Dorman 626-588 Engine Coolant Air Bleeder

Overview of the Dorman 626-588 Engine Coolant Air Bleeder

The Dorman 626-588 Engine Coolant Air Bleeder is designed to support efficient coolant system maintenance for select Buick, Cadillac, and Chevrolet vehicles. This plastic heater hose assembly helps ensure proper coolant flow and air removal in the engine cooling system.

• Compatible with Buick Allure and LaCrosse models
• Fits Cadillac SRX and XTS vehicles
• Also suitable for Chevrolet Impala
• Part number 626-588 for precise identification
• Constructed from durable plastic with a black finish
• Includes two ports with outside diameters of 0.65 and 0.31 inches
• Two mounting holes with bolt hole diameters of 0.31 and 0.29 inches
• Comes with O-rings included for sealing
• Housing neck angle set at 45 degrees for optimal fitment

Detailed Product Description

The Dorman 626-588 Engine Coolant Air Bleeder is engineered to facilitate the removal of trapped air from the engine coolant system, which is critical for maintaining proper engine temperature and preventing overheating. This part features two ports with outside diameters of 0.65 inches and 0.31 inches, allowing for secure hose connections. The housing neck is angled at 45 degrees to accommodate specific engine layouts in Buick, Cadillac, and Chevrolet models. The assembly includes two mounting holes with bolt diameters of 0.31 and 0.29 inches, ensuring stable installation. Although bolts and gaskets are not included, the package contains O-rings to provide a reliable seal and prevent leaks. The black plastic construction offers resistance to corrosion and heat exposure common in engine compartments.

Common Applications and Problem Resolution

• Helps eliminate air pockets in the coolant system that can cause engine overheating
• Prevents coolant leaks by maintaining a secure seal with included O-rings
• Supports proper heater hose assembly function to ensure consistent cabin heating
• Addresses coolant flow interruptions that may lead to engine performance issues
• Facilitates routine engine coolant system maintenance for Buick, Cadillac, and Chevrolet vehicles

Installation Notes and Tips

• Verify compatibility with your vehicle model: Buick Allure, LaCrosse; Cadillac SRX, XTS; Chevrolet Impala
• Ensure mounting holes align correctly with existing bolt locations
• Use appropriate bolts (not included) matching the 0.31 and 0.29 inch bolt hole diameters
• Inspect O-rings before installation to confirm they are seated properly for leak prevention
• Follow vehicle manufacturer guidelines for coolant system bleeding procedures

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 626-588 Engine Coolant Air Bleeder undergoes quality checks to ensure durability and reliable performance in engine cooling systems. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Refer to Dorman’s official warranty policy for complete information.