Ford Aerostar Windshield Washer Pump Guide (1986-1997)
Everything a Ford Aerostar owner needs to know before replacing their windshield washer pump.
- The Ford Aerostar uses separate pumps for the front and rear washers; ensure you buy the correct one.
- Symptoms include no sound, a humming sound with no spray, or weak spray.
- This is an easy DIY repair that most owners can do in under an hour with basic tools.
- Quality aftermarket brands like ACDelco and Trico are affordable and reliable choices for this vehicle.
Is Your Ford Aerostar Windshield Washer Pump Failing?
When your washer pump stops working, it can be a safety issue, especially in rain or mud. Diagnosing the problem is usually simple. The signs of a bad washer pump are hard to miss.
Common Failure Symptoms
- You hear the pump motor, but no fluid sprays: This is a very common problem. It often means the pump's filter is clogged with old fluid or debris, or the pump's internal parts are worn out.
- You hear nothing at all: If there's no humming sound when you press the button, the pump's electric motor has likely failed. Before replacing the pump, you should check the fuse first.
- Weak or uneven spray: If the fluid just dribbles out or doesn't reach the whole windshield, the pump is likely getting weak and can't create enough pressure.
- Fluid leaking under the vehicle: You might see a puddle of washer fluid under the front of your Aerostar. The plastic pump housing or the rubber seal where it enters the reservoir can crack with age, causing leaks.
Pro Tip: Check for Clogs First
Before you buy a new pump, it's worth checking for simple fixes. Use a small pin to clean out the spray nozzles on the hood. Also, check the rubber hoses under the hood for cracks, breaks, or clogs. Sometimes, old washer fluid can turn to gel and block the system.
Choosing the Right Aftermarket Pump
For a vehicle like the 1986-1997 Aerostar, finding a brand-new OEM Motorcraft pump can be difficult and expensive. Aftermarket pumps are a reliable and affordable choice for this repair. Brands like ACDelco and Trico offer quality replacement parts that are designed to fit and function like the original.
- ACDelco: A well-known brand that produces a wide range of automotive parts. Their pumps are considered a dependable replacement for the original factory component.
- Trico: A brand famous for its wiper blades and washer systems. Trico pumps are known for being durable and easy to install, often matching the original design perfectly.
For a simple part like a washer pump, you can be confident that a quality aftermarket brand will restore your washer system to working order without the high cost of an OEM part.
Common Ordering Mistake: Front vs. Rear
Many Ford Aerostars came with a rear window wiper and washer. These vans use two separate washer pumps. One pump is for the front windshield, and a second pump is for the rear window. Make sure you order the correct pump for the location you are replacing. They are often not interchangeable.
Cost to Replace an Aerostar Washer Pump
| Part/Service | Estimated Cost |
|---|---|
| New Aftermarket Pump (DIY) | $23.94 - $27.80 |
| New OEM Motorcraft Pump (DIY) | $55 - $200+ |
| Professional Replacement (Parts & Labor) | $75 - $180 |
Frequently Asked Questions
Where is the washer pump located on my Ford Aerostar?
The windshield washer pump is pushed into a rubber grommet at the bottom of the washer fluid reservoir. On the Aerostar, you will find the reservoir in the engine bay, usually on the passenger side.
Is this a difficult repair to do myself?
No, this is a great job for a beginner. The replacement is very straightforward and can usually be done in under an hour with basic hand tools.
How do I test my old pump before replacing it?
Have a helper press the washer button while you listen to the pump. If it hums, it's getting power. If it's silent, check the fuse first. If the fuse is good, you can use a test light on the pump's electrical connector to confirm it's receiving power. If it has power but doesn't run, the pump is bad.
Do I need to drain the washer fluid to replace the pump?
Yes, you should drain the fluid first. The pump is located at the bottom of the tank, and fluid will spill out when you remove it. You can siphon the fluid out from the top or place a bucket underneath as you pull the old pump out.
Are there any recalls for the Aerostar washer pump?
No, there are no known recalls or technical service bulletins (TSBs) from Ford or the NHTSA for windshield washer pump failure on the 1986-1997 Ford Aerostar. Failures are typically due to the age and wear of the part.
Technical Specifications
OEM Part Numbers: E5TZ-17664-B EOAZ-17664-A
12V electric pump, typically press-fit into reservoir with a rubber grommet. May have one or two outlets depending on application.
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.
- Ford Aerostar: