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Brake Drum Cylinder Change

Mod Description
If you own a smart for more than a few years, it will fail an MOT for either damaged ball joints, leaking shock absorbers or leaking rear brake pistons. Here is how to change the last of those 3.
Mod Details
PremiumYes Difficulty Mod ID950 Creditevilution For450 Fortwo451 Fortwo452 Roadster Linkhttps://www.evilution.co.uk/mod/brake-drum-cylinder-change.htm Copy to Clipboard

Leaking brake slave cylinders are a common cause of MOT fails on older smarts.
Changing it for a new cylinder can be daunting but it's OK when you see the procedure.

Identifying The Slave Cylinder

The rear brake slave cylinder sits under the brake drums at the top of the hub.

And here it is with all the braking components out of the way.

Other sites waste your time making you remove the brake shoes. This isn't necessary when you know the trick.

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