Dorman 911-152 Secondary Air Injection Check Valve

Overview of Dorman Secondary Air Injection Check Valve

The Dorman 911-152 Secondary Air Injection Check Valve is engineered to support emission control systems in select Chevrolet, Pontiac, and Saturn vehicles. Designed with durable cast aluminum and a reed valve mechanism, this component ensures reliable air flow management within the air injection system.

• Constructed from cast aluminum for strength and corrosion resistance
• Black and silver finish for durability and visual inspection
• Inlet size of 0.875 inches and outlet size of 0.688 inches for precise fitment
• Maximum pressure rating of 15 psi suitable for secondary air injection systems
• Reed valve type designed for efficient one-way air flow
• Operates effectively within a temperature range of -40°C to 125°C
• Includes air check valve and gasket for installation

Detailed Product Description

The Dorman 911-152 Secondary Air Injection Check Valve is a critical component in the emission control system, specifically designed for use in Chevrolet Cobalt, Pontiac G5, Ion, and Saturn Pursuit models. Its cast aluminum construction provides durability and resistance to the harsh conditions within the engine bay. The valve’s reed design allows for controlled one-way air flow, preventing exhaust gases from flowing back into the air injection system. With inlet and outlet sizes of 0.875 inches and 0.688 inches respectively, this valve fits precisely within the secondary air injection system, maintaining optimal performance. The valve is rated for a maximum pressure of 15 psi and can operate reliably in temperatures ranging from -40°C to 125°C, ensuring consistent function under varying engine conditions.

Common Applications and Problem Resolution

• Prevents exhaust gas backflow that can damage the air injection system
• Helps maintain proper air injection to reduce harmful emissions
• Addresses issues related to check valve failure such as rough idling or failed emissions tests
• Supports restoration of secondary air injection system functionality in Chevrolet Cobalt and Pontiac G5 vehicles
• Resolves air injection system leaks caused by worn or damaged valves

Installation Notes and Tips

• Ensure compatibility with Chevrolet Cobalt, Pontiac G5, Ion, and Saturn Pursuit models before installation
• Use the included gasket to prevent air leaks and ensure a secure seal
• Inspect the surrounding air injection system components for wear or damage during replacement
• Follow manufacturer torque specifications to avoid overtightening
• Test the system after installation to confirm proper valve operation

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The 911-152 Secondary Air Injection Check Valve undergoes rigorous quality control to ensure it meets the specified pressure and temperature ratings. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Consult product documentation for exact warranty terms.