[ae1969]

The orange is supposed to be friendly, but so is the usual green stuff from prestone..............

If you search dexcool on the web, you will run into a lot of complaints. From causing excessive corrosion on older engines, bad on sealants used on gaskets, causes sludge formation..............you name it. There are some lawsuits that were filed against GM regarding this as well.

Not really sure what to tell you.