Dorman 46056 PCV Valve Tubing

Reliable PCV Valve Tubing for Select GM Vehicles

The Dorman 46056 PCV valve tubing is designed to maintain proper crankcase ventilation in various Buick, Cadillac, Chevrolet, and Pontiac models. Constructed from durable rubber, this tubing ensures a secure slip-on attachment and precise fit for optimal engine performance.

• Made from high-quality rubber material for flexibility and durability
• Slip-on attachment method for straightforward installation
• Inside diameters of 0.441 and 0.343 inches for accurate fitment
• Outside diameters of 0.587 and 0.657 inches to match OEM specifications
• Compatible with multiple GM vehicles including Camaro, Corvette, CTS, Grand Prix, GTO, Impala, LaCrosse, and Monte Carlo

Detailed Product Description

The Dorman 46056 PCV valve tubing is engineered to replace worn or damaged crankcase ventilation hoses in select GM vehicles. Its rubber construction provides resistance to heat and oil vapors, helping to maintain the integrity of the crankcase ventilation system. The tubing features two inside diameter measurements (0.441 and 0.343 inches) and two outside diameters (0.587 and 0.657 inches), ensuring a precise fit that matches original equipment specifications. The slip-on attachment method simplifies installation without compromising the seal, reducing the risk of leaks and maintaining proper engine ventilation.

Common Applications and Issues Addressed

• Prevents crankcase pressure buildup that can cause oil leaks
• Replaces cracked or brittle PCV valve tubing to restore proper ventilation
• Helps reduce engine emissions by maintaining correct crankcase airflow
• Eliminates rough idling or stalling caused by faulty PCV components
• Supports engine performance in Buick, Cadillac, Chevrolet, and Pontiac models

Installation Notes and Tips

Ensure the engine is cool before beginning installation. Remove the old PCV valve tubing carefully to avoid damaging surrounding components. The slip-on design of the Dorman 46056 tubing allows for easy replacement; verify that the tubing is fully seated on both ends to prevent leaks. Inspect related PCV system components during installation for optimal results.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The 46056 PCV valve tubing undergoes quality checks to ensure proper fit and function. Please refer to Dorman's warranty policy for specific coverage details.