[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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