In article , Lee Ayrton wrote: #Here's one, though: The guy at the lube shop claimed that the red dye #in ATF fluid is designed to give up and turn brown about the same time #as the additives in the fluid give up. Anyone know if that's true?
Maybe for older ATF fluids but not for the newer ATF+4.
A lube place tried to sell me a ATF change stating that they had a additive to make the stuff they had on hand into ATF+4.
Yeah. Right. ATF+4 is full synthetic by spec...
/herb