making a non ajustable hyd clutch ajustable? work or no?

[steveo3002]

ive got a car that has a hydraulic clutch with no ajustable parts, it bites a bit lower than i would like ive replaced the master and slave in an effort to sort this

would there be any reason i cant cut the master push rod and thread it then fit the ends into a stud joiner so i can alter the rod a few mm ?

just cant get my head round how i would suss if the clutch is fully released with the pedal up

any ideas or thoughts

[goldnrust]

Certainly all the cars I've had with hydraulic clutches have a threaded rod and lock nut behind the pedal, to allow adjustment similar to your idea.

If you do exend the push rod you will need to make sure that when the pedal is released that the master cylinder can return all the way to the top of it's travel, so make sure there's a few mm of slop in the pedal between it hitting it's stops, and when it starts pushing on the push rod and you should be ok. I believe if the master cylinder doesn't return all the way, then the self adjusting mechanism might not work properly.

[steveo3002]

cheers - that makes sense

thinking about it i think the pedal uses the m/c as its stop , with it unhooked it raises up much higher , i guess i need to make an ajustable stop too?

[composimmonite]

There is something wrong. All you will be doing is hiding the problem. Best to sort it out properly. Could be release bearing is collapsing. Split engine and gearbox to check where the problem lies as you have already eliminated the hydraulics.

[bmw2101]

As comp said above,

but also, if you lengthen the rod all it will do is make the pedal in a different place. The stroke you use will be the same.

If as comp said its not a mechanical problem, the other better way is to decrease the size of the slave..


Watch out also when you are playing about with all of this, you don't then make the slave come out too much and push into the clutch too much.


OR

What car is it and what have you done so far?

[steveo3002]

lhd mk2 golf g60

ive fitted new slave , master , hose and bled it alot

i get what youre saying about it shouldnt need it and I'm masking some other issue , but with all the parts involved it could be a couple of mm diffrant no? why would some cars have the ajustment ? maybe vw are just cheap lol

what I'm planning to look for is when i have the pedal in the carpet , I'm gona pull the m/c rod and see if its at the end of its travel , if it is then yeah no point , but if theres still travel when the pedal is on the floor wouldnt it make sense to alter something so that i get the full travel of the master?

[ChasR]

How did you bleed the master cylinder? Did you put up a thread about this before?

[steveo3002]

yeah ive asked previously when i was hoping it was air in the system

ive pressure bled it , reverse bled with a syringe , then tried it with the slave tied up high etc , I'm pretty sure its bled as its the same everytime