The new 2008 Subaru WRX STI and all of the 2009 model year Subaru’s use a new type of coolant dubbed by Subaru as “Subaru Super Coolant”. This coolant is blue in color and every bottle has a big “S” in the middle and a red cape on it.

According to Subaru the new Coolant must NOT be mixed with any other type of coolant. This means that when the cooling system is serviced for any reason or the overflow bottle is topped off during a routine oil change the new coolant must be used.

Subaru is stating that the mixing of the new coolant with any other type of coolant will alter the protection capabilities of the new coolant, which Subaru claims will last 10 years before service is needed.

The good and bad explained.

By increasing the service life of engine coolant we should be able to cut down on some of the hazardous waste generated when performing routine maintenance. This should also save some money with regards to the cost of service, and has the added benefit of being better for the environment.

The new Super coolant is much more expensive than just regular coolant or even the Factory Subaru coolant used to date. Also is the real possibility that not every shop, (especially quick lube centers) will follow the recommendation of the manufacturer.  

This can and will create a situation where the owner of a newer Subaru will wait the 10 years for service, but because the coolant is mixed may be faced with expensive repairs prior to that service being done.  This is where a good Independent Subaru Repair shop like All-Wheel Drive Auto can serve you better.

Staying informed is the only real way to get the most out of your vehicle.

All Wheel Drive Auto is committed to keeping our customers informed about the cars they drive. And providing tips for Subaru owners who find our website regardless of where they live.
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