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Brake Fluid and Lubrication

Cars, trucks, motorcycles and even bicycles use hydraulic braking. Brake fluid is used to transfer the force applied into hydraulic pressure. In contrast, lubricants enable parts to move opposite each other in a perpendicular manner.

1,926 Questions

How do you know if brake fluid is leaking?

There would be break fluid OUTSIDE of the lines and reservoir

Is it bad to push the caliper piston in and let the brake fluid go back into the master cylinder on new cars?

Best answer, it might be. there are two basic types of calipers on newer cars: push in and twist in. If you twist a push in type, no harm is likely to occur; if you push in a twist in type of caliper, you will damage it to the point of requiring replacement.

Be certain what type is installed on your vehicle. the best way to accomplish this is to purchase or view a maintenance manual such as those published by Chilton.

What happens when you run out of brake fluid?

The brake pedal will go to the floor but will have absolutely no effect on stopping the vehicle. When you push on the brake pedal it moves the fluid through metal tubes (called brake lines) to force the brake pads against the rotor which slows and stops the car. No fluid means nothing is in there to make the brake pads engage the rotors.

What kind of brake fluid does a 98 Lincoln continental use?

( DOT 3 brake fluid ) meeting Ford specification ( ESA-M6C25-A )

according to the Owner Guide

When pressing the brakes the pedal goes all the way to the floor?

You have a leak in the brake system, need to check the medal brake lines that run through the frame rail and goes to the back wheels, It is common for those to rust into towards the back. If lines are okay then check the wheel cylinders. If you are not low on brake fluid then you probley have a bad master cylinder.

What happens if ATF fluid gets into the brake lines?

Ok, I am assuming you accidentally poured ATF in the master cylinder. Remove this immediately. Have the entire brake system flushed and replenished with the proper brake fluid. Brakes will not function properly with ATF. This is a dangerous situation, not to be ignored. ATF has different base chemical compositions, boiling point, and properties, and should not be mixed or substituted for in a brake system. Mixing or substituting these types of fluids will destroy rubber and plastic components within the system. It can also alter the performance characteristics of the brake system.

Where is the brake bleed plugs on a 1998 Dodge Caravan?

The rears are on the back of the backing plate, next to the line. The fronts are on the upper part of the calipers.

What kind of brake-fluid you can use Honda CR-V?

Any dot 3 is fine for all cars. the important thing to remember is not to mix synthetic with regular. Just don't get the synthetic stuff by mistake, or you'll have to bleed the brakes.

What do you do when your master cylinder gets bled dry?

You have to refill it and bleed all over again ,every line. Make sure you fill master as you bleed.

What should be done if brake fluid is put in the power steering reservoir?

You should IMMEDIATELY flush out the entire PS system. Damage to the seals may have already been done. If so, you will have to replace the steering rack (or gear), the pump, and the lines.

This is a costly mistake.

Rick

I'm a retired ASE Master/L-1 Technician. I still keep current with the latest automotive technology. Visit my blog for cool articles and TSB's: http://free-auto-repair-advice.blogspot.com

How do i check brake booster vacuum on a Holden rodeo diesel?

I have a leak in the brake booster in side the cab. it sound like it is sucking sound and i move the rubber boot and it slows down or stops. can this cause any brake problems.

Why liquid brake fluid is used in brake lines to transfer pressure to a cars brakes from the foot pedal but gas is used in shock absorbers?

According to Pascal's law the pressure remains constant at all the points in the fluid which is at rest. The car brake's consists of a master cylinder filled with liquid oil and provided with airtight frictionless piston.The master cylinder is connected to wheel cylinder by a tube.The wheel cylinder is having two pistons connected to brake shoes. the similar system is connected to all the wheels.when the brake pedal is pressed the lever is pressed the piston of the cylinder is pushed inwards.There will be increased pressure on liquid which is transmitted equally to pistons of the wheel cylinder due to which pistons move outwards which in turn press against the rim of the wheel & hence retard the wheel.

Large shock absorbers have also been used in structural engineering to reduce the ...to the shock absorber to act as a reservoir for the oil and pressurized gas.

How do you change the brake fluid on a Ford Focus?

Use a turkey baster or something similar to empty the brake fluid reservoir as much as possible. Open the wheel bleeder valves and drain the lines. Refill the system, then bleed the lines on the Ford Focus.

Brake fluid leaking from Lincoln town car?

When brake fluid leaks the system is compromised and the brakes might not function properly. Look over the entire brake system to see where the leak is coming from to be able to fix the problem.

If you put motor oil into the brake fluid what happens?

Your brakes will not work properly. Brake fluid is hydraulic, oil is not. You NEED to flush and clean the brake system and refill it with the correct fluid for your vehicle. Do not drive it until you do!!!

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Right, one of three possibilities will occur.

1. The motor oil will cause all of the O rings and other seals in your brake system to swell up, resulting in locked brakes. Fixing this requires complete replacement of the brake system, and new discs.

2. The oil will corrode the aforementioned rubber, and your brake fluid will all leak out, resulting in the inability to stop. Fixing this generally necessitates replacement of an entire (sometimes several) vehicles, and occasionally the driver as well.

3. The oil boils at a lower temperature then brake fluid and will be unable to maintain pressure against the discs/drums, resulting in the inability to stop, as in 2., and has the added bonus of potentially setting your car on fire if the brakes get hot enough and the oil leaks out.

Can you close off a broken brake line temporarily and still drive until you can repair it?

Yes, there are two independent brake line systems running diagonally in a car and each one (i.e. left front/right rear & right front/left rear) is able to stop the car by itself.

However do not wait to get it repaired, take it in as soon as possible!

Is it safe to let children roll down a hill in a tractor tire?

Letting a child roll down a hill in any tire is not the safest way to let them play. The child could always fall out before coming to a stop, resulting in the possibility of the tire rolling over the top of them.

Does brake fluid evaporate?

NO. Brake fluid is hydroscopic, meaning it adsorbs water. It is also petroleum based. If yours is low you either have a leak somewhere, it is time for a brake job because friction material is worn down letting pistons or wheel cylinders travel farther out of their bores, or it was never the right level to start with.

Which brake fluid should you use for a 1977 vauxhall vx2300?

In my manual for the Vauxhall VX 2300, year 1977, it says that the right Brake Fluid is of the type GM-4653-M.

Trouble is that I can not find out on the internet weather this is Dot 3 or Dot 4 Brake Fluid (DOT 5?)...... Would be nice if someone did have that answer.

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