Dorman 82589 Power Steering Reservoir Cap

Power Steering Reservoir Cap for Select GM Vehicles

The Dorman 82589 power steering reservoir cap is designed to provide a secure seal for the power steering fluid reservoir on various Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models. This cap features a screw-on attachment type and includes a dipstick for easy fluid level checks.

• Durable construction combining metal, plastic, and rubber materials
• Screw-on attachment ensures a tight, leak-resistant fit
• Includes dipstick for convenient fluid monitoring
• Black finish with a diameter of 1.65 inches and height of 2.058 inches
• Compatible with multiple GM vehicles including Camaro, Impala, Malibu, and more

Durable Materials and Design

The Dorman 82589 power steering reservoir cap is constructed using a combination of metal, plastic, and rubber components to provide durability and reliable sealing performance. The metal and plastic materials offer resistance to wear and corrosion, while the rubber gasket ensures a tight seal to prevent fluid leaks. The screw-on design allows for easy installation and removal without compromising the integrity of the reservoir.

Compatible GM Makes and Models

This power steering reservoir cap is compatible with a wide range of General Motors vehicles, including Buick Achieva, Century, Regal, and Skylark; Cadillac Calais; Chevrolet Camaro, Cavalier, Impala, Lumina, Malibu, Monte Carlo, and Montana; Oldsmobile Cutlass, Cutlass Calais, Cutlass Ciera, Cutlass Supreme, Firenza; and Pontiac Aztek, Firebird, Grand Am, Grand Prix, Sunbird, Sunfire, Rendezvous, Silhouette, and Trans Sport. The Dorman 82589 cap is designed to meet the specifications required for these models, ensuring proper fit and function.

Common Applications and Problem Resolution

• Prevents power steering fluid leaks caused by worn or damaged caps
• Maintains proper fluid pressure within the power steering system
• Helps avoid contamination of power steering fluid
• Facilitates accurate fluid level checks with the included dipstick
• Replaces missing or cracked reservoir caps to restore system integrity

Installation Notes and Tips

Installation of the Dorman 82589 power steering reservoir cap is straightforward due to its screw-on design. Before installation, ensure the reservoir neck is clean and free of debris. Screw the cap on firmly by hand until secure, but avoid over-tightening to prevent damage to the threads or gasket. Use the dipstick to verify fluid levels during routine maintenance.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 82589 power steering reservoir cap undergoes quality checks to ensure durability and reliable sealing performance. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship.