I know what you mean about it being a royal pain to reset the failure =
indicator valve. Some are so sensitive that if you push a little too =
hard (or too fast) when you're bleeding a system, it can set the valve =
to the switch-closed position.
I personally have never had any problem with a dual-master-cylinder =
system, although once I picked up a rebuilt dual master cylinder from a =
'reputable' auto parts house and found out that it wouldn't bleed =
properly...kept getting air in it. It turned out that some goofball on =
the assembly line put one of the seals in backwards and rolled another =
one over while assembling it!!! That, combined with the fact that there =
were still obvious pits that couldn't be honed out, explained the =
problem. I took it back and pointed out the multiple problems to the =
embarrassed manager in front of a few amused customers. Told the guy he =
needed to find a new supplier of rebuilt brake parts before they killed =
someone.
Anyway, thanks for your input.
By the way (off the subject), one of these days my wife and I would love =
to make a trek to Scotland. I spent a couple of weeks there a few years =
back...a few days in Edinburgh, but mostly in the Western =
Highlands...had a great time. Edinburg seemed like a fascinating and =
very liveable city, but I especially loved the great, stark, unpopulated =
expanses of the northwestern part of the country. We live in Salt Lake =
City, Utah.
Regards,
Alan
-----Original Message-----
From: Gordon.W.I. McMillan [SMTP:gwim2@student.open.ac.uk]
Sent: Friday, July 25, 1997 12:49 AM
To: alan_bowes@phast.com
Cc: mil-veh@skylee.com
Subject: Re: [MV] Dual master cylinder conversion for M37 ???
Hi Alan, I didn't realise that the Volvo system operated BOTH front
brakes - I thought it was a simple diagonal split.
I suppose your requirements mainly depend on the amount of hard work
your vehicle will be doing. My personal choice was the original
systems plus good maintenance and an understanding that they are
inherently less reliable that modern systems. Since all mine have
transmission handbrakes it is just as well that I'm doing relatively
low milages at less than 55mph. =20
I have used the front / back split on a car (my GT350) and find it
inherently more prone to failure and maintenance intensive when given
occasional use - not to mention the difficulty in resetting the
position indicator spool valve. I had to buy new stainless calipers,
lines, etc to prevent sticking of the calipers and the indicator light
trigger, plus continual bleeding to reset it. regards, Gordon.=20
Falkirk, Scotland. 8-)
===
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