Standard Ignition PVS166 Ported Vacuum Switch

Overview of Standard Ignition Ported Vacuum Switch PVS166

The Standard Ignition Ported Vacuum Switch PVS166 is designed for reliable vacuum control in select Buick, Chevrolet, Oldsmobile, and Pontiac vehicles. This ported vacuum switch features dual hose connectors and precise hose sizing to ensure proper fit and function in models like the Cutlass, Skylark, and Monza.

• Includes one ported vacuum switch unit
• Equipped with two hose connectors for vacuum line attachment
• Hose size compatibility: 3/16" x 3/16"
• Push-on thread size (NPT) for secure installation
• Compatible with multiple GM makes and models from the 1980s and 1990s

Detailed Product Description

The PVS166 ported vacuum switch by Standard Ignition is engineered to regulate vacuum flow in emission control and HVAC systems. Its two 3/16" hose connectors allow for straightforward integration with existing vacuum lines, while the push-on NPT thread size ensures a tight, leak-free connection. This part is specifically compatible with Buick, Chevrolet, Oldsmobile, and Pontiac vehicles including the Citation, Custom Cruiser, Cutlass series, Monza, Omega, Phoenix, Skylark, Starfire, and Sunbird. The switch helps maintain proper vacuum pressure, which is critical for engine performance and emission compliance.

Common Applications and Problem Resolution

• Restores proper vacuum routing in emission control systems
• Resolves issues with HVAC vacuum-operated components
• Prevents vacuum leaks that can cause rough idling or poor engine performance
• Replaces faulty or worn vacuum switches in compatible GM vehicles
• Supports emission system functionality to meet regulatory standards

Installation Notes and Tips

• Ensure vacuum lines are clean and free of debris before installation
• Verify hose size matches 3/16" diameter for proper fit
• Push hoses firmly onto the switch’s connectors to prevent leaks
• Check for vacuum leaks after installation using a vacuum gauge or smoke test
• Consult vehicle service manual for specific routing and connection details

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The PVS166 ported vacuum switch undergoes quality control testing to ensure durability and reliable operation. Warranty coverage details should be confirmed with the product documentation or distributor, as terms may vary.