Audi 8V S3 Water Pump – Locate Problems, How to, and Tips

The Audi S3 (8V), produced during 2015, 2016, 2017, 2018, 2019, and 2020, is powered by a 2.0T turbocharged four-cylinder engine delivering exceptional performance. Offered exclusively with Audi’s "Quattro" all-wheel drive (AWD) system, the S3 pairs this engine with either a six-speed DSG or seven-speed DSG dual-clutch automatic transmission, providing quick shifts and smooth power delivery.

The water pump is a critical component of the cooling system, ensuring the 2.0T engine maintains optimal temperatures. Issues such as leaks or mechanical failure can lead to engine overheating or significant coolant loss, making timely inspection and maintenance essential.

2015 Audi S3 (8V) Water Pump

2016 Audi S3 (8V) Water Pump

2017 Audi S3 (8V) Water Pump

2018 Audi S3 (8V) Water Pump

2019 Audi S3 (8V) Water Pump

2020 Audi S3 (8V) Water Pump

Audi S3 2.0T Water Pump Issues

The water pump in the S3’s 2.0T engine is located at the front of the engine block, beneath the intake manifold. Conducting a visual inspection requires removing the lower engine shield and tracing the radiator hoses to identify the thermostat housing and water pump assembly.

• Coolant Leaks

The most common problem originates from leaks, particularly where the thermostat housing meets the engine block or the water pump connects to the thermostat.

• Fault Codes

In some cases, water pump or thermostat issues trigger a check engine light or diagnostic codes, such as

• • P00B7: Low Coolant Flow/Performance

• Overheating

Although less frequent, overheating may occur if coolant levels drop too low due to leaks. If the temperature gauge rises above normal, stop driving immediately to avoid engine damage.

Replacing the Audi S3 (8V) Water Pump

Replacing the water pump in the S3 requires intermediate to advanced DIY skills. Accessing the pump involves removing the intake manifold. To ensure long-term reliability, replace these components during the repair: Water Pump Thermostat Housing Intake Manifold Gasket Balance Shaft Drive Gear Bolt (reverse-threaded) Water Pump Drive Belt (optional) – While the belt does not have a scheduled service interval, replacing it during this repair is a good preventative measure.

Given the similarities between the S3 and other 2.0T-equipped models, refer to a detailed video or guide for a comparable model for assistance. VIDEO

Maintaining Your Audi S3 Water Pump

Routine inspections and addressing leaks or diagnostic codes promptly are key to avoiding major cooling system issues. Replacing both the water pump and thermostat housing together is strongly recommended to reduce the likelihood of repeated failures. For those less confident in tackling the replacement, consulting a qualified Audi mechanic is the best way to keep your S3 running at its peak.

Proper maintenance ensures that the S3’s 2.0T engine continues to deliver the thrilling performance it’s known for.

Looking for a VW/Audi Specialist? We have shops in North Carolina and Ohio – DAP Repair.