Passat how much coolant

The stuff typically contains ethylene glycol, which does not correspond to the desired specifications of the VW cooling system. Poor quality antifreeze can contaminate the system, resulting in damage to the metal, rubber and plastic elements. External signs of such decay include bulging coolant hoses and a white calcified residue oozing for the clamp areas.

But there can also be non-visible issues developing such as lime and scale deposits building up in the radiator core. Ultimately, these problems will cause your engine to run hotter than desired. Cooling System Flush Kit. Radiator Cleaner - mL. Coolant does more than just keep your engine at optimal temperatures, it protects against corrosion, lowers the boiling point of water, and is specifically formulated for use in your engine. Make your next cooling system service a proper one with OEM coolant or performance aftermarket coolant and additives from high-quality brands you trust.

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If your car have those unscrew them and drain coolant from the engine block. If you want to clean the system pour coolant cleaner and start the engine. Read the coolant cleaner manual and follow the product directions.

Then flush coolant cleaner as you've flushed coolant before. The final step is to pour new coolant. Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your Volkswagen Passat Sedan user's manual.

Before doing any DIY service please check your insurance policy and Volkswagen warranty policy for your region. In some regions DIY service may invalidate your warranty. DIY car service is not as difficult as it looks like and it might save you thousands of dollars per year. It might be even fun and a good thing to do with your kids on a weekend to teach them how basic machinery works.