Dorman 911-021 Vapor Canister Vent Solenoid

Overview of Dorman Vapor Canister Vent Solenoid 911-021

The Dorman 911-021 Vapor Canister Vent Solenoid is designed specifically for select Cadillac, Chevrolet, GMC, and Hummer models. This emission control component helps regulate fuel vapor flow, ensuring your vehicle meets emission standards and operates efficiently.

• Specific fit for various Cadillac, Chevrolet, GMC, and Hummer vehicles
• Two-blade connector configuration with two connectors for secure electrical connection
• Durable plastic housing designed for long-lasting performance
• Easy removal by lifting tab and rotating from the round canister
• Includes the solenoid unit only for straightforward replacement

Detailed Product Description

The Dorman 911-021 Vapor Canister Vent Solenoid is engineered to fit specific models such as the Chevrolet Silverado 1500, GMC Sierra 2500 HD, Cadillac Escalade, and Hummer H2. Featuring a plastic housing and a two-blade terminal configuration, this solenoid ensures reliable electrical connectivity and resistance to environmental factors. The solenoid controls the venting of fuel vapors from the vapor canister, playing a critical role in the vehicle’s evaporative emission control system.

Compatible Vehicles and Applications

This vapor canister vent solenoid is compatible with a range of vehicles, including:

• Cadillac Escalade, Escalade ESV, Escalade EXT
• Chevrolet Avalanche 1500 and 2500, Blazer, Malibu, Silverado 1500 and 2500, Suburban 1500 and 2500, Tahoe
• GMC Sierra 1500, 2500, 3500, Yukon, Yukon XL 1500 and 2500
• Hummer H2
• Express and Savana vans in 1500, 2500, and 3500 configurations

Common Issues Addressed by This Solenoid

• Check engine light triggered by evaporative emission system faults
• Fuel vapor leaks causing increased emissions
• Failed emissions tests due to faulty vapor canister vent control
• Rough engine idle or stalling related to vapor canister malfunction
• Fuel odor inside or around the vehicle

Installation Notes and Tips

To install the Dorman 911-021 solenoid, remove the old solenoid from the round vapor canister by lifting the retaining tab and rotating the unit. The two-blade connectors should be carefully disconnected and reconnected to ensure proper electrical contact. No additional parts are included, so verify compatibility with your vehicle before installation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications. The 911-021 Vapor Canister Vent Solenoid undergoes quality testing to ensure durability and performance. Please refer to Dorman’s warranty policy for specific coverage details.