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I have a 1991 honda accord and the master cylinder reservoir is empty after refilling. The ABS pump reservoir is overfull and is leaking from fill cap. It look like all the fluid in the Master cylinder is going straight in the ABS reservoir. The fluid is not leaving the ABS pump reservoir and leaking from the fill cap. Does any one know how to fix the problem?

Posted by agreat2011 on


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SOURCE: Brake fluid leaking from master cylinder Reservoir

solve the problem by replace or rebuild the master cylinder. This happens over time.

Posted on Jun 30, 2010


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1996 honda accord 5 speed transmission stuck in gear

Let's look at your slave cylinder and your master cylinder.
Under the hood of your car are two master cylinders, and physically, they are close together.
They are found right in front of you as you drive the car, except they are under the hood and about chest high.
My 1990 has them right along side one another.
The brake master cylinder reservoir is about 4 inches in diameter, the clutch master cylinder reservoir is about 3 inches in diameter. Both of them take quality brake fluid.
Sounds like your clutch master cylinder is dry of brake fluid.
It would be nice if all you had to do was to add brake fluid to the "fill" line, but then you'd have air in that system, and it would need to be "bled" to work.
If you do find the brake fluid low, very likely the slave cylinder needs replacement, as your car is the right age to need this.
Be blessed.

Mar 18, 2013 | 1991 Honda Accord

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Slave cylinder is leaking fluid

remove the slave cylinder and replace. fill the clutch reservoir with dot 3 brake fluis and open the bleeder on the slave cylinder until fluid starts to run out. refill the reservoir with fluid and with the help of a friend have them push down on the clutch pedal and open the bleeder. repeat this step till no bubbles come out and keep filling the reservoir. hope this helpsonetufshoppe_113.gif

Feb 07, 2011 | 1992 Honda Accord

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Abs light is on

1. Check 40A ALB fuse to make sure it's not blown
2. Check the reservoir fluid level (both master cylinder and ALB resovior) and fill to max if low.
3. Check break hoses for leaks.

If you find an issue with #1 or 2 and the light stays on, disconnect the battery for a few seconds to reset the computer. If it comes back on, you've got issues somewhere else and you probably won't be able to fix it yourself. Not a big deal if your brakes still work though, you just won't have ABS (maybe).

Oct 03, 2010 | 1991 Honda Accord

1 Answer

The Clutch is stuck to the floor?

Check the slave cylinders fluid level in the reservoir It will have a cap on it marked clutch fluid. If empty fill it and pump the clutch 25 times and then try it out. If the leak persist the slave cylinder will need to be replaced

Apr 25, 2010 | 1993 Honda Accord

3 Answers

While driving my 1994 Honda Accord the brakes went out. I can only get the car to stop if I press the brake pedal all the way down to the floor. When the car is shut off and I pump the brake pedal, I can...

There may be air in the lines. Bleed all your brakes starting at the farthest wheel from the resevoir, and finishing at the closest one. Try the pedal after its bled. If the pedal still feels soft or travels to the floor there may be a pinhole leak that may be spraying on the underbody of the car, or the seals in the master cylinder are gone filling the vacuum booster(if equipped). Air compresses more than oil so if bleeding works that may be the problem.

Feb 21, 2010 | 1994 Honda Accord

2 Answers

How much brake fluid to add to reservoir; where is fill line?

first of all unless there is a leak u shouldnt have to fill it . it acts as an indication that ur brakes r going low. but there should be a line on the res to indicate where to fill it to

Jun 27, 2009 | 1991 Honda Accord

2 Answers

Will not go into gear(manual)

Pretty good chance it's the clutch but check the clutch master cylinder and slave cylinder for leaks (also line between). A drastic change often is caused by failure of either component...generally if clutch fails, it is a gradual process (similar to how a brake pad wears)

Apr 03, 2009 | 1991 Honda Accord

2 Answers

Clutch has no resistance, stays near floor after applying pressur

You could refill but, i would replace the clutch master cylinder and slave cylinder as well. these two parts are failing.

Mar 06, 2009 | 1991 Honda Accord

1 Answer

Brake fluid transfer from Master pump to ABS pump

hi from uk if you are saying that the brake master cylinder reservoir fluid is falling in level? and that there is signes that fluid is leaking from the ABS hydraulic master cylinder ie fluid is leaking from the arpeture where the electrics wiring loom enters then there is probably one of the piston/valve seals leaking within abs assy ? or is leak from somewhere else? not had this problem before with fluid passing from abs assy resulting in reservoir losing fluid in this way?

Nov 11, 2008 | 1991 Honda Accord

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