Guys,
i have once more experience the very very unusual case of my clutch pedal suddenly being sucked completely to the floor, rendering the car undrivable.
for the avoidance of doubt:
- car is stock apart from headers, intake and corsa
- car has never been drag launched
- car is tracked, but maybe 10%/90% track/street use
- i have checked and replaced the clutch fluid. in every case, it was clean/none of the signs of contamination
to be more precise of the problem:
1) car sitting in traffic, idling normally
2) clutch in to get into first gear
3) clutch pedal suddenly SUCKED straight to the floor seemingly by invisible hand, and it just stays there
4) you can pull the pedal back with your hand or foot, and it springs back into place, but any pressure on the pedal and it is once more sucked strongly back
5) car therefore can't be put into gear
this is NOT a case of the pedal going spongy or soft. it is an on/off situation. once the pedal has been sucked in, that's it. it stays that way. there is also no sign of the problem before it happens; no slowly changing pedal feel. everything is fine, then whoops! it happens.
this has happened to me twice. once at about 6k miles, and again now at about 10k miles. car was one of the first C6 Z06's.
no dealer support in my country, and only two Z06's here, including mine.
it was an easy fix for the shop-- they said something about the rubber boot of the clutch master/actuator "inverting" or going "inside out", resulting in total loss of pressure. so the pedal being sucked in is i think the helper spring of the pedal taking over. the shop just reversed the boot/actuator or whatever it was, and it was ok again.
since that first time it happend over a year ago, i have tracked the car, run it hard to over 160mph and driven it the way it was meant to be driven on many occasions. we (me and my mechanic) thought it was a fluke, but it happened again yesterday.
at the time it happend, i checked the fluid and it was clear/clean. changed it anyway to be sure.
looking back, there were two common conditions at the time of the problem:
1) very very hot summer day-- it is about 97-98 degrees here now;
2) car idling for a very long time at standstill
3) car not driven hard during this period
i'm guessing but maybe its some kind of heat soak or pressure build-up issue? strange that during those times i was tracking the car and driving it hard, it never came up. but on these two instances, with the car sitting in the hot sun idling for a long time, upon slowly finally moving off, the problem showed up.
so is there any kind of uprated clutch master for our cars?
thanks in advance!
i have once more experience the very very unusual case of my clutch pedal suddenly being sucked completely to the floor, rendering the car undrivable.
for the avoidance of doubt:
- car is stock apart from headers, intake and corsa
- car has never been drag launched
- car is tracked, but maybe 10%/90% track/street use
- i have checked and replaced the clutch fluid. in every case, it was clean/none of the signs of contamination
to be more precise of the problem:
1) car sitting in traffic, idling normally
2) clutch in to get into first gear
3) clutch pedal suddenly SUCKED straight to the floor seemingly by invisible hand, and it just stays there
4) you can pull the pedal back with your hand or foot, and it springs back into place, but any pressure on the pedal and it is once more sucked strongly back
5) car therefore can't be put into gear
this is NOT a case of the pedal going spongy or soft. it is an on/off situation. once the pedal has been sucked in, that's it. it stays that way. there is also no sign of the problem before it happens; no slowly changing pedal feel. everything is fine, then whoops! it happens.
this has happened to me twice. once at about 6k miles, and again now at about 10k miles. car was one of the first C6 Z06's.
no dealer support in my country, and only two Z06's here, including mine.
it was an easy fix for the shop-- they said something about the rubber boot of the clutch master/actuator "inverting" or going "inside out", resulting in total loss of pressure. so the pedal being sucked in is i think the helper spring of the pedal taking over. the shop just reversed the boot/actuator or whatever it was, and it was ok again.
since that first time it happend over a year ago, i have tracked the car, run it hard to over 160mph and driven it the way it was meant to be driven on many occasions. we (me and my mechanic) thought it was a fluke, but it happened again yesterday.
at the time it happend, i checked the fluid and it was clear/clean. changed it anyway to be sure.
looking back, there were two common conditions at the time of the problem:
1) very very hot summer day-- it is about 97-98 degrees here now;
2) car idling for a very long time at standstill
3) car not driven hard during this period
i'm guessing but maybe its some kind of heat soak or pressure build-up issue? strange that during those times i was tracking the car and driving it hard, it never came up. but on these two instances, with the car sitting in the hot sun idling for a long time, upon slowly finally moving off, the problem showed up.
so is there any kind of uprated clutch master for our cars?
thanks in advance!