Dorman 926-887 Power Brake Booster Vacuum Switch

Overview of the Dorman Power Brake Booster Vacuum Switch

The Dorman 926-887 Power Brake Booster Vacuum Switch is designed specifically for select Volvo models, including the S60, S80, and V70. This vacuum switch plays a critical role in maintaining proper brake booster function by regulating vacuum pressure within the brake system.

• Connector color: Black
• Connector gender: Male
• Single connector quantity
• Switch type: Push
• Terminal gender: Male
• Two blade terminals
• Specific fit for Volvo S60, S80, and V70
• Mounting hardware and wire harness not included
• Package includes one vacuum switch

Detailed Product Description

The Dorman 926-887 vacuum switch is engineered to meet the exact specifications required for Volvo S60, S80, and V70 models. Featuring a black male connector and two male blade terminals, this push-type switch ensures reliable electrical connection and consistent performance. The part is designed as a specific fit, which means it integrates seamlessly with the vehicle’s existing brake booster system without the need for modifications. While mounting hardware and wire harness are not included, the switch is compatible with factory components for straightforward replacement.

Common Applications and Problem Resolution

This power brake booster vacuum switch is used to monitor and control vacuum pressure in the brake booster, which is essential for proper brake assist function. It addresses several issues, including:

• Intermittent or complete loss of brake assist
• Brake pedal feels hard or requires excessive force
• Vacuum leaks affecting brake booster performance
• Brake warning lights related to vacuum system faults
• Inconsistent brake booster vacuum pressure readings

Installation Notes and Tips

Installation of the Dorman 926-887 vacuum switch requires basic automotive electrical knowledge. Ensure the vehicle is turned off and the brake system is depressurized before beginning. The switch connects via a single black male connector and two blade terminals, which should be securely attached to prevent electrical faults. Since mounting hardware and wire harness are not included, reuse existing components or source compatible parts. Verify fitment with Volvo S60, S80, or V70 models before installation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for durability and performance. The 926-887 vacuum switch undergoes rigorous quality control to ensure reliable operation within the brake system. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Consult product documentation or the manufacturer for exact warranty terms.