Re: Contaminated Brake Fluid in a CUCV

From: Nathan Wilkens (nathan.wilkens@asu.edu)
Date: Thu Jul 04 2002 - 08:41:51 PDT


First, thanks for all the info.... Now, a follow up question:

I understand that a brake system with seals designed for DOT 5 brake fluid
would be damaged by the use of DOT 3 or 4. I also understand that a system
made for DOT 3 or 4 can be 'upgraded' to DOT 5 with minimal risk of damage.

Is it fair to assume that since a CUCV is basically a civilian vehicle
first, it would have a brake system designed for DOT 3 or 4, and that Uncle
Sam just put DOT 5 in it? I'm hoping the answer is yes, because I've had
mixed brake fluids for at least 9 months now (since I bought it, but who
knows how long it was mixed before) with no leaks and no reduction in
performance.

Incidentally, when flushing out the old stuff, many of you have recommended
using isopropyl alcohol to scrub out the mixed fluid, then using an air
compressor to blast it clean. I don't have good access to an air
compressor - can I just pumped the alcohol through and leave it open to dry
out? Or should I skip the alcohol step entirely if I don't have an air
compressor (or am I overlooking some obvious means to gain pressurized
air?).

Thanks,
Nathan Wilkens



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