Cardone 54-77039 Power Brake Booster

Reliable Vacuum Power Brake Booster for Chevrolet HHR

The Cardone Vacuum Power Brake Booster 54-77039 is designed to restore proper brake function in your Chevrolet HHR. This remanufactured power brake booster features a dual diaphragm style and is engineered to meet OEM specifications for consistent performance.

• Remanufactured power brake booster with dual diaphragm design
• Compatible with Chevrolet HHR models
• Diaphragm diameter: 8.65 inches (219.71 mm)
• Constructed from durable steel material in gray finish
• Includes booster, instruction manual, and master cylinder neck seal
• Master cylinder stud thread size: M8 x 1.25

Product Details and Specifications

This Cardone Vacuum Power Brake Booster (part number 54-77039) is built with a dual diaphragm style that provides enhanced vacuum assistance for improved braking response. The booster’s diaphragm measures 8.65 inches (219.71 mm) in diameter, ensuring compatibility with the brake system of Chevrolet HHR vehicles. Made from steel, the booster offers durability and long service life. The gray finish complements the component’s robust construction. This unit does not include a master cylinder but features a master cylinder stud thread size of M8 x 1.25 for proper fitment. The package contains the booster itself, an instruction manual for installation guidance, and a master cylinder neck seal to maintain system integrity.

About the Cardone Vacuum Power Brake Booster Line

The Cardone Vacuum Power Brake Booster product line focuses on remanufactured components that meet or exceed original equipment standards. These boosters are designed to provide reliable vacuum assistance to the brake system, improving pedal feel and stopping power. The Vacuum Power Brake Booster line is engineered for direct replacement applications, ensuring compatibility and ease of installation for vehicles like the Chevrolet HHR.

Common Applications and Problem Resolution

• Restores brake pedal responsiveness in Chevrolet HHR models
• Eliminates hard brake pedal issues caused by booster failure
• Addresses vacuum leaks within the brake booster assembly
• Resolves inconsistent braking performance due to diaphragm wear
• Replaces worn or damaged power brake boosters to maintain safety

Installation Notes and Tips

When installing the Cardone 54-77039 power brake booster on a Chevrolet HHR, ensure the master cylinder stud thread size (M8 x 1.25) matches your vehicle’s specifications. Follow the included instruction manual carefully to avoid vacuum leaks and ensure proper seal installation using the provided master cylinder neck seal. It is recommended to inspect related brake components during installation for optimal system performance.

Quality Assurance and Warranty

This remanufactured power brake booster undergoes rigorous testing to meet quality and performance standards. Cardone provides a limited warranty on this part to cover defects in materials and workmanship, offering confidence in its reliability for Chevrolet HHR brake system repairs.