Dorman 46021CD PCV Valve Elbow

Reliable PCV Valve Elbow for Buick, Chevrolet, Oldsmobile, and Pontiac

The Dorman 46021CD PCV valve elbow is designed to maintain proper crankcase ventilation in select Buick, Chevrolet, Oldsmobile, and Pontiac vehicles. This rubber elbow ensures a secure connection with its push-on attachment method, providing a durable and leak-free fit for models like the Alero, Malibu, and Grand Prix.

Key Features of the Dorman 46021CD PCV Valve Elbow

• Inlet diameter of 0.22 inches and outlet diameter of 0.38 inches for precise fitment
• Constructed from durable rubber material for flexibility and resistance to engine heat
• Push-on attachment method allows for easy installation without additional hardware
• Includes one elbow and one hose in the package for a complete replacement
• Compatible with multiple GM makes and models including Buick Alero, Chevrolet Impala, and Pontiac Grand Am

Detailed Description of the PCV Valve Elbow

The Dorman 46021CD PCV valve elbow is an essential component of the crankcase ventilation system, designed to connect the PCV valve to the intake manifold or hose assembly. Made from high-quality rubber, this elbow withstands the harsh conditions under the hood, including exposure to oil vapors and engine heat. The inlet and outlet diameters of 0.22 and 0.38 inches respectively ensure a precise fit, reducing the risk of leaks or disconnections. Its push-on attachment method simplifies installation, eliminating the need for clamps or additional hardware. This part is compatible with a range of GM vehicles such as the Chevrolet Monte Carlo, Oldsmobile Silhouette, and Pontiac Rendezvous, making it a versatile replacement option.

Common Applications and Issues Addressed

• Restores proper crankcase ventilation to prevent engine pressure buildup
• Eliminates vacuum leaks caused by cracked or worn PCV valve elbows
• Prevents oil leaks and contamination in the intake system
• Helps reduce harmful emissions by maintaining correct PCV system function
• Addresses rough idling or engine performance issues related to faulty ventilation components

Installation Notes and Tips

• Ensure the engine is cool before beginning installation to avoid burns
• Remove the old PCV valve elbow carefully to avoid damaging surrounding hoses
• Push the new elbow firmly onto the PCV valve and hose connections for a secure fit
• No additional hardware is required, but inspect adjacent components for wear
• Verify proper routing of the hose to prevent kinks or restrictions

Quality Assurance and Warranty Information

Dorman manufactures the 46021CD PCV valve elbow to meet or exceed OEM specifications for durability and fitment. The rubber construction is tested for resistance to heat and chemical exposure typical in engine compartments. While specific warranty details may vary, Dorman parts generally come with a limited warranty covering defects in material and workmanship. This ensures reliable performance and peace of mind when replacing the PCV valve elbow on your Buick, Chevrolet, Oldsmobile, or Pontiac vehicle.