A Practical Guide to the 1991-2003 Mitsubishi Mirage Drum Brake Wheel Cylinder
Don't let a leaky wheel cylinder compromise your Mirage's braking power; understand the symptoms and choose the right replacement.
- A failing wheel cylinder is a critical safety issue; stop driving if you suspect a leak.
- Symptoms include a soft brake pedal, visible fluid leaks behind the rear wheels, and poor stopping power.
- Always replace wheel cylinders in pairs and replace the brake shoes at the same time.
- For this vehicle, a quality aftermarket brand like Beck Arnley or Raybestos offers the best value.
Is Your Mirage's Wheel Cylinder Failing?
A failing wheel cylinder is a serious safety issue. Because it's a hydraulic part, any failure means a loss of braking pressure. The most common cause of failure is age; the rubber seals inside the cylinder wear out, allowing brake fluid to leak. This is a common issue on older vehicles like the 1991-2003 Mirage. Look for these specific symptoms:
- Spongy or Soft Brake Pedal: If your brake pedal feels mushy or sinks toward the floor when you hold it, you may be losing hydraulic pressure through a leaking cylinder.
- Visible Fluid Leaks: The most definitive sign is a brake fluid leak. You may see wet, oily streaks on the inside of your rear tire or on the backing plate behind the wheel. Sometimes, you'll find a small puddle on the ground.
- Poor Braking Performance: If it takes longer to stop or the car pulls to one side when braking, it could indicate a problem with a wheel cylinder on one side.
- Brake Warning Light: A significant fluid leak will cause the brake fluid level in the master cylinder reservoir to drop, which will trigger the brake warning light on your dashboard.
Choosing the Right Aftermarket Wheel Cylinder
For a vehicle like the 1991-2003 Mirage, a high-quality aftermarket wheel cylinder is a smart and affordable choice. Original Equipment (OEM) parts can be difficult to find and are often not necessary for a reliable repair. The brands available fall into a few tiers based on reputation and perceived quality.
Brand Quality Tiers
Tier 1: Premium Aftermarket (Recommended)
- Beck Arnley: Often regarded as a top choice for Japanese vehicles. Beck Arnley is known for sourcing parts from the original manufacturers or suppliers that meet OEM specifications. User feedback suggests their hydraulic components are well-made and reliable.
- Metelli: While less common, Metelli is an Italian brand with a reputation for high-quality manufacturing and materials. If available, it's a solid choice.
Tier 2: Standard Aftermarket
- Raybestos, Centric, Dynamic Friction: These are well-known, reputable brands that offer a good balance of quality and price. They are a popular choice for daily drivers and are generally considered reliable, though occasional quality control issues have been noted in forums.
Tier 3: Economy/Value
- Dorman: Dorman has a very mixed reputation. While they are known for making a wide range of parts, mechanics and DIYers report inconsistent quality. While a Dorman wheel cylinder may work fine, the risk of a premature failure is considered higher by many compared to other brands.
Cost to Replace a Mitsubishi Mirage Wheel Cylinder
| Item | Estimated Cost |
|---|---|
| Aftermarket Wheel Cylinder (Part Only) | $18 - $27 |
| Shop Labor (Includes bleeding the brakes) | $100 - $200 |
| Total Professional Replacement (One Side) | $120 - $230 |
Note: Costs are estimates and can vary by location and shop. This does not include the cost of new brake shoes and hardware, which should be replaced at the same time.
Frequently Asked Questions
Do I need to replace both rear wheel cylinders at the same time?
It is highly recommended. If one side has failed due to age, the other side is likely not far behind. Replacing them in pairs ensures balanced braking performance and prevents you from having to do the same job twice in the near future.
Were there any recalls for the 1991-2003 Mirage wheel cylinder?
No, searches of the NHTSA database did not find any specific safety recalls or technical service bulletins (TSBs) for the drum brake wheel cylinders on the 1991-2003 Mitsubishi Mirage.
Can I just rebuild my old wheel cylinder?
While rebuild kits exist, they are less common now. Given the low cost of a complete new aftermarket wheel cylinder (under $30), replacement is the faster, easier, and more reliable option.
What else should I replace with the wheel cylinder?
You should always replace the brake shoes on both sides of the axle. It's also the perfect time to install a new drum brake hardware kit, which includes all the springs and clips that get worn and fatigued over time. Finally, you will need to bleed the brakes with fresh DOT 3 brake fluid.
Technical Specifications
OEM Part Numbers: MB699472
Bore Size: 3/4 inch (19.05mm). Brake Fluid Type: DOT 3.
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The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.
- Mitsubishi Mirage: