Dorman 911-672 Vapor Canister Purge Valve

Overview of Dorman Vapor Canister Purge Valve 911-672

The Dorman 911-672 vapor canister purge valve is designed to support the evaporative emission control system in select Buick and Cadillac models. This component helps regulate fuel vapor flow, contributing to reduced emissions and improved engine performance.

• Connector hose inside diameter: 0.215 inches
• Single elliptical connector shape for secure fitment
• Durable plastic housing material
• Two electrical terminals for reliable connection
• One vacuum port included
• Overall length of 4.194 inches
• One mounting hole with a diameter of 0.283 inches
• Includes mounting bracket (mounting hardware not included)
• Two ports with outside diameters of 0.310 and 0.309 inches

Detailed Product Description

The Dorman 911-672 vapor canister purge valve is engineered to meet the specifications required for Buick CTS, Cadillac CTS, Cadillac SRX, and Buick Rendezvous models. Constructed with a plastic housing, this valve features an elliptical connector shape and a connector hose inside diameter of 0.215 inches, ensuring a precise and secure fit within the evaporative system. The valve includes two electrical terminals and a single vacuum port, facilitating proper control of fuel vapor flow from the charcoal canister to the intake manifold. Its length of just over 4 inches and a single mounting hole allow for straightforward installation using the included mounting bracket.

Common Applications and Issues Addressed

• Helps prevent fuel vapor leaks that can trigger the check engine light
• Supports proper fuel vapor purge to maintain emission standards
• Reduces rough idling caused by faulty purge valve operation
• Improves fuel efficiency by controlling vapor flow
• Prevents failed emissions tests related to evaporative system faults

Installation Notes and Tips

Installation of the Dorman 911-672 vapor canister purge valve requires removal of the old valve and securing the new valve using the included mounting bracket. Note that mounting hardware is not included, so appropriate fasteners should be sourced separately. Ensure all electrical connections are clean and secure, and verify that the vacuum port and connectors are properly seated to avoid leaks. It is recommended to consult the vehicle’s service manual for specific torque specifications and safety precautions.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 911-672 vapor canister purge valve undergoes rigorous quality control to ensure durability and reliable operation within the evaporative emission system. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Refer to Dorman’s official warranty documentation for complete terms.