ATE has lawyered up, now that they are owned by ITT, originally a
'merkun company.
DOT 4 is superior in any VEEhicle.
they are claiming older MBs are DOT3 only, but I am here to testify
that merkun DOT3 in any post 1959 MB will swell the brake hoses shut.
I think the same it true for any postwar MB ,but don't have
experience there.
DOT5 can be used in any MB also, but does require changeout and
flush, and in my experience, multiple follow-up drainings to be sure
the DOT3/4/water is all gone.
When DOT5 was new, MB said the hoses were incompatible. Subsequent
study shoed that hosed used with DOT4 prior to changeover/flush to
DOT5 work well. I presume that hoses made by MB more then 5 yrs
after into of DOT5 are ok new. I never had any trouble either way.
For high performance braking, DOT5 is the way to go, unless you like
brake fade and loss of braking under duress.
Remember this is only an opinion...
On Feb 7, 2013 12:49 PM, "Mitch Haley" <m...@voyager.net> wrote:
1. The manufacturer of my vehicle specifies the use of DOT 3
brake fluid. Can I also use DOT 4 brake fluid?
No! The specifications of the vehicle manufacturer must be complied with.
ATE
recommends only using the DOT class which is recommended by the vehicle
manufacturer.
Surprised nobody is chiming in on this issue (DOT4 brake fluid in DOT3-era
cars).
Alex
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