Coolant Replacement – Volkswagen Golf Mk8 (2022)

A 2022 Volkswagen Golf Mk8 came to our workshop this time for an important maintenance job: coolant replacement. When the vehicle arrived, we checked the condition of the cooling system, hose tightness, water pump function, and the engine’s temperature stability. We prepared everything so the replacement could be carried out safely and according to the manufacturer’s recommendations.

This visit also included one unique detail that made the service more interesting and required a precise technical approach.

Below you’ll find a detailed description of the service and answers to the most frequently asked questions.

Service procedure – coolant replacement

On the Volkswagen Golf Mk8 (2022), we first drained the old coolant, cleaned the expansion tank, and checked for internal deposits. Then we flushed the entire system to remove any impurities that could negatively affect the engine’s temperature stability.

After that, we refilled the system with new coolant of the specified VW specification, bled the entire circuit, and verified proper circulation and that the optimal operating temperature was reached.

Correct coolant is essential for protecting the engine against overheating, corrosion, and freezing. In the Golf Mk8 it is especially important due to the sensitivity of modern TSI engines to temperature fluctuations.

After completing the replacement, we performed a test drive and confirmed that the engine maintains a stable temperature and the system operates without leaks.

‍

‍

‍

Most frequently asked questions.

1. Why is it necessary to change the coolant regularly?
Coolant gradually loses its chemical properties over time, its ability to carry away heat decreases, and it stops protecting the engine against corrosion. Old fluid can cause overheating, contamination in the system, or reduced water pump lifespan. Regular replacement keeps the engine at safe temperatures and helps prevent costly repairs.

2. How often should you change the coolant in a VW Golf Mk8?
Volkswagen recommends changing it on most modern engines every 3–4 years or depending on mileage. If the car is exposed to higher temperatures, frequent city driving, or towing a trailer, it’s advisable to check it sooner. On the Golf Mk8 (2022), the replacement is especially important due to the high thermal demands of TSI engines.

3. How can I tell the coolant is no longer working properly?
Typical signs include increased engine operating temperature, temperature fluctuations while driving, coolant leaks, rusty or cloudy fluid in the reservoir, a glycol smell, or the cooling fan switching on frequently. If any of these appear, it’s best to have the cooling system checked as soon as possible.

Conclusion
After the replacement, we thoroughly checked the Volkswagen Golf Mk8 (2022), verified the tightness of the entire system, and monitored temperature control during driving. If you need a professional coolant replacement, we’ll be happy to provide the same level of care for your car.