[Healeys] Rear Wheel Brake Cylinder

Tom Mitchell drtommitch at gmail.com
Mon Mar 15 17:51:06 MDT 2021


I've experienced water in my brake system, my first hint was that the
brakes were acting unevenly.
If fact scary, when I braked I would be in another lane.
The next hint was that the fluid in the reservoir was black.

I flushed the system, yet found that the rear cylinders were damaged and
the next year found that the calipers were damaged.
I then replaced everything, calipers, cylinders, hoses, fluid etc

On Mon, Mar 15, 2021 at 7:01 PM Henry G Leach via Healeys <
healeys at autox.team.net> wrote:

> The whitish beads are probably residue of red grease used to lubricate the
> boot area and fittings. The "rust" color is old brake fluid (probably
> originally Castrol Amber.) The clear liquid is hopefully good Castrol LMA
> brake fluid and not water. Clean and flush is a for sure. Brake fluid,
> being hydrophylic loves water intrusion.
>
> I am doing a series of articles about Healey brakes in upcoming issues of
> Austin-Healey Magazine which may/or may not be of interest to you. The
> second installment is about rebuilding the master cylinder, but the third
> is about rebuilding the booster canister. I think these items are all in a
> Healey owners future maintainence program. I could not believe the
> condition of my booster!  Hank
>
> -----------------------------------------
> From: "R. Lindsay via Healeys"
> To: "Healey List"
> Cc:
> Sent: Monday March 15 2021 12:08:57PM
> Subject: [Healeys] Rear Wheel Brake Cylinder
>
> Listers -
>
> The right rear cylinder on my 67 BJ8 has a small leak and I am going to
> replace it. When I removed it, I noticed several small whitish/clear
> “beads” on and around the unit.
>
> As I drained the fluid, I noticed, at the beginning, the fluid had rust in
> it. As it continued to flow, the liquid turned clear with the viscosity of
> water. Thereafter, it looked like clean fluid.
>
> 1. Does the fluid show any additional issues I should look into?
> 2. What do the small beads represent?
>
> I will flush the system before I refill the reservoir, bleed the brakes
> and get back on the road.
>
> Thank you in advance!!
>
> Price Lindsay
>
> Cell: 630-841-6300
> Email: 050.rpl at gmail.com
>
> Sent from my iPhone
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