A technique I used with great success was to force air from my shop vac
(which also doubles as a leaf blower) through the M/C opening after I had
poured denatured alcohol inside, opening one bleeder valve at a time (in the
same order as bleeding the brakes) and forcing the alcohol through each line
in turn. The air from the leaf blower was totally dry and I'd let it run a
good minute or so after seeing the last drop of alcohol fall out of each
bleeder. Full details of the DOT 5 switchover are provided on my website.
As I recall, however, I rebuilt my M/C *after* I flushed the system with the
alcohol. Everything has been working perfectly ever since. I'm looking
forward to replacing my clutch fluid with DOT 5 next. Well, I shouldn't say
"looking forward" since that will also include a rebuild of the clutch M/C
and S/C.
Best wishes,
Jeff in San Diego
'67 RHD Spitfire Mk3 aka "Mrs. Jones"
Jeff's Classic '67 Spitfire Mk3 site & Vintage Spitfire Webring
http://www.ohms.com/spitfire/spitfire.shtml
home of the NEW Totally Triumph Auction
"By Triumph enthusiasts, for Triumph enthusiasts"
http://www.ohms.com/cgi-bin/TRauction.cgi
and... The Triumph Autos/Parts Wanted Listings
http://www.ohms.com/cgi-bin/TRwanted.cgi
...plus a few other surprises!
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
----- Original Message -----
From: Simmons, Reid W <reid.w.simmons@intel.com>
To: Spitfire List <spitfires@autox.team.net>; Triumph List
<triumphs@autox.team.net>
Sent: Wednesday, July 12, 2000 4:22 PM
Subject: RE: (more) brake and clutch rebuilding questions
>
> Reg;
>
> I used a "Mity Vac" to pull the various fluids through the hydraulic
system.
> The one step I left out in my previous eMail was that the last thing I did
> in the cleaning process was to flush a lot of brake fluid through the
lines
> prior to filling and bleeding. However, if you are switching to Silicone
> based fluid (DOT5) that last step could be somewhat expensive so I might
> substitute a lot of high pressure [dry] air instead of brake fluid.
>
> Reid
> '79 Spitfire (original owner)
>
>
> -----Original Message-----
> From: Reginald Tulk [mailto:regtulk@isd.net]
> Sent: Wednesday, July 12, 2000 3:33 PM
> To: Spitfire List; Triumph List
> Subject: (more) brake and clutch rebuilding questions
>
>
>
> Thanks to those of you who responded - brake system work seems to be a
> popular thing to do!
>
> I still have some questions regarding "flushing" of the system. Am I
> correct in assuming that you would "substitute" alcohol for fluid and
> use the master cylinder to push everything thru; then when it seems
> clean enough blow air thru to remove the alcohol and replace the brake
> fluid, again using the master cylinder to fill the system? how much
> should i be concerned about getting alcohol in my brake fluid and vice
> versa? Will the alcohol "remove" all the fluid that i used to lubricate
> the M/C when it is assembled? Should I just have a beer and relax?
>
> Thanks
>
> Reg Tulk
> '74 Spit
>
> PS for those of you who had asked - directions and info for the MN
> Triumphs Tech Session is at
> http://www.isd.net/hammond/hosting.html
>
>
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