Windshield Washer Fluid Pumps

A windshield washer pump transfers the washer fluid from the washer reservoir to the washer nozzles. The pump is electric and is usually placed at the bottom of a washer reservoir. It is subject to wear and tear over time and can also be damaged by trying to spray washer fluid when the reservoir is .....Read More

Frequently Asked Questions

What are the symptoms of a failing windshield washer pump?

Symptoms of a failing windshield washer pump include: 1. **No Fluid Spray**: The most obvious sign is the absence of washer fluid spraying onto the windshield when the washer control is activated. This could indicate a pump failure or a blockage in the system. 2. **Unusual Noise**: A failing pump may produce unusual noises, such as grinding or whining, when activated. This can be due to internal wear or a lack of fluid reaching the pump. 3. **Leaking Fluid**: If there is a visible leak under the vehicle, especially near the washer fluid reservoir, it could be due to a cracked pump or disconnected hoses. 4. **Intermittent Operation**: The pump may work sporadically, indicating an electrical issue or a failing motor within the pump. 5. **Low Fluid Pressure**: If the fluid is spraying weakly or not reaching the windshield effectively, it could be due to a failing pump that is unable to generate sufficient pressure. 6. **Burnt Smell**: A burnt smell when the washer system is activated can indicate an electrical issue with the pump, possibly due to overheating or a short circuit. 7. **Dashboard Warning Light**: Some vehicles have a warning light for washer fluid issues, which may illuminate if the pump is not functioning properly. 8. **Blown Fuse**: A blown fuse in the washer system circuit can indicate a problem with the pump, such as an electrical short. 9. **Visible Damage**: Physical inspection may reveal cracks or damage to the pump or its components, indicating a need for replacement. 10. **Inconsistent Fluid Levels**: If the fluid level drops rapidly without use, it may suggest a leak in the pump or associated components.

How do you test a windshield washer pump?

1. **Preparation**: Ensure the vehicle is parked on a level surface and the ignition is off. Open the hood and locate the windshield washer fluid reservoir and pump. 2. **Visual Inspection**: Check for any visible damage or leaks in the reservoir, hoses, and pump. Ensure the reservoir has enough washer fluid. 3. **Listen for Pump Operation**: Turn the ignition to the "on" position without starting the engine. Activate the washer switch and listen for the sound of the pump. A humming noise indicates the pump is receiving power. 4. **Check for Fluid Dispersion**: If the pump operates but no fluid is sprayed, inspect the washer nozzles for clogs. Use a pin to clear any blockages. 5. **Electrical Testing**: If the pump doesn’t operate, use a multimeter to test the electrical connections. Disconnect the pump’s electrical connector and check for voltage while activating the washer switch. A reading of 12 volts indicates power is reaching the pump. 6. **Pump Removal and Bench Test**: If there’s power but the pump doesn’t work, remove the pump from the reservoir. Connect the pump directly to a 12-volt power source to see if it operates. If it doesn’t, the pump is likely faulty. 7. **Inspect and Replace**: If the pump fails the bench test, replace it. Reinstall the new pump, ensuring all connections are secure. 8. **Final Test**: Refill the reservoir with washer fluid, reconnect all components, and test the system to ensure proper operation. 9. **Check for Leaks**: After testing, inspect the system for any leaks around the pump and hoses. 10. **Reassemble**: Close the hood and ensure all components are securely in place.

How do you replace a windshield washer pump?

1. **Preparation**: Gather necessary tools such as a wrench, screwdriver, and pliers. Purchase a compatible replacement pump for your vehicle model. Ensure the vehicle is parked on a flat surface, the engine is off, and the keys are removed from the ignition. 2. **Locate the Pump**: Open the hood and locate the windshield washer fluid reservoir. The pump is usually attached to or near the bottom of this reservoir. 3. **Drain the Reservoir**: If the reservoir is full, drain the washer fluid into a clean container for reuse. This can be done by disconnecting the hose from the pump and allowing the fluid to flow out. 4. **Disconnect the Battery**: For safety, disconnect the negative terminal of the battery to prevent any electrical shorts. 5. **Remove the Pump**: Disconnect the electrical connector from the pump. Use pliers to remove the hose connected to the pump. If necessary, remove any screws or clips holding the pump in place. Gently pull the pump out of the reservoir. 6. **Install the New Pump**: Insert the new pump into the reservoir, ensuring it is securely seated. Reattach the hose and electrical connector. If applicable, secure the pump with screws or clips. 7. **Reconnect the Battery**: Reattach the negative terminal of the battery. 8. **Test the Pump**: Refill the reservoir with washer fluid. Turn on the ignition and activate the washer system to test the new pump. Ensure fluid is being sprayed onto the windshield. 9. **Final Check**: Check for any leaks around the pump and ensure all connections are secure. Reattach any components that were removed to access the pump. 10. **Dispose of Old Pump**: Properly dispose of the old pump and any excess fluid according to local regulations.

What causes a windshield washer pump to stop working?

A windshield washer pump may stop working due to several reasons: 1. **Electrical Issues**: A blown fuse, faulty relay, or damaged wiring can interrupt the electrical supply to the pump, preventing it from functioning. 2. **Pump Failure**: The pump motor itself may fail due to wear and tear, overheating, or manufacturing defects, leading to a complete breakdown. 3. **Clogged Nozzles or Lines**: Dirt, debris, or frozen washer fluid can clog the nozzles or lines, causing the pump to work harder or stop functioning altogether. 4. **Empty Washer Fluid Reservoir**: If the reservoir is empty, the pump will run dry, which can lead to overheating and eventual failure. 5. **Faulty Washer Switch**: A malfunctioning switch on the steering column or dashboard can prevent the pump from receiving the activation signal. 6. **Reservoir or Hose Leaks**: Cracks or holes in the reservoir or hoses can lead to fluid leaks, reducing pressure and causing the pump to fail. 7. **Corroded or Loose Connections**: Corrosion or loose connections at the pump terminals can disrupt the electrical flow, preventing the pump from operating. 8. **Frozen Washer Fluid**: In cold weather, the washer fluid can freeze, blocking the flow and potentially damaging the pump. 9. **Mechanical Obstructions**: Physical obstructions or damage to the pump mechanism can impede its operation. 10. **Incorrect Fluid Use**: Using non-recommended fluids can cause deposits or damage to the pump and associated components. Regular maintenance, such as checking fluid levels, inspecting for leaks, and ensuring electrical connections are secure, can help prevent these issues.

How much does it cost to replace a windshield washer pump?

The cost to replace a windshield washer pump typically ranges from $75 to $200. This estimate includes both parts and labor. The price of the pump itself can vary between $20 and $80, depending on the make and model of the vehicle. Labor costs generally range from $50 to $120, depending on the repair shop's rates and the complexity of the replacement process. For luxury or less common vehicles, the cost might be higher due to more expensive parts or increased labor time. Additionally, if the replacement is done at a dealership, the cost may be on the higher end of the spectrum compared to an independent mechanic or doing it yourself. DIY replacement can significantly reduce costs, as you would only need to purchase the pump. However, this requires some mechanical knowledge and the right tools. It's important to note that prices can vary based on location, availability of parts, and specific vehicle requirements.

Can a windshield washer pump be repaired?

Yes, a windshield washer pump can often be repaired, depending on the nature and extent of the problem. Common issues include clogs, electrical failures, or mechanical wear. 1. **Clogs**: If the pump is clogged, it can usually be cleared by cleaning the nozzles and hoses. Detach the hoses and use compressed air or a thin wire to remove any debris. Ensure the washer fluid reservoir is clean and free of sediment. 2. **Electrical Issues**: If the pump is not receiving power, check the fuse and relay associated with the washer system. Replace any blown fuses or faulty relays. Inspect the wiring for any visible damage or corrosion, and repair or replace as necessary. Ensure the pump's electrical connector is secure and free of corrosion. 3. **Mechanical Wear**: If the pump motor is worn out, it may need to be disassembled and inspected. In some cases, cleaning the internal components or replacing worn brushes can restore functionality. However, if the motor is severely damaged, it may be more cost-effective to replace the pump. 4. **Replacement**: If repair is not feasible, replacing the pump is a straightforward process. Disconnect the electrical connector and hoses, remove the old pump, and install the new one. Ensure all connections are secure and test the system for proper operation. In summary, while many issues with a windshield washer pump can be repaired, some situations may require replacement. Regular maintenance, such as using the correct washer fluid and keeping the system clean, can prevent many common problems.

How long does a windshield washer pump typically last?

A windshield washer pump typically lasts between 5 to 10 years, depending on several factors such as usage frequency, environmental conditions, and maintenance practices. Regular use in harsh weather conditions, such as extreme cold or heat, can shorten its lifespan. Additionally, exposure to dirt, debris, and poor-quality washer fluid can lead to clogs or corrosion, further reducing its longevity. Proper maintenance, including using the correct washer fluid and ensuring the system is free from blockages, can help extend the pump's life. Regular inspections and timely replacements of worn-out components also contribute to its durability.