Getting back into it s2 brakes

[Dark61]

Thanks to Wrinklearthur and other members , I have decided to revisit the s2 mash up. (S2 chassis/2a body and Holden Red) whilst my various ailments subside a little giving me an opportunity to lay in some wet gravel with the wrong spanner and teach myself about brakes.
Is it generally accepted that you can’t bring a seized brake cylinder back to useful life if it has taken , hammer, vice, copious amounts of diesel, screwdriver and blowtorch to dismantle? This is for a s2 that will only drive on my property, not on the road, but it would be nice to have a footbrake for a change.
All comments / advice gratefully received as usual.
cheers,
D

[Tins]

Is it generally accepted that you can’t bring a seized brake cylinder back to useful life if it has taken , hammer, vice, copious amounts of diesel, screwdriver and blowtorch to dismantle? This is for a s2 that will only drive on my property, not on the road, but it would be nice to have a footbrake for a change.
All comments / advice gratefully received as usual.
cheers,
D

Nah. Bit of a clean up with some wet and dry, and maybe a hone if it's pitted, some new cups and outer seals and it will be fine. Even the Army used to repair wheel cylinders like that one.

I wouldn't recommend this for a road car though, although I've done the same in the past. seen 'em worse than that one. Dunno where you'll get the cups though.

[gromit]

Thanks to Wrinklearthur and other members , I have decided to revisit the s2 mash up. (S2 chassis/2a body and Holden Red) whilst my various ailments subside a little giving me an opportunity to lay in some wet gravel with the wrong spanner and teach myself about brakes.
Is it generally accepted that you can’t bring a seized brake cylinder back to useful life if it has taken , hammer, vice, copious amounts of diesel, screwdriver and blowtorch to dismantle? This is for a s2 that will only drive on my property, not on the road, but it would be nice to have a footbrake for a change.
All comments / advice gratefully received as usual.
cheers,
D

Agree with johntins, hone or some wet & dry in a forked stick in an electric drill. If it's not pitted and you don't remove too much material then continue.....

Clean up the pistons and neutralise the rust (phosphoric acid, Penetrol or similar). Standard repair kit, possibly comes with cups and seals that fit into a groove (they changed at some point so some kits include both). Re-assemble with some red rubber grease.


Colin

[Tins]

Re-assemble with some red rubber grease.


Colin

X2

[ian4002000]

A set of brakes and cylinders will cost very little from Paddock in England. They also have rubbers for the wheel cylinders very cheap if needed.

Ian
Bittern

[JohnboyLandy]

Two out the four Britpart wheel cylinders I bought from Paddocks were faulty. One wouldn't seal the bleed valve completely, the other just spewed brakefuid past the piston on to the garage floor.

I told paddocks in no uncertain terms that I was not happy with the quality of their product, and that they were risking peoples lives with this crap - they didn't reply.

Any good brake shop that has been around for a while will likely have the correct wheel cylinders on the shelf.

Cheers,
John

[JDNSW]

As above - wheel cylinders can usually be repaired, but new cylinders are readily available, perhaps even more readily than the seals, and not all that expensive.

[1950landy]

These days it is usually cheaper to buy new than resleeve.

[Johnno1969]

Is it just me, or does one of those wheel cylinders look like it has a split in it (as if the brake shoe had worn/cut into it)?

[ian4002000]

Is it just me, or does one of those wheel cylinders look like it has a split in it (as if the brake shoe had worn/cut into it)?

Good pick up yes its split !

Ian
Bittern