Dorman 979-0004 Power Steering Return Hose

Overview of Dorman Power Steering Return Hose 979-0004

The Dorman 979-0004 power steering return hose is designed specifically for Toyota Corolla models, providing a reliable solution for your vehicle's steering system. This natural-colored hose features durable metal and rubber construction to ensure long-lasting performance.

• Length: 8 inches
• Inside Diameter: 0.4 inches
• Outside Diameter: 0.7 inches
• Ends: Hose clamp on one side, male threads on the other
• Includes O-rings for secure sealing
• Constructed with metal and rubber lining and outer material
• Package contains one power steering return hose

Detailed Product Description

The Dorman 979-0004 power steering return hose is engineered to meet the specifications required for Toyota Corolla vehicles. Its 8-inch length and precise inside and outside diameters (0.4 and 0.7 inches respectively) ensure proper fluid flow and fitment. The hose features a combination of metal and rubber materials both inside and out, providing resistance to wear, heat, and pressure commonly found in power steering systems. One end is equipped with a hose clamp for secure attachment, while the other end has male threads to connect seamlessly with the steering components. Included O-rings help maintain a tight seal, preventing leaks and maintaining system integrity.

Common Applications and Issues Addressed

• Replacement of worn or cracked power steering return hoses on Toyota Corolla
• Eliminating power steering fluid leaks caused by damaged hoses
• Restoring proper fluid circulation within the power steering system
• Preventing steering noise or stiffness related to hose failure
• Maintaining hydraulic pressure for smooth steering response

Installation Notes and Tips

When installing the Dorman 979-0004 power steering return hose, ensure the vehicle is safely lifted and the steering system is depressurized. Verify that the hose length and diameters match the original equipment. Use the included O-rings to create a secure seal and tighten the hose clamp and threaded connections properly to avoid leaks. Inspect surrounding components for wear during installation to maintain overall system reliability.

Quality Assurance and Warranty

Dorman power steering components are manufactured to meet or exceed OEM standards for fit, form, and function. The 979-0004 power steering return hose undergoes rigorous quality control to ensure durability and performance. While specific warranty details are not provided here, Dorman typically offers limited warranties on their replacement parts to cover defects in materials and workmanship.