[DeTomaso] ABS Calipers vs. NON-ABS Calipers
JDeRyke at aol.com
JDeRyke at aol.com
Wed Jun 17 16:47:13 EDT 2009
In a message dated 6/17/09 7:52:10 AM, tborcich at msn.com writes:
snip.....
> ...frankly I don't want to a lot of money on rebuilding the original
> calipers and potentially spending as much or more vs. just replacing the
> caliper with a better unit.
>
Not a big problem to rebuild them, Tom. Usually, the only problem is a
stuck piston or two, due to varnish that forms when brake fluid isn't changed
yearly. So in a nutshell, you force each piston out in turn on a given
caliper, scotch-brite the piston and its bore, add a new square-section o-ring to
the assembly from a vendor kit, and put the original piston back. Sloppy and
messy- yes, but not difficult nor expensive. Untrained owners have done all
4 calipers themselves in an afternoon at our Tech Sessions, with frequent
beer-breaks. The ONLY terminal problem in stock brakes is a rust-pitted
piston: all Euro brake caliper pistons (not just DeTomasos, either!) are
nickel-plated mild steel while all U.S ones are stainless. The plating reacts in
waterlogged brake fluid just like a neglected bumper- it blisters. There are
no known replacement pistons for most calipers so thats the only time
non-racers need to start looking for new brake calipers. My 2¢- J DeRyke
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