Dorman 310-220 Evaporative Emissions System Leak Detection Pump

Overview of the Dorman 310-220 Leak Detection Pump

The Dorman 310-220 Evaporative Emissions System Leak Detection Pump is designed specifically for Volkswagen Eos models. This black plastic pump plays a critical role in maintaining your vehicle's evaporative emissions system by detecting leaks efficiently and reliably.

• Constructed from durable black plastic material
• Measures 4.5 inches in length with a 3.8-inch diameter
• Features two ports with 0.7-inch inlet and outlet outside diameters
• Equipped with a male 3-blade connector for secure electrical connection
• Designed for specific fitment to Volkswagen Eos vehicles

Detailed Product Description

The Dorman 310-220 leak detection pump is engineered to integrate seamlessly with the evaporative emissions system of Volkswagen Eos models. Its plastic construction ensures resistance to corrosion and long-term durability under typical engine bay conditions. The pump’s dimensions—4.5 inches in length and 3.8 inches in diameter—allow for precise fitment without modification. Both the inlet and outlet ports have an outside diameter of 0.7 inches, facilitating proper hose connections. The male 3-blade connector provides a reliable electrical interface, ensuring consistent pump operation.

Function and Common Applications

• Detects leaks in the evaporative emissions system to prevent fuel vapor escape
• Helps maintain compliance with emissions regulations
• Addresses issues such as check engine light activation related to EVAP leaks
• Prevents fuel odor caused by vapor leaks
• Supports proper engine performance by maintaining system integrity

Installation Notes and Tips

Installation of the Dorman 310-220 leak detection pump requires compatibility with Volkswagen Eos models. Ensure the vehicle is properly diagnosed for EVAP system leaks before replacement. Disconnect the battery prior to installation to avoid electrical hazards. Carefully remove the old pump and inspect the surrounding hoses and connectors for wear or damage. Connect the male 3-blade terminal securely and verify that the inlet and outlet hoses fit the 0.7-inch ports snugly. After installation, clear any diagnostic trouble codes and perform a system test to confirm proper operation.

Quality Assurance and Warranty

Dorman manufactures the 310-220 leak detection pump to meet or exceed OEM specifications for Volkswagen Eos vehicles. The pump undergoes rigorous quality control to ensure durability and reliable performance within the evaporative emissions system. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Refer to the product documentation for exact warranty terms.