A simple procedure
ATTENTION!
Study the product instructions carefully before use.
Follow all safety precautions when working with chemicals; wear protective clothing, gloves, and a respirator.
- Detach the lowest pipe of the cooling system and drain the coolant into a prepared container.
- Check the pipes and radiator for dirt and limescale.
- Reattach and secure the pipe.
- i If there’s a little dirt in the pipes and radiator, pour distilled water into the cooling system. Check your vehicle manual for the required volume.
- Start the engine. Let it idle for 10–15 minutes.
- Shut off the engine. Let it cool down for 1–1.5 hours. Detach the lowest cooling system pipe and drain the distilled water into a prepared container.
- i If the distilled water you drained is dirty, repeat the procedure.
- i When the system is flushed, make sure you’ve completely drained the distilled water. Fill the system with new coolant. The required amount is specified in your vehicle manual.
- i If the pipes and radiator are very dirty, use a cooling system cleaner.
- i Be sure to study the product instructions for the chemical. Pour it into the cooling system. The required amount is specified in the instructions.
- Start the engine and let it idle for the time specified in the product instructions.
- Shut off the engine and let it cool down for 1–1.5 hours.
- After the time specified in the instructions has passed, detach the lowest cooling system pipe and drain the cleaner into a prepared container.
- Repeat the procedure if needed.
- i After the system is flushed, make sure you’ve completely drained the chemical. Fill the system with new coolant. The required amount is specified in your vehicle manual.
Den
a smiley technician with plenty of experience starring in AUTODOC's video tutorials; Never seen without his goggles; races his BMW X5 E53; dreams about receiving a Gold Play Button for getting 1,000,000 subscribers on YouTube.
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