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Old 01-27-2004, 06:16 PM   #1
Aspen
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Default Anyone have COMPLETE listing of parts for hydro clutch conversion?

Just wondering if anyone can provide a COMPLETE listing of parts that I'll need for a cable to hydro clutch conversion. I just want to double check and make sure I'm not missing anything.

Things I can think off the top of my head:

Pedal assembly
hoses/lines
master cylinder
slave cylinder
associated brackets

anything else?
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Old 01-27-2004, 07:14 PM   #2
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You will need the nuts to attach the clutch master to the pedal assembly studs.

There is also an extra bolt hole underneath the steering wheel that gets used by the hydro pedal assembly. It is the same as the other two that will already be there.

The only bracket I can think of is the one that attaches the clutch master to the firewall. It also requires a single bolt to attach.

The clutch slave cylinder will need the bolts to attach to the transmission. I doubt they are present on the transmission itself. There is also a little stiff spring that assists the clutch slave in some unknown way.

There is a grommet location underneath the clutch pedal (or there abouts) that will be empty once you remove the clutch cable. You will need to order one for an RS through your Subaru dealership. Not needed for completion though.

Don't forget the break fluid. You will have to bleed out the system.

Finally, you will need a hydraulic clutch fork in addition to all this. Gotta seperate the transmission from the block to get to it.

Here is a thread that wac did: http://forums.nasioc.com/forums/show...ghlight=clutch

I swapped my transmission at the same time so it wasn't quite the same as the procedure you are attempting or wac has already completed.

-Jon
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Old 01-27-2004, 08:00 PM   #3
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Why not keep the cable?
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Old 01-27-2004, 09:02 PM   #4
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And when you swap out clutch forks you will have to move the pivot bolt from the lower hole to the higher hole. Are you buying the whole pedalbox assembaly used or trying to piece one together? if you can find an assembled one and buy the whole thing, do that. From a dealer new all the pieces you need to make the assembaly will drive you broke.
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Old 01-27-2004, 09:24 PM   #5
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Keep the cable I say! Save the weight
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Old 01-27-2004, 09:47 PM   #6
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sorry to thread jack but should a 2000 rs tranny already have a hydraulic clutch fork??
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Old 01-27-2004, 10:47 PM   #7
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if its supposed to come with one, and its from a 2.5 liter car, yes.

Kost- Ive still got my cable!
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Old 01-28-2004, 01:08 AM   #8
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Thanks guys.

I am planning on buying a used setup and want to make sure I get all the parts. I've learned my lesson before and want to make sure I'm getting everything so that I can avoid being nickel and dimed to death by the stealership for some little misc. parts here and there.

As for the conversion, I want to do the hydro now in anticipation of my STI tranny later down the line. Also, have you tried driving in Chicago rush hour traffic with ACT clutch on cable system? Not very good on the left calf muscle.

R1cers carry fire extinguishers in their cars, I carry the Motrin and Ben Gay for my left calf muscle.
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Old 01-28-2004, 03:25 AM   #9
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LOL! Makes sense

Mmm, STI tranny....
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Old 01-29-2004, 03:54 PM   #10
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ru doing turbo hydro converison or NA hydro conversion??
ive never done NA hydro conversion.

i went for FWD cable --> AWD hydro all at once. my list:

1. trans +diff +linkage+ etc
2. trans H brace and mount - get diagram at parts counter. mother bundle of bits
3. pedal box assembly from 99 gc8 RS (used 93L gas pedal)
4. clutch MC from 94 JDM sti (shaft shortened 2.25 inches)
5. clutch slave cylinder (turbo and NA is differnt)
6. lines: hard line +soft line (or custom SS line ~ 16 inches needed - cheaper than buying other 2 new)
7. pull clutch fork
8. pull clutch fork pivot pin +lock nut thingy
9. rubber boot for clutch fork
10. spring thingy to keep tension on fork
11. complete clutch assembly
12. mother bundle stash of bolts / pins
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Old 01-29-2004, 11:01 PM   #11
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I'm going to do a hydro for my push type clutch tranny(non turbo) first and eventually move up to a STI tranny.

Now that I think of it, I might have thrown out the original clutch fork that came with my '98 hydro clutch tranny. Doh!!!

Anyone have a spare hydro clutch fork or can you post a pic of the fork area where the cylinder pushes on? It's been so long since I've touched that area so I'm unsure which fork I currently have on there.

Thanks.
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Old 01-30-2004, 01:22 PM   #12
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My cable feels better than my friends RS's hydro...same power ratings for each clutch too...
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Old 01-30-2004, 05:50 PM   #13
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Quote:
My cable feels better than my friends RS's hydro...same power ratings for each clutch too...
I know what you mean by "feel". I can actually feel the nuances of letting off the clutch pedal and being able to more precisely determine when the clutch disc is coming off the pressure plate with my cable setup. When I had my WRX, the hydro clutch didn't give this kind of feedback. But "feel" is different than comfort and I would be willing to trade some of that "feel" for some comfort.


I'm not sure what you mean by power ratings but a pull type clutch can usually hold more torque than the typical push type, unless you get some really fancy multiplate or puck type clutch setup for the push type systems.
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Old 01-30-2004, 10:41 PM   #14
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wait... so I will be actually losing 'feel' when I put in my RS AWD??? Damn.. if so, ARGHH!! plus I just bought an Exedy LW flywheel for my conversion. Will hydro help save my clutch at least?
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Old 01-31-2004, 03:54 AM   #15
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well, you will not be loosing anything going to LW flywheel. you will enjoy that greatly. as far as feel, with a heavy clutch you will have to deal with it, cable does have better feel. i went from FWD cable to AWD exedy turbo clutch. quite a differance, leg was sore for a week :P

h
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