[Healeys] Hydraulic system maintenance

[Michael Salter]

Although some of the drivers handbooks recommended changing the fluid every
3 years and all the seals and hoses every 6 years or so  I, like Mirek,
I've never bothered and have had no significant issues.
That said however your clutch system, having been dry for some time, will
most likely require new seals as they get a bit "crusty" when left exposed
to the air for long periods.
BTW ...NEVER hone aluminium cylinders. They have a hard anodised coating
inside the bores which honing will destroy. The remaining unanodized
aluminium is too soft for use as a cylinder bore.

M


On Thu., Jun. 15, 2023, 1:47 a.m. John Spaur via Healeys, <
healeys at autox.team.net> wrote:

> Hello,
>
>
>
> I am seeking the collective wisdom of my fellow Austin-Healey owners.
>
>
>
> I restored my BT7 10 years ago and I drive it about 500 miles a year at
> the most. In the last few years, while the pandemic was in progress, it has
> been even less.
>
> About a year ago I installed a remote clutch bleeder tube and I did not
> tighten the bleed nipple sufficiently. As a result, fluid leaked out and I
> need to bleed the air out of the clutch system.
>
>
>
> However, I was wondering, because it has been ten years since the
> hydraulic system was completely restored, if it would be wise to rebuild
> all of the cylinders in the brake and clutch system.
>
>
>
> Also, would it be wise to replace the front caliper flexible hoses and the
> flexible hose under the jumper seats. It should be noted that all three
> hoses do not seem to have hardened and there are not any other problems
> with the hydraulic system other than having to bleed the clutch line
> because of the air leak.
>
>
>
> What are your thoughts?
>
>
>
> John Spaur
>
> ’62 BT7
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