8V Audi S3 Water Pump Replacement Cost & Failure Symptoms

The Audi 8V S3, produced from 2015, 2016, 2017, 2018, 2019, 2020, and 2021, is equipped with a 2.0T turbocharged four-cylinder engine mated to either a six-speed manual, six-speed DSG, or seven-speed DSG automatic transmission. The 8V S3 features a Quattro all-wheel-drive (AWD) system, enhancing its performance and handling. The 8V S3 received updates in styling and performance features over the years while retaining its powerful 2.0T engine.

A key component in the cooling system, the water pump on the 2.0T engine ensures coolant circulation to maintain the optimal engine temperature. Common issues with this water pump, such as leaks or failure, require timely replacement to avoid overheating or significant coolant loss.

2.0T 8V S3 Water Pump Issues

The water pump on the 8V S3’s 2.0T engine is situated on the front of the engine block, underneath the intake manifold. For a visual inspection, begin by removing the lower engine shield and tracing the radiator hoses upward to locate the water pump and thermostat housing. The 8V S3’s water pump is belt-driven by the balance shaft, which includes a thermostat housing prone to leakage. Additionally, it features an electromechanical thermostat to regulate coolant flow, though this is not typically the failure point. When you have a water pump or thermostat housing failure, it’s recommended to replace both the water pump and thermostat housing together.

Coolant Leaks

The most frequent issue with the 2.0T 8V S3 water pump arises from leaks, particularly where the thermostat housing attaches to the engine block or where the water pump joins the thermostat.

Fault Codes

Although leaks are more common, a malfunction may trigger a check engine light or fault codes related to the thermostat housing. The following code is the most typical:

P00B7: Low coolant flow/performance

Overheating

Overheating is relatively rare with these water pump issues, but if your S3 runs low on coolant, overheating can occur. Should your temperature gauge exceed the normal range, avoid operating the vehicle to prevent engine damage.

Replacing the 8V S3 2.0T Water Pump

Audi S3 Water pump Replacement

If you’re an experienced DIYer, replacing the 8V S3’s water pump might be within your skill set. Expect this to take 6-8 hours for the average DIY person.

We offer a DIY video on how to replace the water pump and thermostat on a similar Audi model that uses the same parts. While there may be slight differences for the 8V S3, it should closely match the process. [VIDEO]

To replace this Water Pump, you will need to:

Drain your Coolant
Remove HPFP Hard Line
Remove Intake Manifold
Loosen Water Pump drive belt and cover
Remove Water Pump and Union
Clean mounting areas
Lubricate Water Pump union and install
Install Water Pump and drive belt
Reinstall Intake Manifold and associated components
Fill and burp Cooling system

8V S3 Water Pump Replacement Cost

Audi S3 Water Pump Replacement Cost

Everyone wants to ensure they are paying a fair price for work on their vehicle. There are two main factors when it comes to the pricing of these repairs on your S3.

Part Price

Part price will vary widely, depending on who it is purchased from and what manufacturer makes the water pump you are buying. Quality matters when it comes to brand selection.

OEM/Genuine Audi Parts - These are the same parts you would buy from the dealer. These are generally the most expensive option. If possible, purchase OEM/Genuine parts from someone like us, as they are the same part as the dealer part for much less money.
Aftermarket Parts - These parts are made to be a cost-effective option. These parts can be serviceable, but for the sake of longevity, OEM/OE Parts are the go-to choice.
OEM/OE Parts (Preferred) - These parts are made by a manufacturer of Genuine parts but will not have the Audi logo on them. Most often, they are identical to Genuine Audi parts, minus the logo. For our 8V S3 water pump kit, the brand is INA, which offers the best quality/value combination.

Genuine Audi 8V S3 Water Pump Kit

INA 8V S3 Water Pump Kit

Labor Price

Labor costs will vary based on your location. Expect to pay around 6 hours of labor for this repair. Since labor rates vary, labor time is the best way to gauge if you are being fairly charged. You should consider performing a carbon clean on the intake valves while you are in there (expect an additional 1.5 hours of labor). We generally advise going with a European specialty shop as they provide the best value for quality work. The next best option is generally an Audi dealer, depending on your area.

Maintaining Your 8V S3 Water Pump

To keep your 8V S3 running smoothly, regular inspections of the water pump and prompt attention to any signs of leaks or fault codes are essential. Replacing both the water pump and thermostat housing together is often the best solution to prevent future issues. Confident DIYers can save on repair costs by tackling this replacement themselves, but make sure you have the tools and expertise needed.

With proper maintenance, your 8V S3’s 2.0T engine will continue to deliver reliable performance for years. If the repair seems daunting, consult a qualified mechanic to ensure your S3 remains in peak condition.

Looking for an Audi Specialist? We have shops in North Carolina and Ohio – DAP Repair