Audi A6 Quattro Windshield Washer Pump Guide (1995-2012)
Everything you need to know about replacing the windshield washer pump on your C4, C5, or C6 generation Audi A6 Quattro.
- Before replacing the pump, always check the washer fluid level and the fuse.
- Accessing the pump requires removing the driver's side front wheel and fender liner.
- If your A6 has headlight washers, it likely uses a second, separate pump for them.
- Always replace the small rubber grommet/filter when installing a new pump to ensure a good seal and prevent future clogs.
Is Your Audi A6 Quattro Washer Pump Failing?
A faulty windshield washer pump is more than an annoyance; it can be a safety issue in bad weather. If you activate the washers and nothing happens, or the spray is weak, the pump is a likely culprit. Before you replace it, check the simple things first: make sure your washer fluid reservoir is full and check the fuse for the washer system. If the fuse is good and the tank is full, listen for the pump motor when you activate the washers. If you hear a humming sound but no fluid comes out, the pump may be running, but the lines could be clogged or the pump's internal impeller might be broken. If you hear nothing at all, the pump has likely failed electrically.
Common Problems and Known Issues
For the 1995-2012 Audi A6, washer pump failure is a common issue as the vehicles age. The pump itself can fail in a few ways:
- Internal Leaks: The seals inside the pump can wear out, causing the pump body itself to leak. 🎬 Watch this step-by-step guide on fixing a leaking washer pump. This will drain your reservoir over time.
- Motor Seizure: Leaks or simple age can cause the electric motor to seize. You won't hear any sound when you try to use the washers.
- Clogged Filter/Grommet: The small filter at the base of the pump where it pushes into the reservoir can get clogged with debris or old fluid sludge. This is a common cause of a pump that hums but doesn't spray. Always replace the small rubber grommet when you replace the pump.
No recalls were found for the windshield washer pump itself on 1995-2012 A6 models. However, a Technical Service Bulletin (TSB) for later model Audis notes that the corrugated washer fluid hoses can become brittle and leak inside the vehicle, which could be mistaken for a pump issue.
Choosing the Right Aftermarket Pump
You don't need to buy an expensive OEM (Original Equipment Manufacturer) pump from the dealer. Several quality aftermarket brands offer reliable replacements at a much lower cost. Here's a look at the brands available:
- Vemo: Often considered a high-quality aftermarket brand for German vehicles, sometimes even supplying parts to the original manufacturer. Vemo parts are generally well-regarded for their fit and durability, making them a top choice.
- Trico: While Trico is a giant in the world of wiper blades, their pumps are less common. Their quality is generally considered reliable for their core products.
- URO Parts: URO is a budget-friendly option. Quality can be inconsistent; some parts work perfectly for years, while others may have a shorter lifespan or fitment issues. For a simple and easy-to-access part like a washer pump, URO can be a cost-effective gamble, but for critical or hard-to-replace parts, other brands are a safer bet.
Pro Tip: Headlight Washers
If your A6 Quattro has headlight washers, it may use a separate, higher-pressure pump or a dual-outlet pump. Ensure the replacement pump you buy is compatible with your specific system. The headlight washer pump is often located next to the windshield washer pump on the reservoir.
Installation Overview
Replacing the washer pump is a straightforward DIY job for most owners. The pump is push-fitted into the bottom of the washer fluid reservoir. Access is typically gained by removing the front left (driver's side) wheel and pulling back the plastic fender liner. Have a bucket ready to catch the washer fluid when you pull the old pump out. The entire job usually takes less than an hour.
Common Ordering Mistake
The 1995-2012 span covers three different A6 generations (C4, C5, C6). While many pumps are interchangeable, always verify the part number or use a fitment guide to ensure you are buying the correct pump for your specific year and model. Some pumps are single outlet (front only) while others are dual outlet (front and rear).
Frequently Asked Questions
Why do I hear the pump but no fluid sprays out?
This is a very common symptom. It usually means the pump motor is working, but there's a blockage. The most likely causes are a clogged filter at the base of the pump, frozen fluid in the lines, or clogged spray nozzles on the hood. Start by clearing the nozzles with a small pin. If that doesn't work, the pump filter is the next thing to check.
Is it difficult to replace the washer pump myself?
No, this is a great beginner-level DIY task. The main steps are jacking up the car, removing the driver's side front wheel, and removing a few screws to pull back the fender liner for access. The pump itself just pulls out of the reservoir and the electrical connector unclips. It typically requires basic hand tools and can be done in under an hour.
Should I buy an OEM pump or is aftermarket okay?
For a simple part like this, a quality aftermarket pump is perfectly fine and much more affordable. Brands like Vemo offer OEM-like quality. An OEM pump from an Audi dealer can cost significantly more than an aftermarket equivalent that often comes from a similar factory.
My headlight washers work but my windshield washers don't. What's wrong?
This indicates your car has two separate pumps for these systems. The fact that one works and the other doesn't makes it very likely that your windshield washer pump has failed. The pumps are usually located next to each other on the fluid reservoir.
Helpful Videos
Technical Specifications
OEM Part Numbers: 1K6955651 1J5955651 1T0955651 4A0955651
Fits 1995-2012 Audi A6 Quattro. Pump type is typically a mono or dual outlet electric pump, push-fit into the washer reservoir. Voltage: 12V.
We Have This Part in Stock
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.
- Audi A6 Quattro: