Just let out some pressure from the bleed nipple on the slave cylinder. No dice, still jammed
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| Clutch Problems https://www.ausmini.com/forums/viewtopic.php?f=2&t=83166 |
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| Author: | 3DJ [ Sat Oct 19, 2013 4:00 pm ] |
| Post subject: | Clutch Problems |
Hey all, looking for some help in diagnosing my clutch problem so i don't end up ordering and changing parts i dont need to. Symptoms: 1. Clutch permanently engaged (can move freely between gears when engine is running) 2. Clutch arm looks to be enraged as per symptom 1 2. Pedal is rock hard So, i am thinking slave cylinder??? |
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| Author: | 3DJ [ Sat Oct 19, 2013 4:25 pm ] |
| Post subject: | Re: Clutch Problems |
Just let out some pressure from the bleed nipple on the slave cylinder. No dice, still jammed
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| Author: | Irish Yobbo [ Sat Oct 19, 2013 7:41 pm ] |
| Post subject: | Re: Clutch Problems |
When you say the pedal is rock hard, do you mean you can't move it at all? If you pull back the rubber boot on the slave cylinder, how far away is the plunger from the end of the bore? There is a circlip that prevents the plunger from pushing all the way out. Does it move when the pedal is pushed? If it's up against the circlip, you'll need to get a longer pushrod or put a spacer in there. If there's a gap but the pedal doesn't move, I'd suspect the rubber hose. They can expand in the middle and restrict fluid flow. |
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| Author: | Morris 1100 [ Sat Oct 19, 2013 8:35 pm ] |
| Post subject: | Re: Clutch Problems |
Hose. |
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| Author: | 3DJ [ Sun Oct 20, 2013 9:26 am ] |
| Post subject: | Re: Clutch Problems |
Hose?? Well it looked like the original one. Would that explain both symptoms? Sent from my Lumia 800 using Tapatalk |
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| Author: | 3DJ [ Sun Oct 20, 2013 9:26 am ] |
| Post subject: | Re: Clutch Problems |
Hose?? Well it looked like the original one. Would that explain both symptoms? Sent from my Lumia 800 using Tapatalk |
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| Author: | drmini in aust [ Sun Oct 20, 2013 9:28 am ] |
| Post subject: | Re: Clutch Problems |
Morris 1100 wrote: Hose. The hose swells shut with age and then acts as a check valve. If it ain't been replaced in living memory, I'd fit a new one, they are cheap. |
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| Author: | boomini [ Sun Oct 20, 2013 10:31 am ] |
| Post subject: | Re: Clutch Problems |
Hey guys. Just my thoughts on this problem. Im thinking maybe the clutch fork had pushed out of the hole in the release bearing holder. If it was a hose the pedal would be spongy as the hose would swell under pressure. Just pull the clutch cover of and check if the clutch fork snd release bearing move freely. Rodney |
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| Author: | 3DJ [ Sun Oct 20, 2013 12:02 pm ] |
| Post subject: | Re: Clutch Problems |
boomini wrote: Hey guys.
Just my thoughts on this problem. Im thinking maybe the clutch fork had pushed out of the hole in the release bearing holder. If it was a hose the pedal would be spongy as the hose would swell under pressure. Just pull the clutch cover of and check if the clutch fork snd release bearing move freely. Rodney Sounds like you might be on the right track. When I said the pedal was rock hard that's exactly what I meant. It has no give at all and just doesn't feel like a blocked hose which would have a slight spongey feel. Can you pleas clarify 'clutch fork' is it the push rod out of the slave or the push rod into the master cylinder? Sent from my Lumia 800 using Tapatalk |
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| Author: | Morris 1100 [ Sun Oct 20, 2013 12:06 pm ] |
| Post subject: | Re: Clutch Problems |
boomini wrote: ...If it was a hose the pedal would be spongy as the hose would swell under pressure. No, the inner layer of the hose swells shut and the outer layers are still fine. I have dissected a hose after it has done it. |
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| Author: | 3DJ [ Sun Oct 20, 2013 12:07 pm ] |
| Post subject: | Re: Clutch Problems |
drmini in aust wrote: Morris 1100 wrote: Hose. The hose swells shut with age and then acts as a check valve. If it ain't been replaced in living memory, I'd fit a new one, they are cheap. Thanks DrMini, I am not quite sold that it is the hose but while I am mucking around down there I might as well replace it. Its tight in there, any tricks you could advise for this job? Sent from my Lumia 800 using Tapatalk |
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| Author: | Morris 1100 [ Sun Oct 20, 2013 12:12 pm ] |
| Post subject: | Re: Clutch Problems |
My Cooper S had a rock hard pedal when it did it. Think about it, the clutch is already down, the fluid won't return and the pedal comes up for a second bite, where is the next lot of fluid going to go? |
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| Author: | boomini [ Sun Oct 20, 2013 12:13 pm ] |
| Post subject: | Re: Clutch Problems |
Sorry I meant the plunger on the clutch housing. The clutch lever pivots on the clutch housing on has a ball on the end that locates in the plunger. |
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| Author: | slacko [ Sun Oct 20, 2013 2:47 pm ] |
| Post subject: | Re: Clutch Problems |
check that the stop nuts on the bearing carrier are not touching the clutch cover eg , stopping the carrier from going in Mark |
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| Author: | Babes [ Sun Oct 20, 2013 4:45 pm ] |
| Post subject: | Re: Clutch Problems |
Rock hard pedal generally hose. Replace that, easily done then if its not fixed look at other options. |
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