Question about 1986 Nissan Stanza

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Hydraulic clutch is leaking.

What i would like to know is would it be the slave to go first or the master cylinder for the hydraulic clutch.

I noticed the fluid was gone when i had no clutch, so after finally managing to find some tools to bleed the clutch properly with perfect success at the time, only to come back hours later completely empty.

So would it be the slave or the master to go first ?
I can replace either but i would like to know which is the more likely to go.
Its a matter of cost

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If the oil is leaking on the ground it is the slave if no oil on floor then the master is leaking the master leaks oil inside the car pull the carpet back where the pedals are to see if oil is leaking down

Posted on Dec 30, 2008


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1990 Honda EX clutch. It does not ingage. It pops to the top or sticks to the floor

Not sure of the model EX, but it probably has a clutch hydraulic slave and master cylinder that has leaked out the hydraulic fluid. Fill the clutch master cylinder (near the brake master cylinder) with brake fluid and pump the clutch pedal several times. The clutch work again until the fluid leaks out, so the permanent fix is to replace the master and or slave cylinders and bleed the system. Other models have a clutch cable that would need replacing in this case

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How to diagnose whether the clutch master or slave cylinder is my problem on 2002 ford focus 2.0 liter.Clutch pedal goes to the floor with no resistance.Brake master has fluid.

could be either
the problem is air in the hydraulic system either form a leaking slave cylinder or a faulty master cylinder admitting air on application or bypassing oil on application
you have to first check that it is hydraulic operation as the brake master cylinder may have fluid but that is a separate system to the clutch
check that it is not cable operation in which case it will be a broken cable
after the simple check , if it is a hydraulic system , replace both slave and master cylinder as they both wear out together and if it is cable replace the cable

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What to do if clutch seems to be not disengaging

Check the clutch master cylinder fluid level or linkage (if it's not a hydraulic clutch). Look for new fluid leaks around transmission. Otherwise, you may have a clutch master/slave cylinder failure.

Apr 23, 2016 | Cars & Trucks

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Why wont my clutch will not engage

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Mar 26, 2014 | 1991 Nissan Stanza

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My clutch pedal one day got all loose and wouldnt get tight then i pumped it 4 five min and then it would get tight it goes back and forth between tight and loose and when loose wont go in gear and when...

Sounds like the master or slave cylinder is not right. If it gets tight when pumping it up, that's a hydraulic issue with the rubber parts not sealing, or air in the system.

Good luck on this repair.

Dec 30, 2010 | Ford Escort Cars & Trucks

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My clutch is sitting on my floor board

This is caused by a failed clutch slave or master hydraulic clutch release cylinder has, it is best if these are replaced as a pair. here are the parts u need.
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!991 Jeep Wrangler clutch pedal loses pressure. I have to pump it to get enough pressure to shift. I keep it full of brake fluid. I can see no leaks. Thanks for any help.

leaky slave or master cylinder - if you have someone listen to the slave cylinder while you press the pedal is should "squelch" if there is air in there, if the slave cylinder doesn't make a squelching sound then the master cylinder or a hydraulic line between the two cylinders is leaking - slave cylinder isn't very expensive but the master cylinder can be rather pricey. and any good parts shop or motor-factor can source or make-up a new hydraulic line if it is the line itself that is leaking.

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1 Answer

2004 holdern rodeo v6 clutch went to the floor was working all good before

The problem could come from the clutch master cylinder or the slave cylinder. The cause could be external or internal.

First check the fluid level in the reservoir. The reservoir could be independent of the brake system or using the same.

If the level is too low, air may have entered in the line and the hydraulic compression is affected. So first, adjust the level in the reservoir using recommended oil. (normally brake oil is ok).

Check for any oil leak starting from the clutch pedal following hydraulic circuit up to the transmission.
Your vehicule should have two clutch cylinders: the master and the slave.
The master cylinder is operated by your clutch pedal, it's located under the dash, fixed to the firewall and connected to the hydraulic line on the other side of the firewall. Check for any leak on the carpet, under the carpet and near the hydraulic connection. Pumping the pedal making that verification could help to detect leak. Then follow the hydraulic line going to the slave cylinder attached to the transmission making a visual inspection for leaks.
If for any reason some air entered the circuit, the line could be purged from air bleeding the slave cyclinder as you do bleeding brake component.
If there is no air, no leak detected then it's probably an internal problem that you can't see. Remove the cap from the reservoir, depress the pedal. If the oil is moving in the reservoir then the master slave is probably bad otherwise I would suspect the slave.
I'm not an Isuzu technician.
Some other Gurus could complement or correct my saying.
Hope it will help

Dec 20, 2009 | 2004 Isuzu Rodeo

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Hydraulic or ? ? ?

Its hydraulic and it sounds like a bad clutch master cylinder or even the slave cylinder. Good luck

Dec 08, 2009 | 1993 Jeep Wrangler

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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

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