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Discussion Starter #1
Firstly, this is the current problem I have:

clutch pedal bite point is constantly changing, from middle of the pedals travel, to right at the bottom. when pressing the clutch the pedal can go nearly half way without any pressure at all (feels like it not connected to anything).If I pump the clutch a few times, the bite point seems to return to normal for a short time.

It seems to me that one of the clutch cylinders (either slave or master) is faulty.
Does anyone have any ideas what could be causing this, or anything I can check myself?
Are the slaver/master cylinders difficult to get to/change?


Secondly, the clutch, master and slave cylinders are only about 18 months old.

I had my clutch replaced about 18 months ago now as the clutch was slipping, but also the pedal wasn't right, clutch bite point had suddenly moved right to the last few MM of pedal travel, which by the time I got it to the garage wasn't working at all making it impossible to change gear.

I asked the garage to fit a new clutch, and to look at the issue with the pedal (I told them I suspected to master or slave cylinder)

They had the car for a fair few days then told me they had replaced clutch and one of the cylinders but there was still an issue with the clutch pedal and they think they needs to change the other cylinder too. which they then did.

I eventually got the car back with my wallet ~£900 lighter. Apart from still having a heavy clutch (which I was told a replacement clutch would sort) it worked okay, no slippage of the clutch and bite point was about half way through the pedal travel.

Now for the problem:

After what I thought was 6 months or so, I got in my car one cold morning to find the bite point was right at the end of the clutch pedals travel again. So far down that it wasn't fully disengaging the clutch when trying to changing gear.

I took the car to the same garage as soon as I could (was a little later in the day). On the way while stuck in traffic the clutch bite started to return to normal. By the time I got to the garage it was more or less okay again.
I left the car at the garage while they had a look (which they told me would be sorted under parts warranty). Later that day the garage called and told me they cannot find the fault as the clutch seems normal. He advised that I should continue to drive it, but return the car to the with the fault if it happens again.

Well guess what, I have the same problem now.

I took the car back to them, but now they are telling me it is out of warranty and they would be charging me.
More so, they said it was out of warranty when I took it to them last time. I did question why I hadn't been charged for them looking at the car at that point so the guy to say "it was a gesture of good will"


Any advise is greatly appreciated!
 

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Have you tried bleeding the clutch, mine had the same symptoms and turned out to be the master cylinder, but it was full of air too
 

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Discussion Starter #5

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Sorry 1.9JTD




:thumbs:



No, haven't tried to bleed it. How easy is it to do?
Did you change the master cylinders yourself or a garage do it? If you did it, how easy was it to do? If not, what did it cost?

Cheers.
going by your questions i would entrust work to a specialist:thumbs:
bleeding master cylinder is easy if you know hard if you dont :thumbs:
 

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Discussion Starter #7
going by your questions i would entrust work to a specialist:thumbs:
bleeding master cylinder is easy if you know hard if you dont :thumbs:
I'm reasonably handy with a spanner,

Always do breaks, suspension, general servicing etc myself, all things I've picked up along the way. I've never needed to work on a clutch system myself hence I'm asking for a little guidance.

If it's 'easy if you know' perhaps you wouldn't mind sharing that knowledge?


thanks.
 

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I'm reasonably handy with a spanner,

Always do breaks, suspension, general servicing etc myself, all things I've picked up along the way. I've never needed to work on a clutch system myself hence I'm asking for a little guidance.

If it's 'easy if you know' perhaps you wouldn't mind sharing that knowledge?


thanks.
same operatoin as bleeding brakes :thumbs: jus when you have finished you aint got a firm pedal
 

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Can't say for sure on GT, as i did my 147, but i gather they're similar. Try looking at the top of the gearbox where the flexi hose joins, pull up the retaining clip until you can remove the flexi hose partially, then fluid will start to come from the bleed nipple in front of it, gravity should do the trick, not always neccessary to pump the pedal
 

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Discussion Starter #11
Can't say for sure on GT, as i did my 147, but i gather they're similar. Try looking at the top of the gearbox where the flexi hose joins, pull up the retaining clip until you can remove the flexi hose partially, then fluid will start to come from the bleed nipple in front of it, gravity should do the trick, not always neccessary to pump the pedal
Thanks! I'll see if I get chance to do this tomorrow.
 

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Can't say for sure on GT, as i did my 147, but i gather they're similar. Try looking at the top of the gearbox where the flexi hose joins, pull up the retaining clip until you can remove the flexi hose partially, then fluid will start to come from the bleed nipple in front of it, gravity should do the trick, not always neccessary to pump the pedal
WRONG it is necessary to pump pedal otherwise air will just rise to top:rolleyes: .........YOU NEED TO FORCE AIR OUT
 

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Discussion Starter #14

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A helpful post, that's better... :)


Other forum posts contradict this though - granted not on a GT but shouldn't be too different:
http://www.alfaowner.com/Forum/3728121-post5.html

from:
http://www.alfaowner.com/Forum/alfa-147-156-and-gt/246374-how-to-bleed-alfa-147-1-6-lusso-clutch.html#post3728121
regards bleeding im talking from experience cars motorcycles industrial hydraulics :thumbs: and as this is the internet anyones advice is right or wrong...... so you can take your choice as in what to believe :thumbs:

ps read my 3 rd post
 

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When I do brakes, I use a pedal, or pressurised bleeding, just so happened I haven't got an adaptor for the Alfa, I saw numerous posts on gravity method, just happened to work for me, plus it's always helpful to have an accomplice
 

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When I do brakes, I use a pedal, or pressurised bleeding, just so happened I haven't got an adaptor for the Alfa, I saw numerous posts on gravity method, just happened to work for me, plus it's always helpful to have an accomplice
i use 1 metre long clear tube into a jar on cars/ bikes and never have problem .my daughter from age of 9 is dab hand at car pedal and shes 17 now :cheese:
 

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Discussion Starter #19
regards bleeding im talking from experience cars motorcycles industrial hydraulics :thumbs: and as this is the internet anyones advice is right or wrong...... so you can take your choice as in what to believe :thumbs:

ps read my 3 rd post
I will try the gravity method, if this doesn't work I'll change tack ;)

3rd post? sorry, not following, what did I miss?
 

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I will try the gravity method, if this doesn't work I'll change tack ;)

3rd post? sorry, not following, what did I miss?
i put DMF in post 5 and post 15 . auto lusso ..backed my thoughts up .....fly wheel issue DMF i hope its not your issue mind :(

another OP had same issue nots so long back and it was flywheel problem im sure it was autolusso bournemouth who fixed his
 
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