PWR 42-1888 Rack and Pinion Assembly

Overview of PWR Hydraulic Rack and Pinion Assembly

The PWR 42-1888 hydraulic rack and pinion assembly is designed specifically for Toyota Sienna models, providing reliable steering performance. This rack and pinion unit includes essential components to ensure smooth and responsive steering control.

• Hydraulic type rack and pinion assembly
• Includes inner tie rods and mounting brackets
• Two mounting holes for secure installation
• Gasket and seal included for leak prevention
• End to end length of 1300 mm
• Steering input shaft with 36 splines and 17.3 mm diameter
• Female inlet and outlet line fittings with 17 mm and 16 mm diameters respectively
• Total steering turns lock to lock: 2.9

Detailed Product Description

The PWR 42-1888 rack and pinion assembly is engineered for the Toyota Sienna, offering a hydraulic steering system that balances precision and durability. This assembly comes with inner tie rods and mounting brackets included, facilitating a straightforward installation process. The unit features two mounting holes to ensure a secure fit within the vehicle's steering system. It also includes a gasket and seal to maintain hydraulic fluid integrity and prevent leaks. The steering input shaft is designed with 36 splines and a diameter of 17.3 mm, matching the specifications required for the Toyota Sienna. The inlet and outlet line fittings are female with diameters of 17 mm and 16 mm, respectively, ensuring compatibility with the vehicle's hydraulic lines. With a total of 2.9 turns from lock to lock, this rack and pinion assembly provides responsive steering control suitable for everyday driving conditions.

Common Applications and Problem Resolution

• Replaces worn or leaking hydraulic rack and pinion units on Toyota Sienna
• Addresses steering play or looseness issues
• Fixes hydraulic fluid leaks in the steering system
• Restores proper steering response and handling
• Corrects uneven or difficult steering effort

Installation Notes and Tips

Installation of the PWR 42-1888 rack and pinion assembly requires attention to hydraulic line connections and mounting hardware. Although mounting brackets and inner tie rods are included, outer tie rods and mounting hardware are not supplied and must be sourced separately. Ensure the gasket and seal are properly seated to prevent leaks. Verify the steering input shaft spline count and diameter match the vehicle specifications before installation. Bleeding the hydraulic steering system after installation is necessary to remove air and ensure optimal performance.

Quality Assurance and Warranty Information

PWR manufactures this rack and pinion assembly to meet OEM specifications for the Toyota Sienna. The inclusion of seals and gaskets helps maintain system integrity and durability. While specific warranty details are not provided, PWR products typically adhere to industry standards for quality and reliability. It is recommended to consult the product documentation or manufacturer for warranty coverage information.