[Healeys] Dot 5 Silicone break fluid

[Oudesluys]

The only safe way to go about this is to thoroughly flush the lines with 
brake-cleaner, followed by brake fluid DOT4, dismantle MBC's, callipers 
and brake/clutch cylinders, clean them using brake cleaner and fit new 
seals using clean brake fluid DOT4 or the special purpose grease. Also 
renew your rubber brake hoses as they may have been affected.
You could use DOT5 instead of DOT4 with the new seals and flexible lines 
if you are absolutely sure that these are made from modern materials and 
compatible with DOT5. Obviously the cleaning and rebuilding should then 
be done with DOT5.

When rebuilding hydraulic systems make absolutely sure that all parts, 
inside and out, and your hands/gloves are scrupulously clean.
I personally would forget about DOT5, use DOT4 and replace the brake 
fluid every 2 years. That way you keep an eye on the systems better.

Kees Oudesluijs
NL


Op 6-7-2012 20:09, Michael J Maloney schreef:
> John;
> Help! My brake and clutch systems were dry.This morning I put Dot 5 in my
> reservoir and bled the clutch so that i could drive for front end alignment
> where he told me that the Dot 5 would rot all seals and rubber it came in
> contact with. He suggested flushing with break clean and flushing with Dot
> 4,and strongly suggested new cylinder kits.
> The Dot 5 did not get past the break M/C.
> Any help will be much appreciated.
> Mike Maloney 66 HLY
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-- 
Kees Oudesluijs
Dorpsstraat 183
2995XG Heerjansdam
T: 078-677 1233
E: coudesluijs at chello.nl

Technische commissie Jensen Healey en GT
Het Jensen Genootschap Holland
www.jensenholland.nl