Cardone 54-71204 Power Brake Booster

Reliable Vacuum Power Brake Booster for Buick and Cadillac Models

The Cardone Vacuum Power Brake Booster 54-71204 is designed to restore proper brake assist in select Buick, Cadillac, Oldsmobile, and Pontiac vehicles. This remanufactured power brake booster features a dual diaphragm style and is engineered to meet the demands of models like the Buick LeSabre and Cadillac DeVille.

• Remanufactured power brake booster with dual diaphragm design
• Diaphragm diameter: 8.771 inches (222.78 mm) for consistent brake assist
• Constructed from durable steel with a gray finish
• Compatible with master cylinders using M10x1.5 stud thread size
• Includes booster and detailed instruction manual for installation

Product Details and Specifications

This Cardone Vacuum Power Brake Booster 54-71204 is built with a dual diaphragm style that provides reliable vacuum assistance to the brake system. The 8.771-inch diaphragm diameter ensures effective power assist, improving brake pedal feel and reducing driver effort. Made from steel, the booster is finished in gray to resist corrosion and wear. It is designed to work with master cylinders that have an M10x1.5 stud thread size. Note that the master cylinder is not included with this part. The package includes the booster unit and an instruction manual to guide proper installation.

Compatible Vehicles and Applications

This power brake booster is compatible with a range of GM vehicles, including:

• Buick LeSabre and Park Avenue
• Cadillac DeVille and Fleetwood
• Oldsmobile 98 and Delta 88
• Pontiac Bonneville and Commercial Chassis models

It is specifically designed to meet the brake system requirements of these models, ensuring proper fit and function.

Common Issues Addressed by This Brake Booster

• Reduced brake pedal responsiveness or hard brake pedal
• Increased stopping distance due to loss of vacuum assist
• Brake pedal sinking or inconsistent brake feel
• Hissing sounds indicating vacuum leaks in the booster
• Brake system warning lights related to power assist failure

Installation Notes and Tips

Installation of the Cardone 54-71204 booster requires removal of the old booster and careful alignment with the master cylinder studs (M10x1.5 thread size). Follow the included instruction manual for torque specifications and vacuum line connections. It is recommended to inspect the vacuum hose and check for leaks during installation. Proper bleeding of the brake system after installation is necessary to ensure optimal performance.

Quality Assurance and Warranty

This remanufactured power brake booster undergoes rigorous testing to meet OEM standards for performance and durability. Cardone's Vacuum Power Brake Booster line is known for restoring factory-level brake assist. While specific warranty details are not provided here, Cardone typically offers limited warranties on remanufactured components to ensure customer confidence.