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Clutch pedal drops to the floor with no real effort. How do I check the master cylinder?

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CLUTCH AND MASTER CYLINDER SHARE THE SAME RESERVOIR YOU CHECK LEVEL IN THE MASTER CYLINDER.ADD BRAKE FLUID TO THE MAX LINE DONT OVER FILL.IF MASTER CYLINDER RESERVOIR IS EMPTY.CHECK FOR FLUID LEAKS AT CLUTCH LINES AND CONNECTIONS AT CLUTCH RELEASE CYLINDER AND CHECK BRAKE LINES - CALIPERS - WHEEL CYLINDERS AND BRAKE BOOSTER.FIX LEAKS AND BLEED BRAKE AND CLUTCH SYSTEM.

Posted on Jul 29, 2010

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2004 vectra c diesel clutch pedal to floor. Garage changed csc,master cylinder, return spring but pedal still drops to floor. Not loosing any fluid been bled numerous times.Any ideas??


Crack off the slave cylinder bleed nipple. If you get pressure when pumping the pedal, replace the clutch. If not, remove the air lock in the system or fit a new master cylinder.

Jan 25, 2017 | Cars & Trucks

1 Answer

Clutch pedal on floor


Check for broken clutch cable if equipped or clutch master cylinder low/empty of fluid indicating a worn clutch or hydraulic leak

Mar 10, 2016 | Cars & Trucks

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I just bought an 01 alero and on the way home i went to downshift from 5th to 4th and the clutch pedal basically fell to the floor with very little effort and stuck there,, it shifted perfectly fine up...


It's usually the clutch master or slave cylinder that is bad when the pedal drops to the floor suddenly. Check both to see which one is leaking fluid and that's your bad one.

May 15, 2011 | 2001 Oldsmobile Alero

1 Answer

Can't get clutch to bleed on 1996 s 10 we have bleed bleed and bleed


Hi if you have done the following to bleed the clutch.
1 open bleed screw
2 push pedal to floor and keep on floor
3 do bleed screw up
4 lift pedal
5 undo bleed screw
6 push pedal to floor
7 do bleed screw up
8 lift pedal up
you need to repeat this a few times but making sure the fluid level dont drop below the lowest level else you will get air in the system.

right now if you have done the above properly and you still either get the pedal going to the floor and staying their or you have no pedal at all then this points to their being a fault with either the clutch master cylinder or clutch slave cylinder, now in most cases the one that fails is the master cylinder this is the one that is connected to the clutch pedal now its usually this one that fails and causes the pedal to go to the floor or have no clutch.

but it could also be the slave so bare this in mind, if the pedal comes back up after pushing it down then the chances are its the slave at fault and this is the one on the gearbox that operates the clutch arm.

let me know how you get on or if you need further assistance ok

plz rate this solution as i have a whole page of unrated posts, thanks

Dec 01, 2010 | Chevrolet S 10 Cars & Trucks

2 Answers

My clutch pedal is stuck to the floor??


It is most likely a hydraulic clutch, and it is most likely leaking at the clutch slave cylinder. Check the clutch master cylinder for fluid, it should be a small master cylinder looking thing with a fill cap next to the brake master cylinder and booster unit. If it is empty fill it with the same dot 3 brake fluid that you use for your brake master cylinder, and make sure that you are pouring the fluid into the clutch master cylinder reservoir and not the rubber seal that should be under the fill cap. After filling the clutch master cylinder up with fluid, then try and pump up the clutch pedal. It might take a while to pump up hydraulic pressure, and you might also have to work the pedal a few times by hand at first.

Also, you might have to bleed the clutch at the slave cylinder if it will not build up enough pressure to release the clutch.

Apr 28, 2010 | 1988 Mazda RX-7

2 Answers

UNABLE TO ENGAGE GEARS WHEN ENGINE RUNNING ( CAN ENGAGE GEARS WITH ENGINE OFF ). CLUTCH PEDAL GOES STRAIGHT TO THE FLOOR WHEN PRESSED


Need to have it check could be clutch master cylinder or slave cylinder or hose from clutch master cylinder to slave cylinder.check brake fluid at clutch master cylinder sit next to brake master cylinder if empty could have a leak. fill and pump peddle and look for leak.

Jan 12, 2010 | 2001 Ford Focus

2 Answers

Clutch pedal stuck to the floor stick shifter will not go into gear while truk is running


try pulling pedal up, does it drop str8 to the floor,if yes problem in hydralic clutch like clutch master cylinder or slave cylinder,if pdel stays up appears to be ok then the clutch may need replacing

Mar 06, 2009 | 1995 Ford F150 Styleside Regular Cab

1 Answer

Clutch pedal goes to the floor on A6 2.8 P 1997


It's a hydraulic system on the Audi. Using a master cylinder (nearer pedal and firewall) and a slave cylinder (at clutch release bearing itself, or on side of tranny. Owner's manual should give location for a reservoir to check. Similar but smaller than brake master cylinder reservoir if that helps. The system uses brake fluid, and you either have a leak, a lack, or a loss of this fluid, and/or pressure to the clutch. Sounds like you need qualified service, these systems need REAL diagnosis before you start buying parts. ALso can be hard to bleed completely free of air after parts are installed.

Jan 27, 2009 | 1997 Audi A6

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