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
>________________________________________
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