Dorman 603-089 Engine Coolant Reservoir - Front

Overview of Dorman Engine Coolant Reservoir for Chevrolet Equinox and Pontiac Torrent

The Dorman 603-089 engine coolant reservoir is designed specifically for Chevrolet Equinox and Pontiac Torrent models. This clear plastic coolant reservoir includes a spring loaded twist cap and mounting brackets, providing a reliable replacement part for your vehicle's cooling system.

• Material: Durable clear plastic construction
• Cap Type: Spring loaded twist cap included
• Pressurized reservoir with a 15 psi maximum pressure rating
• Includes mounting brackets; requires 2 mounting holes
• Package contents: 1 coolant reservoir and 1 cap

Detailed Product Description

The Dorman 603-089 engine coolant reservoir is engineered to meet the specifications of Chevrolet Equinox and Pontiac Torrent vehicles. Made from clear plastic, it allows for easy monitoring of coolant levels. The reservoir is pressurized, supporting up to 15 psi, which helps maintain proper coolant system pressure and prevents overheating. The included spring loaded twist cap ensures a secure seal and proper pressure release. Mounting brackets are included for straightforward installation, although mounting hardware is not provided. This reservoir requires two mounting holes for secure attachment.

Common Applications and Problem Resolution

• Replacement for cracked or leaking coolant reservoirs
• Resolves coolant overflow and loss issues
• Prevents engine overheating caused by coolant system failure
• Restores proper coolant pressure with included pressurized cap
• Eliminates coolant contamination from damaged or worn reservoirs

Installation Notes and Tips

Before installation, ensure the engine is cool to avoid injury from hot coolant. The Dorman 603-089 reservoir mounts using two holes and the included brackets; however, mounting hardware is not included and must be sourced separately. Verify compatibility with your Chevrolet Equinox or Pontiac Torrent model year. Properly tighten the spring loaded twist cap to maintain system pressure and prevent leaks.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 603-089 engine coolant reservoir undergoes quality checks to ensure durability and performance. Warranty coverage details can be obtained from the product documentation or Dorman directly.