For FMJ vehicles, Chrysler only recommends inspecting the brake fluid – but says nothing about changing it.
DOT 3 is what FMJ cars were built with. DOT 4 is a slightly better fluid than DOT 3 (higher boiling point) but for all practical purposes, DOT 3 and DOT 4 are the same thing. DOT means US Department of Transportation – which is who classified the names/numbers.
If pricing brake fluid and you can find DOT 4 for same price as DOT 3 – get it, otherwise it really doesn’t matter to most...
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DOT 3 is what FMJ cars were built with. DOT 4 is a slightly better fluid than DOT 3 (higher boiling point) but for all practical purposes, DOT 3 and DOT 4 are the same thing. DOT means US Department of Transportation – which is who classified the names/numbers.
If pricing brake fluid and you can find DOT 4 for same price as DOT 3 – get it, otherwise it really doesn’t matter to most...
Read more
