Dodge Durango Forum II
Re: hm.. I'm pretty sure DOT4 is a compatible upgrade to DOT3..
Joe Levy [NY 2K CPR SLT 5.9 3.92 PT4WD]
jlevy2@nycap.rr.com
You may be right, Tom, but the DOT spec doesn't reference compatibility. Here's the full FMVSS 116 spec:
http://www.fmcsa.dot.gov//rulesregs/fmcsr/regs/571.116.htm
Don't know how much mineral oil based brake fluids are used these days, so that might be moot. I DO KNOW that DOT 5 SBBF is NOT compatible with any other brake fluid.
Wed Apr 30