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Cadillac Allante Brake Master Cylinder Replacement at your home or office.

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Brake Master Cylinder Replacement Service

How much does a Brake Master Cylinder Replacement cost?

On average, the cost for a Cadillac Allante Brake Master Cylinder Replacement is $273 with $133 for parts and $140 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
1991 Cadillac AllanteV8-4.5LService typeBrake Master Cylinder ReplacementEstimate$509.92Shop/Dealer Price$604.95 - $875.87
1990 Cadillac AllanteV8-4.5LService typeBrake Master Cylinder ReplacementEstimate$500.91Shop/Dealer Price$592.85 - $861.45
1992 Cadillac AllanteV8-4.5LService typeBrake Master Cylinder ReplacementEstimate$500.91Shop/Dealer Price$592.89 - $861.52
1993 Cadillac AllanteV8-4.6LService typeBrake Master Cylinder ReplacementEstimate$411.31Shop/Dealer Price$480.89 - $682.32
Show example Cadillac Allante Brake Master Cylinder Replacement prices

What is the brake master cylinder and how does it work?

The brake master cylinder has a piston that pressurizes fluid in the brake lines to each wheel cylinder as you apply force to the brake pedal. That pressure moves the pistons that are in the wheel cylinders. As the pistons in those wheel cylinders move, they force the brake pads or shoes tightly against the rotors or drums allowing the car to stop quickly.

The size of the pistons in the master cylinder and in the wheel cylinders are carefully selected when designing a car. This allows drivers to apply moderate pressure on the brake pedal when stopping, but creates tremendous pressure applied at the wheel cylinders. A car can then stop quickly even at high speeds. Depending on how much force is applied to the brake pedal, the pressure in a car’s brake lines will typically be in the range of 800 PSI to 2,000 PSI.

Master Cylinder

When to replace the master cylinder?

  • External fluid leaks. There should be no fluid visible on the external surfaces of any portion of the master cylinder or the plastic fluid reservoir.
  • Low, slowly falling, or spongy brake pedal. Faulty internal seals on the piston can cause internal leaks and also seepage of brake fluid into the power assist brake booster. Internal leaks will typically be accompanied by a low pedal, a spongy brake pedal, or a pedal that slowly sinks as you maintain pressure. In all cases, you will experience reduced braking abilities.
  • Discolored brake fluid. No brake fluids, other than those specified for the year, make, and model, are fully compatible with a car’s internal rubber seals in the master cylinder. Discoloration of brake fluid can also occur due to moisture and particulate contaminants in the fluid.
  • Warning lights on the dash. If the brake system warning light illuminates, there are several potential causes but failure of the master cylinder is in the list of causes that would have to be investigated.

How do mechanics replace the brake master cylinder?

  • On vehicles with power brakes, the master cylinder is bolted to the metal housing of the power brake booster. There is usually an electrical plug connecting to a brake fluid level sensor on the master cylinder reservoir and that plug must be disconnected.
  • Once all steel brake lines are disconnected from the master cylinder, the master cylinder is unbolted from the brake booster and removed from the vehicle.
  • The new master cylinder must be bench-bled to expel air from internal passages that contain the piston. Then the new master cylinder is bolted to the brake booster and the brake lines are reattached. The electrical plug for the fluid level sensor is reconnected.
  • Whenever a new master cylinder is installed, brakes lines to wheel positions must be bled to remove air, old fluid and contaminants. If your vehicle is equipped with anti-lock brakes, the mechanic may use a bidirectional scan tool during brake bleeding to actuate the ABS pump, thus ensuring that all air is removed from the complex valving in the ABS system.
  • All brake line connections that were removed during the master cylinder replacement are inspected for any leakage and the vehicle is road tested to ensure normal operation of the brakes.

Is it safe to drive with a master cylinder problem?

No, any fault in the master cylinder, which is part of the braking system creates a safety risk. A fully operational brake system is essential to quickly stopping your car. Driving a vehicle isn’t safe, if the master cylinder is leaking or has other faults, as braking distances might be longer than normal. The braking system on a vehicle is among the most important safety systems and must be fully functional to safely drive your vehicle.

When replacing the master cylinder keep in mind:

  • The master cylinder is only one component of many in a vehicle’s braking system. During replacement of the master cylinder, all vehicle braking system components should be inspected to ensure maximum braking power is available.
  • The amount of friction material remaining on the brake pads and brake shoes should be verified.
  • Brake lines and flexible rubber hoses at each wheel position should be inspected for corrosion and deterioration.
  • The power brake booster should be evaluated to ensure that power assist is working properly.

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services done by our mechanics
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Real customer reviews from Cadillac owners like you.

Excellent Rating

(15)
Rating Summary
14
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1
0
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14
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1
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Tyrone

10 years of experience
154 reviews
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Tyrone
10 years of experience
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by Kelley
Cadillac Allante V8-4.1L - Car is making a noise - Los Angeles, California
Very helpful!

Jeremy

21 years of experience
802 reviews
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Jeremy
21 years of experience
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by Andrew
Cadillac Allante V8-4.6L - Pre-purchase Car Inspection - West Palm Beach, Florida
I asked Jeremy to inspect a car for me prior to purchasing it. I live in a different state so I really had to depend on Jeremy to give me as comprehensive a report as possible. He was absolutely wonderful to work with. I couldn't have gotten a better evaluation than the one Jeremy provided to me. Based on his evaluation, I ended up purchasing the car. Jeremy is terrific. He called me prior to inspecting the car and immediately after. This was in addition to his comprehensive report. I highly recommend Jeremy.

Daniel

12 years of experience
252 reviews
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Daniel
12 years of experience
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by Dom
Cadillac Allante V8-4.5L - Water Pump - Melrose Park, Illinois
im a mechanic ,cant work on cars no more ,due to back injury,daniels a pro,and he will be called for any future work

William

35 years of experience
731 reviews
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William
35 years of experience
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by DON
Cadillac Allante V8-4.1L - Serpentine/Drive Belt Replacement - Surprise, Arizona
Couldn't be happier with William and your come to the house service as well. William is a gem.

Excellent Rating

(15)
Rating Summary
14
0
1
0
0
14
0
1
0
0
Number of Cadillac Allante services completed
165+
services done by our mechanics
TOTAL NUMBER OF EXPERT Cadillac MECHANICS
1000+
experts on our platform
Yourmechanic was featured in

New York Times NBC CBS Forbes INC Tech Crunch

Learn more about us

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