Delphi Wheel Brake Cylinder - LW15971
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Product Information
Full details
The Delphi Wheel Brake Cylinder LW15971 is a essential replacement component for Fiat and Lancia owners looking to restore reliable braking performance in their drum brake systems. Designed to exert the precise force needed to press brake shoes against the drum, this high-quality cylinder ensures consistent stopping power; however, it is important to note that this part is vehicle-specific and requires a thorough inspection of your existing drum assembly for compatibility before installation.
All features
| Model Part Number | LW15971 |
|---|---|
| Brand | Delphi |
Extended Product Information
FAQs
Is this cylinder compatible with disc brakes?
No, this cylinder is designed exclusively for drum brake systems.
Should I replace one or both rear wheel cylinders?
It is highly recommended to replace wheel cylinders in pairs on the same axle to ensure even braking pressure.
What is the piston diameter of this model?
The Delphi LW15971 features a 20.6mm piston diameter.
Does this part come with mounting hardware?
The package contains one wheel cylinder unit; verify if your specific vehicle requires additional mounting hardware or clips.
Can I install this without professional tools?
While it is a standard mechanical task, it requires knowledge of hydraulic brake systems and the ability to bleed brakes; professional installation is recommended.
Troubleshooting
Spongy or soft brake pedal feel
Air may be trapped in the hydraulic line. Perform a complete brake system bleed procedure.
Brake fluid leaking near the rear wheel
The internal seals of the cylinder have failed. Replace the entire wheel cylinder unit immediately.
Vehicle pulls to one side during braking
Check for a seized wheel cylinder on the opposite side or verify that the new cylinder is operating correctly.
Pros and Cons
Pros
- High-quality construction ensures longevity
- Precise 20.6mm diameter for consistent braking
- Direct fit for specific Fiat and Lancia models
- Reliable hydraulic operation under high pressure
Cons
- Compatibility limited to specific Fiat and Lancia models
- Requires professional hydraulic system bleeding after installation
- Cannot be used on front disc brake assemblies
Setup, Compatibility & Care
Before installation, verify your vehicle's compatibility by checking the specific Fiat or Lancia model year against the `LW15971` part number. Always replace wheel cylinders in pairs across the same axle to maintain balanced braking force. During installation, ensure the brake lines are tightened to manufacturer-specified torque settings to prevent leaks. Once installed, it is mandatory to bleed the brake system to remove any trapped air. Regularly inspect the rubber dust boots on the cylinder for cracks or fluid weeping, as these indicators often precede a total cylinder failure.