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| 2011 GV clutch problems https://auszookers.com/forum/viewtopic.php?f=37&t=54902 |
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| Author: | Mossman [ Sun Dec 31, 2017 6:07 pm ] |
| Post subject: | 2011 GV clutch problems |
Hey Folks I’ve a 2011 GV sport that’s having clutch problems. I pressed the pedal the other day and it sank completely to the floor. 20 -30 pumps later it was back up but would fade fast. Fluid in the reservoir had dropped as well but not to the point of empty So far I have flushed the clutch hydraulics of old filthy fluid, checked for leaks from the master cylinder and piping, replaced the o-ring on the bleeder valve of the slave cylinder external of the bell housing (because I could see small bubbles coming from it while it was locked off). After all that I flushed and bled the lines and was finally getting clear fluid however the clutch quickly faded again on a test drive. I bled the line again only to have the fluid come out milky and it looked like it had heaps of tiny air bubbles in it. So before I decide to bleed the lines again, has anyone here got an insight of what may be the cause? Cheers & Happy New Year Rob |
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| Author: | fordem [ Sun Dec 31, 2017 9:36 pm ] |
| Post subject: | Re: 2011 GV clutch problems |
Mossman wrote: I pressed the pedal the other day and it sank completely to the floor. 20 -30 pumps later it was back up but would fade fast. Fluid in the reservoir had dropped as well but not to the point of empty My suspicion - based entirely on the paragraph above - is that you have a defective clutch master cylinder - a leak anywhere else large enough to cause the symptoms you describe will also cause fluid loss and the clutch will not "pump back up" - fluid is leaking internally between the chambers in the master cylinder (it has two sections separated by one of the rubber seals on the piston). |
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| Author: | Mossman [ Sun Dec 31, 2017 10:25 pm ] |
| Post subject: | Re: 2011 GV clutch problems |
Thanks Fordem, that’s easier to change out than the slave. I’ll give it an eyeball in the morning Cheers |
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| Author: | Mossman [ Tue Jan 02, 2018 4:18 pm ] |
| Post subject: | Re: 2011 GV clutch problems |
So, after checking the master cylinder out, turns out there is a hairline crack at the front of the reservoir... |
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