When a client brought in their Audi S5 experiencing cooling system issues, our technicians knew this would be a job demanding precision, technical know-how, and patience.

Replacing the thermostat and the notoriously challenging rear main seal—a time-consuming procedure that requires detailed disassembly and expert handling.

The Audi S5’s engine layout can be quite tight, and accessing the thermostat often means removing several components like the intake manifold or coolant pipes. The task demands specialist knowledge, the right tools, and patience to ensure no leaks or engine damage occur afterward. It’s definitely one of those jobs best left to experienced mechanics familiar with German performance engines.

The Audi S5’s V6/V8 engine design packs components tightly, making access to the thermostat and rear seal difficult. The thermostat housing sits beneath several parts.

Thorough Diagnostics: 
Confirmed the cooling system malfunction and identified the rear seal needed replacement.

Meticulous Disassembly: 
Carefully removed surrounding components without causing collateral damage, including the intake manifold and transmission.

Expert Replacement: 
Installed a genuine Audi thermostat and a high-quality rear main seal using manufacturer specifications.

Attention to Detail: 
Ensured proper torque settings, seal seating, and fluid refills, followed by a full system bleed and leak test.

Final Testing: 
Road-tested the vehicle to verify the repair’s success and customer satisfaction.

The Audi S5 now runs smoothly with optimal engine temperature regulation, helping preserve engine longevity and performance. The customer appreciated our transparent communication and detailed workmanship.

This job illustrates our commitment to high standards and technical expertise, especially on premium and performance vehicles. When complexity meets precision, our skilled mechanics deliver reliable results that keep your car running at its best.

Audi S5 Thermostat and Rear Main Seal Replacement

AAAA

MTAQ

Wedmaier's Garage take great pride in offering their clients personalised, and friendly service at all times. 

Conveniently located in Riverview, the business is a member of the Repco Auto Tech training program, ensuring their technicians are kept fully up to date with modern vehicle repair methods. 

Wedmaier's Garage have a wealth of experience in servicing all makes and models, including commercial fleet vehicles. As a Repco Authorised Service Centre, they have a commitment to high quality workmanship, ensuring the very best in automotive care.


Wedmaier's Garage

Audi S5 Thermostat and Rear Main Seal Replacement

Precision, Patience & Expertise

The Task?

The Challenge

Our Approach

The Outcome

Why Choose Us?

Related articles

Car service in Riverview

Why Regular Diesel Vehicle Service is Essential

4WD repairs, servicing & accessories