Slobalt7

So Since I have had my 88 Rx7 SE I have put a whopping 40 miles on it. I have also had the clutch go out on me 5 times and I am at a loss...

Some background: I bought the Rx7 from a junkyard, it had been sitting since 08. Clutch was on the floor(understandably) no fluid was in the clutch reservoir, towed it home, left it sitting for a while because I lost my job. Just after Haloween a friend of mine and I tinkered with her and started her up. While she was idling we bled the clutch. Although soft it gave me a clutch.

Now: Worked out great for a few weeks of daily start-ups and drives around the neighborhood. Then it went out again, I dismissed it as potential air in the line. A few days later again, this time I knew there was no air and there is no fluid anywhere, then every few days to a week after the last bleeding the clutch will go out... I am at a loss... The most puzzling thing is that there is no noticable difference in fluid level (unless bleeding).

Can someone give me an idea what may be happening?

monkey1911

Replace the clutch slave.

mrstoks

+1
Seals in the clutch slave.
Just wondering, Can the seals just be replaced or have to change out whole unit?

Slobalt7

Not to second guess but how sure are you it is the slave? All the ones I have seen go out(a few Hondas and a few 240sx's) get fluid leaking on stuff...

Edit: Just looked up the slave from advanced. Would this one do for a occasionally street driven someday track car?

rxtasy3

iTrader: (2)

pull the boot back on the slave and see if there's fluid in it. moisture is an enemy of the hydraulic system, both clutch and brakes. moisture causes rust pitting of the slave and master cylinder inner walls. this along with worn piston seals allow the fluid to leak past them. replace both master and slave cylinders along with the flex hose and flush the hard line. u can cheap out and use a rebuild kit but u must inspect the cylinders and hone them if the pitting isn't too bad. i usually just replace them. so u have 2 choices, half-*** it and have to do it again a yr or so down the road, or do it right the first time and be done with it.

RotaryEvolution

iTrader: (30)

you guys mean master cylinder.

the slave can only leak, not bypass. if it is not losing fluid, master cylinder.

usually once it starts to bypass it also starts to leak, but not always.

yes, you can rebuild them. the kit is a whopping $8, or a reman unit is a whopping $32, take your pick.

Belntay_type-m

^Yep, should be a simple fix.

edgars95rx7

iTrader: (5)

Good info

Bri 85 RX7

do it all! clutch kit, bearings, fly wheel, cables, or master ect!

DreamInRotary

iTrader: (49)

At least do the master cyl and slave cyl to start, if that fails do it all.

misterstyx69

iTrader: (142)

Cables?