Standard Ignition BST155 Power Brake Booster Vacuum Sensor

Overview of Standard Ignition Power Brake Booster Vacuum Sensor BST155

The Standard Ignition Power Brake Booster Vacuum Sensor BST155 is designed to provide accurate vacuum pressure readings for power brake systems. This sensor is compatible with select Cadillac, Chevrolet, and GMC models, ensuring reliable performance in vehicles like the Chevrolet Silverado 1500 and GMC Yukon XL 1500.

• Connector Gender: Female
• Connector Quantity: 1
• Connector Shape: Oval
• Connector Type: Plug in
• Terminal Gender: Male
• Terminal Quantity: 3
• Terminal Type: Blade
• Contents: Sensor only

Detailed Product Description

The BST155 power brake booster vacuum sensor from Standard Ignition is engineered to monitor vacuum levels within the brake booster system accurately. Featuring a single female oval plug-in connector and three male blade terminals, this sensor ensures secure electrical connections and consistent signal transmission. Its design supports precise vacuum measurement, which is critical for maintaining proper brake assist function in vehicles such as the Cadillac Escalade and Chevrolet Suburban 2500.

Compatible Vehicles and Applications

This sensor is compatible with a range of full-size trucks and SUVs, including the Chevrolet Avalanche, GMC Sierra 1500, and Cadillac Escalade. The part number BST155 is specifically designed to meet the OEM specifications for these models, providing a direct replacement for the original sensor.

Common Issues Addressed by the BST155 Sensor

• Inaccurate brake booster vacuum readings causing reduced brake assist
• Intermittent brake pedal firmness or sponginess
• Check engine or brake system warning lights related to vacuum sensor faults
• Vacuum leaks affecting brake system performance
• Sensor connector or terminal corrosion leading to signal loss

Installation Notes and Tips

When installing the Standard Ignition BST155 sensor, ensure the female oval plug-in connector is securely attached to the vehicle’s wiring harness. Verify that the three male blade terminals are free of corrosion and properly seated to maintain optimal electrical contact. It is recommended to inspect the brake booster vacuum lines for leaks during installation to prevent future sensor issues.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards. The BST155 sensor undergoes rigorous testing to ensure durability and reliable performance in demanding automotive environments. This part is backed by Standard Ignition’s limited warranty, providing coverage against defects in material and workmanship under normal use.