
How to Rebuild a Wheel Cylinder. Step 1 - Lift Car. Use jack stands and a floor jack so you can access the wheel cylinder. Take off the wheels for better access. Step 2 - Remove Brake Drum. Step 3 - Remove Return Springs. Step 4 - Remove Components of Wheel Cylinder. Step 5 - Hone Wheel Cylinder.
What are the symptoms of a bad wheel cylinder?
- “Mushy” feel to the brake pedal. One of the first and most distinct symptoms of a bad wheel cylinder is a “mushy” brake pedal.
- Delayed or slow brake response.
- Leaking brake fluid.
How much does it cost to fix a wheel cylinder?
The average cost of master cylinder repair is usually between $200 and $300, but it can be more, again, depending on the scope of the fix.If individual wheel cylinders need to be replaced, the cost will go up. The repair price for an entire brake job—rotors, calipers, drums, pads, cylinders—can run you $750 or more.
Can you replace your wheel cylinder with an used one?
Yes you can and I have rebuilt wheel cylinders. To do it correctly you have to use a cylinder hone and such. The correct kits include the spring, caps and pistons. BUT unless you have an odd vehicle it is easier and faster to replace the unit.
How to change a rear wheel cylinder?
- Put the wheel cylinder in place
- Start reconnecting the brake line nut by hand
- Start the wheel cylinder bolts by hand
- Tighten the bolts to 20 foot-pounds with a socket

What three 3 ways can indicate a wheel cylinder is leaking?
When brake wheel cylinders do go bad, they will usually produce a few symptoms that can alert the driver that they may need to be replaced:“Mushy” feel to the brake pedal. One of the first and most distinct symptoms of a bad wheel cylinder is a “mushy” brake pedal. ... Delayed or slow brake response. ... Leaking brake fluid.
Can I drive with a leaky wheel cylinder?
Brake systems in today's vehicles are activated by brake fluid, so keeping enough brake fluid in your vehicle is imperative to ensure the safety of you and your family – brake fluid leaks are the most common cause of total brake failure, and you should not drive a vehicle that is leaking brake fluid.
How much does it cost to replace a wheel cylinder?
The Best in Auto Repair The average cost for brake wheel cylinder replacement is between $158 and $194. Labor costs are estimated between $96 and $121 while parts are priced between $62 and $73. This range does not include taxes and fees, and does not factor in your specific vehicle or unique location.
Why do wheel cylinders fail?
Rubber Seal Failure The wheel cylinder piston seals and dust boots are made of rubber. These seals become brittle with time and can fail with exposure to extreme heat or due to natural wear and tear.
How do I know if wheel cylinder is bad?
0:131:48Signs of a bad Wheel Cylinder failing symptoms leaking stuck ... - YouTubeYouTubeStart of suggested clipEnd of suggested clipFirst check behind the rear wheels for brake fluid leaks. If there is brake fluid behind the rearMoreFirst check behind the rear wheels for brake fluid leaks. If there is brake fluid behind the rear wheels that means the wheel cylinder is leaking. This will also cause the brake fluid to leak onto the
Should wheel cylinders be replaced in pairs?
It's recommended you replace the brake wheel cylinder in pairs, especially when replacing other rear brake components. However, you should complete this job one wheel at a time. Remove one wheel and tire and complete the brake service on that wheel before moving to the other side.
How long does it take to change a cylinder?
Recommended Services. To replace both cylinders takes roughly 8 hours. You can get an exact quote, both as to labor and parts, by using YourMechanic's on-line estimator for clutch repairs.
How many wheel cylinders does a car have?
2 wheel cylinderHow many wheel cylinders does a car have? Most car hav 2 wheel cylinder the wheel cylinder consists of a cylinder that has two pistons, one on each side. Each piston has a rubber seal and a shaft that connects the piston with a brake shoe.
What is the function of wheel cylinder?
A wheel cylinder is a component of a hydraulic drum brake system. It is located in each wheel and is usually positioned at the top of the wheel, above the shoes. Its function is to exert force onto the shoes so as to bring them into contact with the drum and stop the vehicle with friction.
How do you test a wheel cylinder?
0:481:58How to inspect a wheel cylinder during hub service. - YouTubeYouTubeStart of suggested clipEnd of suggested clipOr a small screwdriver or something and you need to grab the edge of the booth. Just like this andMoreOr a small screwdriver or something and you need to grab the edge of the booth. Just like this and peel it back. You'll see there.
When should a wheel cylinder be replaced?
The following are some of the signs that you may notice when it comes time to replace the wheel cylinders on your car:The brake pedal goes all the way to floor.There is a lot of noise from the rear brakes.Fluid is leaking from the wheel cylinders.
What are the two types of wheel cylinders?
Plug brake wheel cylinders are mainly used for double lead shoe and double follower brakes, while double piston brake wheel cylinders are widely used and can be used for lead shoe brakes. It can also be used for two-way double-lead-shoe brakes and self-energizing brakes.
When should a wheel cylinder be replaced?
The following are some of the signs that you may notice when it comes time to replace the wheel cylinders on your car:The brake pedal goes all the way to floor.There is a lot of noise from the rear brakes.Fluid is leaking from the wheel cylinders.
How do you change a brake cylinder?
0:4013:52How to Replace a Wheel Cylinder - YouTubeYouTubeStart of suggested clipEnd of suggested clipShow you how to get all the springs. And stuff off and. So I just took everything off now we're justMoreShow you how to get all the springs. And stuff off and. So I just took everything off now we're just going to take the wheel cylinder off and what the wheel cylinder does is it pushes these out.
How do you test a brake cylinder?
Use a screwdriver to press and hold the plunger in the rear of the master cylinder. The plunger should be very firm, if not immovable, past a few millimeters. If the plunger keeps moving in, this indicates a fault of at least one of the internal seals.
How much is it to replace a brake caliper?
Front calipers cost between $85 and $110 each. Rear calipers sell for $90 to $110 per caliper. A general range for the pricing of remanufactured replacement calipers is about $80 each for front calipers and around $90 each for rear calipers.
How Does A Mechanic Replace The Wheel Cylinder?
Before we go into the replacement process, note that wheel cylinders are always replaced in pairs, even if one doesn’t have problems.
Why does my car's wheel cylinder fail?
Here are some typical ways that the wheel cylinder fails: The rubber seals become brittle and break, resulting in a brake fluid leak. The pistons wear down, can’t be adequately sealed, and start leaking brake fluid.
Why do new brake shoes need to be replaced?
Additionally, new brake shoes are thicker, so pushing them can create extra stress on an old wheel cylinder — causing it to fail and necessitating a replacement anyway.
What does it mean when brake fluid leaks?
Any brake fluid leaking on the rear wheels or pooling near them can point to a leaking brake wheel cylinder.
Why does my brake pedal feel soft?
A brake pedal that feels soft or sinks to the vehicle floor indicates a drop in hydraulic pressure. You’ll also notice poor brake response while braking. This can result from a brake fluid leak in the brake system — like a broken wheel cylinder seal.
Can you brake a drum without a wheel cylinder?
Without a fully functioning wheel cylinder, your drum brake won’t work.
Can you ignore wheel cylinder replacement?
A wheel cylinder replacement can be a fairly complex process. However, it’s one that you shouldn’t ignore. To make things simple, let a mechanic handle it, and your vehicle’s brakes will be back in perfect shape in no time.
What Is A Wheel Cylinder?
The brake wheel cylinder is a key component of your car’s drum brake system.
Why is it so hard to spot a bad wheel cylinder?
A bad wheel cylinder is often hard to spot because it’s located inside the drum brake.
What is the inlet port on a brake cylinder?
An inlet port that connects the wheel cylinder to a brake line that carries brake fluid. A bleeder screw that’s used to bleed brake fluid and eliminate the brake cylinder of air. Now that we understand the structure of a brake wheel cylinder, let’s get to how the wheel cylinder functions with the rest of the braking system.
How many cylinders does a drum brake have?
In general, a vehicle with drum brakes will have 2 dual piston wheel cy linders. That’s because cars with drum brakes typically only use them as rear brakes. 2.
What is a dust cap on a wheel?
External dust boots (also called a dust cap) cover each end of the wheel cylinder to protect the cylinder bore from moisture, brake dust, and dirt. In addition to those, there are two other important components: An inlet port that connects the wheel cylinder to a brake line that carries brake fluid.
How to ensure drum brakes get adequate attention?
To ensure your drum brakes get adequate attention, find a reliable auto technician to manage your brake wheel cylinder issues.
What is a drum brake wheel?
The Anatomy Of A Drum Brake Wheel Cylinder . The wheel cylinder structure is relatively simple. Its main body is a cylinder with a bore, typically made of cast iron or aluminum. The cylinder bore is fitted with these: A piston on each end which connects to a brake shoe via a shaft.

This Article Contains
Why Would You Need A Wheel Cylinder Replacement?
- Your vehicle’s wheel cylinder has moving partsthat are subject to wear and tear over time. Here are some typical ways that the wheel cylinder fails: 1. The rubber seals become brittle and break, resulting in a brake fluid leak 2. The pistons wear down, can’t be adequately sealed, and start leaking brake fluid 3. A piston gets stuck in a corroded cylinder bore 4. A piston slips out of the c…
How Does A Mechanic Replace The Wheel cylinder?
- Before we go into the replacement process, note that wheel cylinders are always replaced in pairs,even if one doesn’t have problems. Why? Wheel cylinders don’t fail often, but if one goes bad, the matching pair is likely not too far behind it in wear and tear. That’s why it’s always better to be proactive and replace both. To begin the replacement, your mechanic will need several items: 1. …
Final Thoughts
- A wheel cylinder replacement can be a fairly complex process. However, it’s one that you shouldn’t ignore. To make things simple, let a mechanic handle it, and your vehicle’s brakes will be back in perfect shape in no time. To make things even easier, just contact RepairSmith. Their ASE-certified technicians will be at your door in no time to take ...