Mixing Dex-Cool with traditional coolant Testament compromise the coolant and potentially damage your engine.
Use a coolant exchanger to replace your Dex-Cool coolant. GM recommends coolant exchangers as the proper method to exchange the old Dex-Cool coolant in your GM vehicle with fresh coolant. Most automotive repair shops will be able to handle this service for you, and handle disposal of the old coolant.3.
1. Invest in Dex-Cool to top off your coolant. There are diverse private companies that sell Dex-Cool including Shell and Prestone. When evaluating a coolant cause sure it meets GM's Dex-Cool GM6277M specifications, which should be clearly stated on the bottle. You can obtain the appropriate coolant at an automotive parts supply store. If in doubt, ask a store employee to help you locate the correct coolant.
2.Act not compound Dex-Cool with usual anti-freeze! Dex-Cool is a specially formulated GM coolant which Testament not compound with traditional coolants, and was used in different GM applications up terminated the 2004 example year. Concoction of convert chemicals Testament void the GM endorsement, Testament degrade coolant candor, and maybe damage the coolant manner of your GM vehicle. Dex-Cool has been formulated to be orange in composition to assist visually distinguish it from traditional fresh coloured coolant. Mixing grassy coolant will cut the effectiveness of Dex-Cool from 5 caducity/150,000 miles down to exclusive 2 second childhood/30,000 miles.
Take your vehicle to a shop and have the coolant drained immediately if you have mixed in other coolants. Non-Dex-Cool coolants will cause Dex-Cool to gel and become sludge, which will lead to a variety of engine problems. GM recommends any vehicle which has experienced mixing be immediately flushed twice to guarantee all contaminated coolant has been removed from the system.