Audi A6 Windshield Washer Pump Guide (1995-2012)
Everything you need to know before replacing the windshield washer pump on your C4, C5, or C6 generation Audi A6.
- A failed pump usually results in no sound and no fluid, or a humming sound with a weak spray.
- Replacement is a straightforward DIY job, requiring access through the driver's side fender liner.
- Premium aftermarket brands like Continental offer OEM quality, while Vemo is a solid mid-tier choice.
- Always replace the small rubber grommet with the pump to prevent leaks.
Is Your Audi A6 Washer Pump Failing?
A failing windshield washer pump on your 1995-2012 Audi A6 can be a nuisance, especially in bad weather. Diagnosing the problem is usually straightforward. The most common sign of failure is when you activate the washers and nothing happens, or the spray is very weak.
Common Failure Symptoms:
- No Sound, No Fluid: If you pull the washer lever and don't hear the familiar humming sound of the pump motor, the pump has likely failed electrically or isn't receiving power. This could also be a blown fuse, so it's worth checking the fuse box first.
- Pump Hums, But No Fluid Sprays: If you can hear the pump running but no fluid comes out, the issue could be clogged nozzles, disconnected or cracked hoses, or an internal failure in the pump where the motor runs but doesn't build pressure. Sometimes the pump itself can get clogged with debris or gelled fluid.
- Fluid Leaking Under the Car: Puddles of washer fluid under the front driver's side of the car often point to a leak. The pump itself can crack and leak from its housing, or the rubber grommet where it pushes into the reservoir can degrade and fail.
- Low Washer Fluid Warning Light: If your A6 has a fluid level sensor, a constant warning light on the dash despite a full reservoir can sometimes be related to a leak at the pump, causing the tank to drain slowly.
Known Issues & Recalls
There are no specific recalls from the NHTSA for the windshield washer pump on 1995-2012 Audi A6 models. However, TSBs exist for newer models regarding issues like a false low fluid level warning due to certain types of washer fluid, and washer hoses rupturing inside the cabin. While not directly for this year range, they highlight the sensitivity of Audi systems.
Choosing the Right Aftermarket Washer Pump
When replacing the washer pump, you don't have to buy an expensive OEM part from the dealer. Several quality aftermarket brands offer reliable alternatives. The choice often comes down to a balance of price and quality.
Aftermarket Brand Tiers for Audi A6
Premium Aftermarket (OEM-Equivalent): Brands like Continental (who also makes VDO parts) are often the original equipment manufacturer for Audi. Choosing a Continental pump is the closest you can get to dealer quality, ensuring perfect fit and long-term reliability. They are an excellent choice if you want to fix it once and not worry about it again.
Quality Aftermarket: Vemo is a well-regarded aftermarket brand that produces a wide range of parts for German vehicles. Forum users have reported positive experiences with Vemo washer pumps, noting they perform like the original part at a lower cost. Trico, while famous for wiper blades, also offers pumps that are a solid mid-range option.
Economy Aftermarket: URO Parts is a budget-friendly brand. While they make parts available that might otherwise be hard to find, their quality can be inconsistent. For a simple part like a washer pump, it might be a viable option if cost is your primary concern, but be aware that the fit and longevity may not match premium brands.
Pro Tip: Check Your Connections
Your Audi A6 may have a single pump for the windshield, a dual-outlet pump for front and rear (common on Avant models), or a separate pump for high-pressure headlight washers. Before ordering, verify which pump you need and the number of electrical and hose connections.
DIY Replacement & Cost
Replacing the washer pump on an A6 is a manageable DIY job for most home mechanics. The pump is located at the bottom of the washer fluid reservoir, which is in the front driver's side of the engine bay. Access usually requires removing the front driver's side wheel and the fender liner. Once you have access, the pump simply pulls out of a rubber grommet in the reservoir.
| Part Type | Estimated Cost |
|---|---|
| New Aftermarket | $13.87 - $57.11 |
| Shop Labor | $100 - $180 |
Frequently Asked Questions
Where is the windshield washer pump located on my Audi A6?
The pump is pushed into the bottom of the washer fluid reservoir. You can access it by jacking up the car and removing the front driver's side wheel and inner fender liner. 🎬 See a step-by-step walkthrough of the pump replacement process. On some models, you may be able to reach it from above after removing a few plastic covers.
Do I need to drain the washer fluid before replacing the pump?
Yes. If you don't drain the reservoir before pulling the old pump out, all the remaining fluid will spill out from the bottom. You can drain it by siphoning it from the top or by letting it drain out when you disconnect the pump.
My pump is new but still doesn't work. What else could be wrong?
First, check the fuse for the washer system. If the fuse is good, there could be an electrical issue like a corroded connector or a problem with the control stalk. 🎬 Watch this video for advanced troubleshooting and reservoir removal tips. On rare occasions, the body control module that operates the pump can fail.
Should I replace the rubber grommet with the pump?
It is highly recommended. The rubber grommet seals the pump to the reservoir and can become hard and brittle over time, causing leaks. It's an inexpensive part and good insurance against future leaks.
Helpful Videos
Technical Specifications
OEM Part Numbers: 1K5955651 1K6955651 443955465
The pump is typically a 12V electric motor that press-fits into the washer fluid reservoir. Depending on the vehicle's options (Avant, headlight washers), it may have a single or dual outlet.
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: