacement washer pumps. These pumps are designed to be installed easily without modifications and perform reliably. For this repair, a quality aftermarket pump is a smart and budget-friendly choice that doesn't compromise on function.
Pro Tip: Use the Right Fluid
Always use a dedicated windshield washer fluid. Using water can lead to freezing and damage in cold climates, and some fluid additives, like certain types of Rain-X, can leave a film on the fluid level sensor, causing a false "low fluid" warning light.
Replacement Cost
Replacing the washer pump is a cost-effective repair, especially if you do it yourself. The part itself is inexpensive, and the labor is minimal.
| Part/Service | Estimated Cost |
|---|---|
| New Aftermarket Pump (Trico) | $24.64 |
| New OEM Pump | $35 - $50 |
| Shop Labor | $60 - $120 |
Frequently Asked Questions
Can I replace the washer pump on my Legacy myself?
Yes, this is a very DIY-friendly job. The pump is located at the bottom of the washer fluid reservoir, which is accessed by removing a few clips on the front driver's side wheel well liner. The pump pulls straight out of a rubber grommet. The process involves simple hand tools and typically takes less than an hour.
🎬 Watch this walkthrough for accessing the reservoir and pumpI hear the pump motor, but no fluid comes out. Is the pump bad?
Not necessarily. If you can hear the pump motor running, the pump itself has power and is likely working. The problem is more likely a blockage in the system, such as clogged nozzles, or a cracked or disconnected hose between the pump and the nozzles.
My "Low Washer Fluid" light is always on, but the tank is full. What's wrong?
This is usually an issue with the fluid level sensor, not the pump. The sensor can fail or become coated with residue from certain washer fluids, preventing it from reading the fluid level correctly. 🎬 See how to fix a stuck low washer fluid light Subaru has a TSB (12-134-12) for diagnosing this sensor.
Does my Legacy have one or two washer pumps?
Subaru models of this era typically use two separate pumps that are mounted on the same reservoir—one for the front windshield and one for the rear (on Outback wagons). Legacy sedans will only have the single pump for the front windshield.
Helpful Videos
Technical Specifications
OEM Part Numbers: 86611AJ01A
Single outlet electric pump for front windshield.
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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