Dave,
I keep a reasonably complete set of both metric and SAE wrenches in my
box. I have encountered a number of situations working on roadsters, almost
exclusively low-windshield cars, where the wrench which is supposed to fit
won't, but it's metric companion or vice-versa, will. Also, had to carefully
file down the flats on a couple of brake line fittings, and use metric when
the SAE fittings were corroded. Never regretted having spent the money on
both.
Gary
________________________________
From: D Riedel
<stamuki@gmail.com>
To: Stan Chernoff <az589@lafn.org>
Cc: Gary and Cindy
Ault <aultgc@att.net>; "datsun-roadsters@autox.team.net"
<datsun-roadsters@autox.team.net>
Sent: Friday, July 11, 2014 1:18 PM
Subject: Re: [Roadsters] Right rear brake cylinder leak
Thanks fellas,
good advice. I'll grab a cylinder from Ross once I confirm that's the
problem, see below.
That's interesting about the metric/SAE wrench issue. I
thought they were SAE - I have a 3/8 + 7/16 combo line wrench which I bought
to work on the Roadster... I've used it on the clutch slave, certainly.
Somehow, it really didn't seem to fit, so I grabbed a 10mm/11mm.
11mm =
0.4331"
7/16 = 0.4375"
Not sure how I'd fail to get the slightly larger
7/16" on there... maybe it's because I was lying upside down on the driveway
with my head under a car at 8:30 at night?
Meanwhile, having popped the drum
off, everything inside looks good. Shoes are ~new, which is nice, and there's
no brake fluid in there. The cylinder doesn't really seem to be losing fluid
- not from that side, anyway. I've flushed and bled that corner and topped-up
the M/C and haven't lost any fluid since. Mysterious?
-dave
On Tue, Jul
8, 2014 at 6:33 PM, Stan Chernoff <az589@lafn.org> wrote:
Dave,
>
>The hex
dimension on the tube fitting for the rear brake cylinder is 7/16" . While
11mm is close to 7/16" you would waste your money if you purchased metric
tubing wrenches to work on a Datsun roadster since all of the brake tubing
fittings are SAE.
>
>Stan
>////////////
>
>
>At 05:52 PM 7/8/2014, Gary and
Cindy Ault wrote:
>
>Dave,
>>
>>Although Graeme's advice is always well
thought-out, and you can't go
>>wrong with new cylinders, if you have the
additional time, I'd take the
>>leaking cylinder apart, and check the bore.
If it is smooth (not pitted) and
>>the piston is not corroded, I'd use a
repair kit, and I have done so
>>successfully.
>>
>>As to the size of the
nuts, do yourself a favor and buy a set
>>of metric flare nut wrenches: 9 x
11 and 10 x 12, or the equivalent. They
>>grip the nuts on nearly all sides,
don't slip, and one of those sizes will fit
>>the nuts. My guess is 10mm. (I
have both metric and SAE flare nut wrenches
>>in my box.)
>>
>>Gary
>>
>>________________________________
>> From: D Riedel
>><stamuki@gmail.com>
>>To: datsun-roadsters@autox.team.net
>>Sent: Monday, July 7,
>>2014 3:57 PM
>>Subject: [Roadsters] Right rear brake cylinder leak
>>
>>
>>Looks like
>>my
right rear cylinder is leaking. A quick confirmation,
>>please: are the
>>nuts on the brake lines for a '69 2000 10mm?
>>
>>Also, what are my options
here
>>and which is(are) preferred? New cylinder?
>>Rebuild kit? Alternative
>>cylinder?
>>
>>Thanks everyone...
>>
>>--
>>Dave Riedel
>>'69 2000
>>Victoria, BC
>>
>>
>>
>>
>>________________________________________
>>
>
>
>
--
Dave Riedel
'69 2000
Victoria, BC
________________________________________
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