Dorman 46070 PCV Valve Elbow

Overview of Dorman PCV Valve Elbow for Audi and Volkswagen

The Dorman 46070 PCV Valve Elbow is designed specifically for emission control systems in select Audi and Volkswagen models. This rubber elbow provides a reliable connection within the crankcase ventilation system, ensuring proper airflow and emission regulation for vehicles like the Audi A4, A4 Quattro, and Volkswagen Passat.

• Inlet diameter: 0.73 inches
• Outlet diameter: 0.81 inches
• Material: durable rubber construction
• Attachment method: push-on and clamp for secure fit
• Package includes one hose; installation hardware not included

Detailed Product Description

The Dorman 46070 PCV Valve Elbow is engineered to maintain the integrity of the crankcase ventilation system by providing a flexible yet secure connection between components. Its rubber material offers resistance to heat and oil vapors commonly found in engine compartments. The inlet and outlet diameters of 0.73 and 0.81 inches respectively ensure compatibility with factory specifications for the Audi A4, A4 Quattro, and Volkswagen Passat models. The push-on and clamp attachment method simplifies installation while maintaining a tight seal to prevent leaks.

Common Applications and Problem Resolution

This PCV valve elbow is used in the emission control system to route crankcase gases back into the intake manifold for combustion, reducing harmful emissions and improving engine efficiency. It addresses issues such as:

• Crankcase vapor leaks causing engine performance problems
• Excessive oil consumption due to faulty ventilation connections
• Check engine light triggered by emission system faults
• Rough idling or stalling related to PCV system malfunctions
• Failed emissions tests due to improper crankcase ventilation

Installation Notes and Tips

Installation of the Dorman 46070 PCV Valve Elbow requires no additional hardware, as it uses a push-on and clamp attachment method. Ensure the mating surfaces are clean and free of debris before installation to achieve a proper seal. It is recommended to inspect the surrounding hoses and clamps for wear during replacement. This part is compatible with the crankcase ventilation systems of Audi A4, A4 Quattro, and Volkswagen Passat models, so verify vehicle fitment before installation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 46070 PCV Valve Elbow undergoes quality checks to ensure durability and performance in emission control applications. While installation hardware is not included, the product is backed by Dorman's limited warranty against defects in material and workmanship, providing confidence in its reliability for Audi and Volkswagen vehicles.