Question about 1990 GMC Sierra

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The clutch pedal dropped to the floor....was no smell of burnibg clutch, just lost pressure..no fluid leaking and resevior is full. replaced slave cylinder and line 3 years ago and rebuilt master cylinder 6 years ago...everything seems to be intact. whats wrong with it..thanks

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The clutch pedal assembly made of ABS plastic has a small lip holding clutch master cylinder. If the lip breaks, your clutch master cylinder assembly will shoot away from firewall & your clutch pedal will drop to the floor. Usually you will hear a loud bang when it breaks while depressing the clutch pedal. You can purchase the clutch master cylinder assembly with aftermarket & it looks just like the GM brand only over $100 cheaper. The Clutch pedakl assembly cost aprox $85.00 at a GM dealer. Bought mine online for $65.00 Org. GM part. Be aware removing & replacing the clutch pedal assembly is a real pain as theirs limited sight & room to work under the dash

Posted on Sep 24, 2012

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Broken housing, looking for the same fix.

Posted on Apr 01, 2012

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Broken linkage, or the clutch itself has failed.

Posted on Jan 03, 2011

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1 Answer

Clutch pedal goes to the floor but when i pump it it will come back


bad mc clutch
bad slave clutch.
can be either or both,
the hydralic clutch actuator has no adjustment other suz, older had cables, its no cable system as other states.
its auto adjusting
1: is Dot3/4 fluid leaking on either side of MC (clutch master cylinder)
2: is dot3/4 fluid leaking from the slave?
bingo fail for either leaking.
if no leaks the MC is bad, or not full of fluid.
3: does the fluid drop each weak, ( bingo for leaks)

Apr 14, 2013 | 2008 Suzuki Grand Vitara

1 Answer

How to blead clutch in 2004 holden clubsport


im assuming its a vy clubsport?
Make sure you remove all the old fluid from clutch resevior and clean it out properly.
You will need to raise the vehicle on a hoist or atleast 4 cat stands .
you will need 3 people in total to get the job done correctly.
fill the clutch resevior with new fluid.
get someone to stay under the car to open slave cylinder to release air.
someone to seat to drivers seat to pump clutch pedal.
and someone at resevior all the time to top up fluid.
when bleeding system just pump the pledal slowly when the person bleeding slave cylinder says hold.hold the pedal down with light pressure when the slave is open you will get air and then little fluid .
repeat process until just good flow of fluid comes out ,once this happens you should have a good pedal..
hope this helps you

May 29, 2012 | Holden Commodore Cars & Trucks

1 Answer

No fluid comes out the clutch slave cylinder bleeder


make sure that the resevior is full then have someone push down on the clutch pedal a few times and hold it down on the last stroke while you open the slave cylinder valve. then repeat as necessary until fluid comes out. Dont't let the resevior run out of fluid.

May 26, 2012 | 1994 Toyota Pickup

1 Answer

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

Clutch pedal dropped to the floor


It be a bad Clutch Slave Cylinder or it could be low on fluid. Check the reservior which is located on the engine compartment firewall and make sure is is filled to full line. if there is fluid in there than the Slave Cyclinder is bad, it is not holding pressure. Replace and it should be fine.

Jan 25, 2011 | 2008 Mazda MAZDASPEED3

2 Answers

Clutch suddenly has no resistance and car won't shift gears. Fluids were low, have put fluid in the reservoir but still doesn't work. How do you bleed a clutch line?


on the transmission there is a slave cylinder that works like a brake cylinder, when you apply pressure to the clutch pedal a rod inside the vehicle under the dash pushes into a clutch master cylinder, (almost like a brake master cylinder without the reservoir, as the clutch master cylinder works off the brake master cylinders reservoir) the plunger in the clutch master cylinder applies fluid pressure to the slave cylinder,(located down on the trans near the clutch fork assembly) which projects a piston rod into the clutch fork dis-engaging the clutch. To bleed the clutch slave cylinder locate the bleeder screw on the slave cylinder,break loose so it loosens and tightens easily. Check fluid in brake master cylinder reservoir,fill if needed, while bleeder on the slave cyl is closed have a helper push clutch pedal to floor and back 7-8 times, (At first the clutch might stay at the floor, just pull it up by hand or foot and continue) after several pumps with no rest time push pedal to the floor and hold down with foot pressure, at this time loosen the bleeder on slave untill fluid leaks out, watch for air bubbles, close bleeder and repeat untill there is no sign of air bubbles, (make sure to check fluid in the brake master cylinder and keep fill as needed, do not let fluid get less than 1/2 empty as it might **** air and you will have to start over) If this does not bring clutch to operate then you need to check if slave cylinder is reachig its full extension of push rod or not. If it is not then you will have to replace the clutch master cyl or the clutch slave cyl or both as seals are bad and wont hold pressure. Or you need to inspect the clutch fork,the throw-out bearing, or the pressure plate fingers and clutch plate for failure or broken bent parts. I hope it turns out to be a easy fix on that clutching thing.

Jan 14, 2011 | 1995 Nissan Pickup

2 Answers

The hydraulic clutch stopped working.It won't shift.There is no pressure on the clutch whne you push it down.


The clutch hydraulic system is very small. Check the resevoir is full. If empty fill. Try clutch. Still problem ? Bleed the clutch slave cylinder at the trans bleeder. You dont bleed this clutch like brakes pumping up several times. Have someone push clutch to the floor and hold it there, then you open and close bleeder while keeping pedal to the floor. Check the fluid level every time you open/close the bleeder as this system is so small and will empty quick.

Nov 16, 2010 | 1994 Mazda 2WD B Series Pickup

2 Answers

When clutch pedal depressed clutch does not move away from fly wheel started 2 1/2 days ago. is cluth hydraulic or cable? thanks ray


in a car this 'new' prob. hydraulic. check clutch fluid reservoir- should be near brake fluid res.- will be smaller- if fluid is low, or empty- may be clutch master cylinder, or clutch 'slave' cylinder is leaking. check for leak under car, should smell like 'brake' fluid. if your brake master- both reservoirs are to the full line, and there's fluid under car, close to where clutch master is located, or near front of , or side, of tranny- then it's a clutch problem of some kind (as if you didn't already know this!!) relatively new vehicle (by my standards!), should have hydraulic clutch.
do you mean- when you depress the clutch pedal, it goes to the floor, and you can't shift into any gear??
should have asked this first! front wheel drive or rear? i'll guess front wheel drive. may have hyd. fluid leak in master or slave. (apologize for 'terms', but as 'male & female connectors', it's traditional, non-racist and non-sexist nomenclature!!) gotta' be careful, in the 21st century!! if there are, as i stated previously, 2 similar reservoirs, close to each other, then you prob. have hydraulic clutch. may need 'master' rebuilt, or replaced, or 'slave' replaced-it can be rebuilt, but prob not cost effective!
sorry to be 'long-winded/ texted', good luck!

Oct 23, 2009 | 2000 Hyundai Accent

1 Answer

Clutch pedal goes to floor


Its sounds like a bad clutch cylinder or bad slave cylinder or fluid leaking. First check brake fluid level in clutch master , and check for a leak in clutch system. If there are NO leaks, then you either have a bad clutch cylinder or a slave cylinder. Bleed clutch at bleeder screw on slave cylinder and make sure there is pressure from master cylinder. If there is pressure then slave cylinder may be bad replace slave and bleed and that should take care of you problem. If master is bad then replace bleed system ad you should be good. Contact if you need more help. Thanks for using FIX YA.

May 16, 2009 | 1988 Honda Accord 4 Door

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