THSCC Forums

After inspection, my master cylinder is leaking. Fortunately this is not a pressing issue, but I've been told that the slave cylinder should be replaced in unison with the master. My thinking is that the slave cylinder is working fine despite the leaky master; why would a new master cylinder put anymore strain on it?

Any thoughts?
-Matt

Just like any strain issue, the new master will pump with greater ease, thus putting more pressure in the system. Then the new weak link comes downstream: either slave cylinder, rubber brake lines, or bad bleeder screw. The lines are less likely with a car of your age, but slave cylinders aren't expensive to replace (relatively). - AB

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'14 Toyota Sequoia Platinum 4WD
Super Westerfield Bros - '93 Integra - LeChump Du Jour
STX 93 - Scion FR-S

Slave cylinders tend to develop leaks much more frequently than master cylinders do. They have a smaller piston that travels considerably further with each use so puts more wear on it.

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SPIN or WIN!
there's no glory for going slow.

I think leaky master cylinders are a common problem with 3rd generation Integras. I replaced one on my GSR, on my brother's LS, and I think Jim Williams replaced his on his GSR. However, I didn't have to replace the slave on mine or my brother's car. I would recommend replacing the master cylinder only (and bleed the system) initially. If there are no more problems, I wouldn't worry about the slave.

The slave is fairly easy to access if you need to change it later. It is located on the front of the transaxle, near the exhaust manifold.

Does this mean your clutch is not broken?

Actually the clutch is indeed toast. I bled it and nothing changed. I'm 99% sure one of the springs on the disk went (again). I had the same problem on my '00 ITR.

I just dropped it off at the shop, but when I get it back I'll replace the master cylinder only for now. Seems fairly easy.

-Matt

p.s. My Hoosiers came in yesterday- YUMMY!