What is going on with this is my clutch master cylinder bad? Listen for the air its clear as day.

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why not take a look from the other side(engine bay)..
is There any fluid in the master?..any signs of leakage?.
The Thing about Hydraulic clutches is that If one part goes the other one will go after it.So Best bet is to go out and spend 125 bucks(roughly) and get everything(Master,slave and Line).be done with it.

 

Cylinder is full of fluid no signs of leakage

 

Could be the push rod going into the master cylinder is leaking or theres a leak on the line. Looks like theres no pressure to push back the pedal since u pulled it up with you foot after a pumps. Try bleeding the clutch and see what happens. But id probably just invest in a new one. They arent that expensive.

 

First you need to bleed the system. Check for external leaks at the firewall, the slave and the line. Now if you have an internal leak then its time for a new one or rebuild it. An internal leak is caused by one or both of the cup seals not sealing against the bore of the MC. This can be caused by contamination, age or poor maintenance.

 

I bled the system with no improvment then I removed the rubber hydralic line and the master cylinder. I cleaned the cylinder out and a bunch of flakes came out of there this thing is old as hell and the hydralic line looks weather'd the slave unit is new. I also checked the spring on the clutch pedal its still in good shape. But I think I will be replacing some stuff now.

 

The problem is definitely related to the master cylinder. I would recommend rebuilding it if you can find a kit, its extremely easy.

 

Rebuilding isnt that hard. Unless your short on time then a rebuilt one is easier and usually comes with warrenty incase something happens.

 

I got a working clutch master, pulled it off a turbo parts car, rebuilt it and was planning on selling it to a friend but his system worked again after about an hour of bleeding. Go figure? PM me a reasonale offer and its yours. NA or turbo, interchangable.

*shameless plug for sales*

 

I took the master back off the car and completly tore it apart it was nasty in there all kinds of flakes and junk came out and the fluid was dark grey ewww anyway
Yeah I am gonna get a new master cylinder, Hydraulic hose and put it in there. Yeah won't be that hard rebuilt the engine so I would hope I could do this lol.

I swear this car just wants everything done its like well you rebuilt my engine and exhaust then it was fuel lines and brake lines replaced all those and just about anything else you could think of now I'm gonna let this break down so you can do that to lol fun fun.

 

If there was crap in the MC, you can be assured it's in the slave as well.
Replace both cylinders together.

 

Just did this, both master and slave, cost me $110 for both LuK replacements (not to keen on them), they perform fine, in the process i flushed the hardline and softline (both were fine), when reassembling I took some permatex thread sealant and applied to the fitting threads to assure a seal, ever since clutch has had no problems.

If the hardline looks weathered, then theres a good chance the softline will need replaced, so you might as well order a SS line, and a good hardline shouldn't be that hard to find, but I'm not sure on that.

 

Brake line fittings don't seal on the threads, they seal at the flare on the end of the line, so Permatex does nothing.

 

The hard line is still in great condition but the soft line is worn it will all be replaced.

 

I replaced all the hydraulics for the clutch everything is working great!