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Q: EVAPORATION OF ANTIFREEZE on 2002 Chevrolet Trailblazer

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
I GET MY OIL CHANGED EVER 30,000 MILES TO WHICH THEY TOP OUT ALL OF MY FLUIDS, ANTIFREEZE BEING ONE OF THEM. WHY DID MY ANTIFREEZE EVAPORATE AND MY CARE STARTED RUNNING HOT AND THEY ARE UNABLE TO FIND ANY LEAKS? ALSO IS THERE A RECALL ON THE TYPE OF ANTIFREEZE BEING USED?
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Antifreeze does not evaporate, it must be leaking somewhere. There could be a very slow external leak which is very hard to find or you could have an internal coolant leak into the cylinders causing coolant loss. At this time there a no recalls on the dexcool antifreeze used in your Trailblazer however there have been some problems with that type of antifreeze. Try searching the internet for more information on dexcool antifreeze.
If I was you I would be changing my oil sooner than 30,000 miles. You must be putting some good expensive oil in cause I do mine every 3,000 to 5,000 miles.
i have the same problem with my car i believe its due to the water in 50-50 mix that evaporates.
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