Ford Cougar Windshield Washer Pump Replacement Guide (1985-1995)
Everything a Cougar owner needs to know about diagnosing and replacing a faulty windshield washer pump.
- Before replacing the pump, always check the fuse and listen for a humming sound to diagnose the problem.
- Replacement is a simple, DIY-friendly job that usually takes less than an hour.
- Aftermarket brands like Trico offer a reliable and cost-effective solution for this part.
- Verify the part fits your specific year, as the pump may differ between the 1985-88 and 1989-95 generations.
Is Your Windshield Washer Pump Failing?
A non-working windshield washer system can be frustrating, but the fix is often simple. Before you assume the pump is bad, do a few quick checks. First, make sure your washer fluid reservoir isn't empty. Second, listen for the pump. When you activate the washer switch, you should hear a distinct humming sound from the front of the car, near the fluid reservoir. If you hear the hum but get no fluid, you might have clogged nozzles or hoses. If you hear nothing at all, the problem is likely electrical or a dead pump.
Common Symptoms of a Bad Washer Pump:
- No Spray: You press the button and nothing happens. The wipers may move, but no fluid comes out.
- Weak Spray: The fluid barely reaches the windshield, making it ineffective at cleaning.
- Intermittent Operation: The pump works sometimes and fails at other times, which could point to a loose electrical connection or a dying motor.
- Pump Makes No Sound: A complete lack of sound usually means the pump isn't getting power or has failed internally.
Check This First: Fuses and Connections
Before buying a new pump, check the fuse for the washer system in your vehicle's fuse panel. On these models, the washer pump often shares a fuse with the wipers. Also, inspect the electrical connector at the pump itself for corrosion or looseness, a common issue on older Fords.
Choosing the Right Aftermarket Pump
For a vehicle like the 1985-1995 Cougar, OEM (Original Equipment Manufacturer) parts from Ford are often discontinued or hard to find. New aftermarket parts are the most practical and affordable choice. They are designed to fit and function just like the original without the high cost of a dealer part.
Brand Spotlight: Trico
Trico is a well-regarded brand in the aftermarket for wiper and washer components. Their pumps are known to be reliable, OE-style replacements that are easy to install without needing modifications. Given the straightforward nature of this part, a quality aftermarket pump from a brand like Trico offers excellent value and performance.
An Important Note on Vehicle Generations
The 1985-1995 Cougar spans two different vehicle platforms: the Fox Body (1985-1988) and the MN12 (1989-1995). The washer pump design or fitment may differ between these generations. Always verify that the part you are buying is listed as compatible with your specific model year before purchasing.
Windshield Washer Pump Replacement Cost
Replacing the washer pump is one of the more affordable repairs you can make. The part itself is inexpensive, and if you do it yourself, the only cost is the part and some washer fluid.
| Part Type | Estimated Cost |
|---|---|
| New Aftermarket (Trico, etc.) | $23.94 - $27.80 |
| New OEM (Motorcraft) | $30 - $60+ (If available) |
| Shop Labor | $50 - $100 |
Frequently Asked Questions
Can I replace the washer pump myself?
Yes, this is a great DIY job for beginners. The pump is typically located on the outside of the washer fluid reservoir at the bottom. The job usually requires simple hand tools to remove the reservoir, and the pump itself just pulls out from a rubber grommet. The entire process should take less than an hour.
Where is the washer pump located on my Cougar?
Open the hood and locate the windshield washer fluid reservoir (the plastic tank, usually white or clear, with a blue cap). The pump is a small, cylindrical part pushed into a rubber grommet at the very bottom of this tank. You will see an electrical wire and a fluid hose connected to it.
My pump runs, but no fluid sprays out. What's wrong?
If you can hear the pump motor humming, the issue is likely a blockage. Start by using a small pin or needle to clean the openings of the washer nozzles on the hood. If that doesn't work, disconnect the hose from the pump to see if fluid comes out there. If it does, the blockage is in the hoses leading to the nozzles. If no fluid comes out of the pump itself, the pump's internal filter may be clogged with old, gelled fluid, or the pump's impeller has failed.
Are there any recalls for the 1985-1995 Cougar washer pump?
There are no specific NHTSA recalls for the windshield washer pump on the 1985-1995 Ford Cougar. However, a related recall was issued for some Ford vehicles for a faulty wiper/washer switch wire that could cause intermittent operation, so it's worth checking the wiring if you experience this symptom.
Technical Specifications
OEM Part Numbers: E5TZ-17664-B F5RZ-17664-A EOAZ-17664-A F6SZ-17664-DA
Electric pump, typically mounts to the bottom of the washer fluid reservoir via a rubber grommet. Connection type and mounting may vary by model year.
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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