'05 WRX Clutch Slave and/or Master Cylinders into SS?

shemoves · Post by **shemoves** » Mon Oct 29, 2007 3:35 am

Will an '05 WRX Clutch Slave cylinder work with a '92 SS Master Cylinder?

Story: My '92 SS is getting an '05 WRX transmission (and other needed parts). We found that we could not bolt up the stock Clutch Slave Cylinder. My question is, can I just get the Clutch Slave Cylinder from and '05 WRX and bolt that up, or do I also need the Master Cylinder, or will none of that work at all?

AWD_addict · Post by **AWD_addict** » Mon Oct 29, 2007 3:58 am

Match the slave and master cylinder bore sizes as they were originally. If both cars use the same diameter cylinders, you can mix and match. Otherwise using a different combination will change the pedal effort.

I don't know if the hydro line hardware is compatible.

shemoves · Post by **shemoves** » Mon Oct 29, 2007 4:14 am

Do you think if I were to just get both from a WRX that they would bolt onto the Legacy?

IronMonkeyL255 · Post by **IronMonkeyL255** » Mon Oct 29, 2007 6:29 am

Should bolt right up.

Just FYI, I just put an '06 tranny with '06 slave cylinder bolted to '91 master cylinder, and everything works beautifully.

Subarus are like Legos, which just happened to be my favorite toy when I was a kid.

shemoves · Post by **shemoves** » Mon Oct 29, 2007 7:56 am

IronMonkeyL255 wrote:Should bolt right up.

Just FYI, I just put an '06 tranny with '06 slave cylinder bolted to '91 master cylinder, and everything works beautifully.

Subarus are like Legos, which just happened to be my favorite toy when I was a kid.

Well put. That's one of the reasons I dig them. I still play with Legos on occasion, but I've got an 11-year-old brother I can use an excuse.

If the '06 and the '91 mixed, I'd imagine the '05 and '92 would also.

IronMonkeyL255 · Post by **IronMonkeyL255** » Mon Oct 29, 2007 6:24 pm

Can't hurt to try.

I already had a braided SS hose which I could switch around the ends on, so I had to change a fitting or two, but the clutch pedal effort actually feels better than when I had all SS parts in the car.

93Leg-c · Post by **93Leg-c** » Mon Oct 29, 2007 7:47 pm

IronM, what do you mean by the clutch pedal effort is better--smoother, softer, or ???

IronMonkeyL255 · Post by **IronMonkeyL255** » Thu Nov 01, 2007 7:22 am

It's a bit softer (though not really soft) and the engagement point is more in the middle instead of at the very top like it was. Also, it seems to engage more smoothly, though that may just be a result of the engagement point and pedal effort changing......

93Leg-c · Post by **93Leg-c** » Thu Nov 01, 2007 9:03 am

Good to know that. Thanks!

shemoves · Post by **shemoves** » Thu Nov 22, 2007 6:10 am

Need help quick...The SS has an intermediate section (along the clutch hydro line, before it gets to the slave cylinder) that the WRX does not normally. It's attached to a fairly large rectangular bracket with rubber bushings. Do I need this piece or can I just remove it from the system?

AWD_addict · Post by **AWD_addict** » Sun Nov 25, 2007 1:36 am

remove it

IronMonkeyL255 · Post by **IronMonkeyL255** » Sun Nov 25, 2007 2:10 am

I removed it.

Interestingly enough, I can't even seem to find anything about this unit in the FSM.....

Post by **Legacy777** » Wed Nov 28, 2007 7:40 pm

It's a damper unit. I did not install it when I did my swap, and no I haven't been able to find any info about it either.

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'05 WRX Clutch Slave and/or Master Cylinders into SS?

'05 WRX Clutch Slave and/or Master Cylinders into SS?