Chevrolet Impala 1994-2006 Windshield Washer Pump Replacement Guide
Don't let a faulty washer pump compromise your visibility; replacing it is a simple and affordable DIY job.
- Always check the windshield washer (WSW) fuse in the under-hood fuse box before replacing the pump.
- Replacement is a simple DIY task that can be done in under an hour by accessing the pump through the passenger-side wheel well.
- Aftermarket brands like ACDelco and Trico offer reliable, cost-effective alternatives to the more expensive OEM part.
- Always replace the rubber grommet when installing a new pump to prevent leaks; most new pumps include one.
Is Your Impala's Windshield Washer Pump Failing?
A faulty windshield washer pump is more than an annoyance; it's a safety issue. If your 1994-2006 Chevrolet Impala can't clear its own windshield, your visibility in bad weather or dirty road conditions is severely limited. Fortunately, diagnosing and replacing this part is straightforward for most owners.
Common Symptoms of a Bad Washer Pump
- No Fluid Spray: You activate the washers and the wipers move, but no fluid comes out.
- Pump is Silent: You don't hear the familiar humming or buzzing sound from the pump motor when you try to use the washers.
- Pump Hums, But No Spray: The pump makes noise, but the fluid stream is weak or non-existent. This could point to a clogged line, frozen fluid, or a failing pump.
- Leaking Fluid: You notice a puddle of blue, green, or orange fluid under the front passenger side of your car. The pump body or the grommet sealing it to the reservoir can crack and leak.
First, Check the Fuse!
Before you buy a new pump, always check the fuse. On many Impalas, a blown fuse is the real culprit. The fuse for the "WSW" (Windshield Washer) is typically a 10 or 15-amp fuse located in the under-hood fuse box. If you replace a blown fuse and it blows again quickly, the pump motor is likely shorted and needs to be replaced.
Choosing the Right Aftermarket Washer Pump
For the 1994-2006 Impala, you don't need to spend a fortune on a dealership part. Aftermarket pumps offer a great balance of value and quality. The two main brands you'll encounter are ACDelco and Trico.
- ACDelco: As the original equipment manufacturer (OEM) for General Motors, ACDelco parts are a trusted choice. They are designed to be a direct replacement, ensuring perfect fit and function. While sometimes priced slightly higher than other aftermarket options, they offer dealership quality.
- Trico: Trico is a well-known brand in the wiper and washer system industry. Their pumps are designed to meet or exceed OEM specifications and are often a more budget-friendly choice. They are known for easy installation and reliability.
Pro-Tip: Both the 1994-1996 Impala SS and the 2000-2005 Impala can often use the same aftermarket washer pump, but always verify the fitment for your specific year before purchasing. The 2006 model year began a new generation, but the pump replacement process remains very similar.
Estimated Replacement Costs
| Part/Service | Estimated Cost |
|---|---|
| New Aftermarket Pump (ACDelco, Trico) | $20 - $41 |
| New OEM GM Pump | $45 - $102 |
| Shop Labor | $60 - $120 |
| DIY Total (Aftermarket Part) | $20 - $41 |
| Shop Total (Aftermarket Part + Labor) | $80 - $161 |
Frequently Asked Questions (FAQ)
Is this a difficult part to replace myself?
No, this is a great beginner-level DIY job. The pump is located on the washer fluid reservoir, which is accessed by partially removing the front passenger-side wheel well liner. The job typically takes less than an hour and only requires basic hand tools.
Are there any recalls for the Impala washer pump?
There are no specific recalls for the windshield washer pump on the 1994-2006 Chevrolet Impala. A recall (NHTSA 16V-813) existed for other vehicles where a pump could short the Body Control Module (BCM), but the Impala was not listed in that specific campaign.
Why did my washer pump fail?
Failure is usually due to age and wear on the internal electric motor. Running the pump while the reservoir is empty can accelerate wear. Additionally, using plain water can lead to freezing in cold climates, which can crack the pump housing or damage the motor.
What is the grommet and do I need to replace it?
The grommet is a small rubber seal where the pump pushes into the reservoir tank. It prevents leaks. Most new aftermarket pumps include a new grommet, and it is highly recommended that you replace it along with the pump to ensure a leak-free seal.
Technical Specifications
OEM Part Numbers: 19244681 22127653 22071780
Voltage: 12V, Pump Type: Mono Pump, Operating Mode: Electric.
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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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