Clutch peddle went to the floor

Tiny
ERIK93GT
  • MEMBER
  • 1993 MITSUBISHI 3000GT
  • 152,500 MILES
I put my car in storage a few months ago, I just went there to check on it n I pushed my clutch down and it went straight to the floor, what happened?
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Friday, January 6th, 2012 AT 12:58 AM

5 Replies

Tiny
DRCRANKNWRENCH
  • EXPERT
Either the master cylinder failed or the slave cylinder failed, the hose may have burst or the connection between the pedal and master cylinder rod or the connection between the slave cylinder and the clutch arm may have come apart. There could be a lot of air in the system or no fluid in the sytem. Check the fluid level in the master cylinder first and chechk the aforementioned form there. You can try filling it and bleeding the system, but there must be a leak. The other possibility, which is more remote, is that that clutch pressure plate springs or the throwout bearing failed.
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Friday, January 6th, 2012 AT 2:25 AM
Tiny
ERIK93GT
  • MEMBER
Ok thanks, I will check that.
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Saturday, January 7th, 2012 AT 6:35 AM
Tiny
DRCRANKNWRENCH
  • EXPERT
Your very welcome. Let me know how it goes.
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Saturday, January 7th, 2012 AT 11:31 AM
Tiny
ERIK93GT
  • MEMBER
Hi, I checked the fluid level of my clutch, being that the pedal goes to the floor, and the fluid is full. What coiuld it be?
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Sunday, February 12th, 2012 AT 6:29 PM
Tiny
DRCRANKNWRENCH
  • EXPERT
If the hydraulics are working, at least you know that there is not a leak, then there has to be a problem with the clutch itself.
You can double check the hydraulkics at the clutch arm in some vehicles. If the clutch arm comes out of the side of the transmission you should be able to pull a boot out of the way to see if the slave cylinder is moving the pushrod and moving the clucth arm. If this all works, then all that is left is the clucth.
If it is being pushed in and not actuated or gives little to no resistance the pressure plate is probably bad. Either the fingers are broken off, or even just a few will do it, or the clamping springs have failed.
You neeed to replace the entire clutch, pressure plate, throwout bearing and pilot bearing together and all new. They will usually come offered this way by good manufacturers.
If the flywheel has any ridges or galling, it might need to be replaced. Newer and especially high performance flywheels are made so thin that they are too thin to re-surface. This has become true of brake rotors as well. The rreason is to save gas.
Having a lighter flywheel allows the motor to spin up faster. It also frees up some power. A new flywheeel won't be cheap but some companies offer them as part of a clutch package in really high end stuff. There is a company called Fidanza that makes a flywheel with a replaceable clutch surface and it is very lightweight. So, you will never have to pay more than $50 for a new surface, which is probably less than re-surfacing an old flywheel.
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Saturday, February 18th, 2012 AT 12:50 AM

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