Older vehicles can be filled with Dex-Cool, but vehicles with more than 3,000 miles will not benefit from its anti-corrosive feature, and the recommended service interval remains at two years/30,000 miles. Protects vital engine parts for up to 5 years/150,000 miles with Extended Life Formula. Manages engine temperature, prevents freezing and protects the engine from corrosion.
ORANGE DEX COOL COOLANT MANUALS
Owner’s manuals of 1996 GM vehicles specify that the engine has been filled with Dex-Cool, and a supplement GM has added to its 1995 owner’s manual to alert consumers and service technicians.īradley said it is “imperative” that independent aftermarket service shops learn about Dex-Cool, so that they won’t inadvertently top off a Dex-Cool-filled engine with standard coolant.ĭex-Cool may be used in older GM and non-GM vehicles, except those with high-lead solder radiators. Designed to work with all GM vehicles 1995 & newer (GM -approved), most Ford vehicles 2011-2018 and most Chrysler vehicles 2013 & newer. Under-hood labels that caution “Use Dex-Cool Coolant Only.” Orange coloring (conventional coolants are green). However, if the two coolants are mixed after the vehicle has been driven 3,000 miles, no immediate problems will occur, but the service interval is reduced from five years/100,000 miles to two years/30,000 miles.īradley said GM has taken several measures to alert service technicians and consumers that a vehicle has been filled with Dex-Cool: If conventional antifreeze is mixed with Dex-Cool in new vehicles during dealer prep, the engine should be drained and refilled with Dex-Cool. This is especially important in vehicles with less than 3,000 miles, Bradley said. Used coolants contain lead and other contaminants absorbed from the engine that are harmful to ground water.ĭex-Cool should not be mixed with conventional coolants. Longer service intervals reduce the need for new coolant and decrease the impact of used coolant on the environment. Buy NAPA Extended Life Orange Cooling System Antifreeze + Coolant Concentrate 1 gal (US) - NAF 1DEX online from NAPA Auto Parts Stores.
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