And the Handbook text and Workshop Manual illustration are contradicted by
the TD fluid reservoir cap, which says "Fill only to bottom of neck"! --
which I've been doing for the last 30+ years, and always wondered why I
needed to add fluid first thing in the Spring but could never find a leak in
the cylinders or lines. Guess I'll change my ways and leave it 1/2" low....
Sarah Carr
TD3942EXLU in PA
----- Original Message -----
From: "Chip Old" <feold3@mac.com>
To: <mg-t@autox.team.net>
Sent: Tuesday, January 17, 2012 4:49 PM
Subject: Re: [Mg-t] brake fluid level question
> On Tue, 2012-01-17 at 21:00 +0000, mgbob@juno.com wrote:
>> The TD handbook says to fill brake master cylinder to a level 1/2 inch
>> below bottom threads of the filler neck. That leaves a large volume of
>> air
>> above the fluid, far more than would seem to be needed for expansion.
>> Totally T-Type 2 (Issue 10, February 2012) has an article by a TF owner
>> who
>> rigged a separate overflow bottle to his MC, connected at the back end
>> with
>> banjo fitting, so he can check level and fill from under bonnet, instead
>> of
>> through the hole after removing the rubber plug under the carpet. Would
>> this
>> not fill the MC completely?
>> Why would MG have specified such a seemingly low level? Does it
>> matter?
>> Bob
>>
> The master cylinder cap is vented via a hole in the side of the hex, so
> sloshing causes leakage if the fluid level is too high.
>
> --
> Chip Old
> Cub Hill, Maryland, US
> 1948 M.G. TC TC6710 XPAG7430
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