Question about Ford Taurus

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Replace master cylinder

The cylinder is clearly leaking by the fluid trail coming from the firewall protection where it bolts to the car. Is it easy to change?

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  • 266 Answers

You have to drain the system, unbolt and rebolt the parts then, refill and squeeze all the air bubbles out. If its your first time get a mechanic friend to help!

Posted on Mar 20, 2014

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Posted on Jan 02, 2017

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psds4
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SOURCE: Power Brake Booster 1998 Chevy K-1500

there is a lock clip use a small straight screwdriver pull out the center and slide off the clip

Posted on Oct 01, 2008

Geekman
  • 32281 Answers

SOURCE: no brake pedal

The fluid could be leaking into the power brake booster.

Posted on Nov 12, 2008

emissionwiz
  • 76164 Answers

SOURCE: brake pedal dropping to floor

do u have the antilock brake bleeding tool? if not you will need to have the dealer bleed the brakes, the ABS control valve must be electricaly held open to bleed the brakes there of course is a special tool for this.

Posted on Oct 18, 2009

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SOURCE: master cylinder needs replacing. Dealer told me

if your fluid leak is around brake caliper or wheel cylinder fluid will leak on brake drum or rotor.causing wheel slippage.which will cause traction light to come on.check all four wheels brake calipers and wheel cylinders.look for signs of leaking around the seal area.

Posted on Nov 21, 2009

reisdos
  • 1297 Answers

SOURCE: how to change a master cylinder

a Master rates about a 5 out of 10 with 10 being the hardest

you may find the hardest part is the actual bench bleeding of the master
and/or
the replacement of the reservoir

These are the instructions from my service manual, but I do not remove the fluid prior to service steps 2-6

  1. Disconnect battery ground cable. Disconnect electrical connector from filler cap.
  2. Remove fluid reservoir filler cap.
  3. Raise and support vehicle.
  4. Remove front wheels.
  5. Remove dust cap and loosen bleed nipple. Connect a bleed tube to bleed nipple and into a suitable container.
  6. Pump brake pedal until all fluid is expelled. Tighten bleed nipple.
  7. Lower vehicle. Install brake fluid reservoir cap. Remove air cleaner and air cleaner outlet tube.
  8. Disconnect central electrical box electrical connector.
  9. Remove central electrical box retaining screw.
  10. Remove central electrical box and relocate to air cleaner area.
  11. Disconnect brake fluid feed tube. Disconnect brake lines.
  12. On models with anti-lock brakes, disconnect brake lines from Hydraulic Control Unit.
  13. On all models, remove brake booster vacuum hose.
  14. Extract master cylinder from vehicle.
  15. On models with manual transaxles, remove clutch hose from brake/clutch reservoir.
  16. On all models, remove master cylinder nuts and remove master cylinder.

To install, reverse removal procedure. Bleed brake system.

Posted on May 31, 2010

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1992 buick lesabre brakes soft and i hear air wen i stop on them i hear air but the fluid is full need help could a cap somewhere be loose


Do you have to add fluid occasionally? If so, it is a leak, albeit a slow one, which means a rotted line or a leaky wheel cylinder... maybe even a master. If you see fluid, a light, clear oil on the ground, that's a good indicator. ALSO- lift the carpet on the driver side and look for a leak from the master cylinder into the car. (That one is often overlooked.)
If no leaks, look at the big hose that comes off the engine and into the power boost on the firewall and behind the master cylinder. A vacuum leak makes a hissing or sucking noise and reduces braking capacity

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I have 94 Mazda mx-3 for the past month or so I've been having problems with my clutch and I notice a big wet stain on the floor mat and carpet I assume its the master cylinder or slave cylinder but I am...


It's leaking on the driver's side? That would be the master cylinder bolted onto the firewall. You will have to replace with a new or remanufactured clutch master cylinder. When the seals go out, the whole unit must be rebuilt. The store will give you a discount if you bring in your old one for exchange.
The clutch slave cylinder will be down on the transmission bell housing. Follow the small steel line from the master cylinder. It goes right to the slave cylinder.
Pretty easy to change out the master cylinder. Remove the steel line, unbolt unit from the firewall, then under the dash, there's a rod from the clutch pedal to the master cylinder. Just undo the retaining clip or pin holding the rod to the pedal. When the new unit is installed and filled with fluid, then you get to learn how to bleed the hydraulic clutch at the slave cylinder-the fun never stops.

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1 Answer

Ford Puma 1.7 losing brake fluid


No, you don't have to replace the clutch. The fluid on the passenger side sounds like where your slave cylinder is? But it may be fluid running down the outside of the line to there...because I think the problem is your clutch master cylinder. The fluid on the pedal is the reason. Feel the carpet behind the pedal and all around there for wetness. If it is clutch fluid, your master cylinder will have to come off for repair or replacement. Any time you have fluid there, it's a sure sign of clutch master cylinder failure.
Whether it's the master or the slave cylinder (or both), you should be able to handle it. The master cylkinder is a little more difficult than the slave to replace, but doable. Remove the line fitting, 2 bolts holding cylinder to firewall, and inside the car is the clutch rod from the pedal to the cylinder that needs removing. That's about it. After you get the system free from further leaking, all you need to do is bleed the slave cylinder so your clutch works again.
Good luck.

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1 Answer

The cylinder was empty this morning in the 1990 pathfinder for the clutch, pedal went to floor, filled master cylinder and holding fluid but pedal is still on floor. What to do....


you need to inspect the clutch hydraulic system to look for a leak.check in the truck were the master cylinder bolts to the firewall as if the master is leaking out the back it will show up the leak in this area.check around the master under the hood to see if there are signs of it leaking.check at the transmission were the slave cylinder is as this is another place they leak.if you have to fill the master because its empty there is a leak somewhere.you also may need the clutch replaced as the slave cylinder moves out to adjust for wear of the clutch which will lower the fluid level but not cause it to be empty.you will have to bleed the clutch system at the slave cylinder,there should be a bleeder screw to do this.if you find the leak in the clutch system you will have to replace the system as some come complete master lines and slave.some come with just the slave,lines,master as separate components.

Jul 16, 2011 | 1990 Nissan Pathfinder

1 Answer

Hard to shift gears from shifter. Can go to transmission and shift easily.


loose or mis adjusted shifter cable to your transmission. usually, they break. stretched shifter cable? possible. manual transmission? did not specify. automatic? suggest cable problem,loose cable at some point,look with 2 people to see where the cables jumping during the shifting process. manual? suugest a bad or going bad slave cylinder on the side of the transmission,or low fluid to the clutch master cylinder.is the clutch pedal weak? or just goes to floor and will not come back up? this is sign of leaking clutch master cylinder,bad clutch master cylinder. or both. see brake fluid on ground under the car after you pump the clutch several times? either a bad clutch master cylinder,on the firewall,drivers side,just under the windsheild,or a bad slave cylinder on the side on the transmission under the car on the transmission. suggest that you look for fluid leakage. follow the trail of fluid to the source.

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1 Answer

85 hilux 4x4 have no clutch when checking found fluid leaking from rubber boot at the arm pretruding from gear box how do you repair this? cheers roger


bad slave cylinder possible. may even be a bad clutch master cylinder.was leaking from firewall? not bad clutch mastercylinder. was leaking under car on passenger side at front of tranny, but in between motor and tranny where motor bolts to transmission? most likely, bad clutch slave cylinder. having to add brake fluid to clutch master cylinder? having to pump the clutch pedal up to shift gears? either you have a bad clutch slave cylinder[leaking under the car between motor and tranmission] or leaking on firewall [the wall that under dash and under the front window] you may even need a clutch replacement.3 if you need further assistment,repost your question to fixya.com

Dec 26, 2010 | 1985 Toyota 4Runner

1 Answer

I have a 98 v-6 4.2L manual transmission my clutch pedal is dead, goes to the floor without disegaging. What is the likely problem? The fluid appeears to very slowly go down in the resevoir but there are...


You are definitely loosing hydraulic fluid in the system. If it is not the master cylinder it may be the slave cylinder down below. You have two options to find the problem. If the master cylinder is leaking you will see a wet trail at the rear of the master cylinder. You may have to remove the master from the firewall to check this unless you can look under the dash from the inside and see it wet. The other method will be to check the slave cylinder down below in the same manner look for leaking or wetness. When you find the bad part you can pick up another and install it. You will have to bleed the system to purge all air from the system for the clutch to release properly. Good luck. This is actually a very easy process. You can do it !

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sounds like a typical master cylinder problem, pressure is weak. easy to fix once you disconnect the actuator rod from the pedal. The plastic clip has four claws on it, might as wel just pry it off and let it break, the new master cylinder comes with a new one, snaps in easy and master bolts in with 2 bolts on the firewall. Bench bleed the cylinder, install and then bleed the master like you would with brakes.

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Do you see more smoke than normal from the exhaust?
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1 Answer

1995 Firebird


The clutch control system in your car is hydraulic,and utilizes a clutch master cylinder,similar to the brake master cylinder,and a clutch slave cylinder mounted on the exterior of the bellhousing.If the fluid has leaked out,both the master and slave cylinders need to be replaced with new.They should be replaced as a set,as one is just as old as the other.Adding fluid may build the pedal back up,but only temporarily.The clutch master cylinder and reservoir is bolted to the firewall,driver side,and should have a round black cap.The system uses regular DOT 2 or 3 brake fluid for the hydraulics

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