Dayco 89367 Accessory Drive Belt Tensioner Assembly - Supercharger

Overview of Dayco Accessory Drive Belt Tensioner Assembly 89367

The Dayco Accessory Drive Belt Tensioner Assembly 89367 is designed for reliable serpentine belt tensioning in select Buick, Chevrolet, and Pontiac vehicles. This automatic tensioner ensures consistent belt tension and smooth operation for models like the Grand Prix, Impala, Monte Carlo, and Regal.

• Serpentine belt type compatible
• Automatic tensioner design for consistent performance
• Counter clockwise rotation direction
• Single pulley with 76 mm diameter and 31 mm width
• Pulley features a flat surface for optimal belt contact

Technical Details and Specifications

This accessory drive belt tensioner assembly features an automatic mechanism that maintains proper tension on the serpentine belt, reducing wear and improving belt life. The tensioner rotates counter clockwise and includes one pulley with a diameter of 76 mm and a width of 31 mm. The pulley surface is flat, which helps maintain stable belt alignment and reduces slippage. The Dayco 89367 tensioner is engineered to meet the specific requirements of Buick Grand Prix, Chevrolet Impala, Monte Carlo, and Pontiac Regal models, ensuring precise fitment and function.

Compatible Vehicles and Applications

This tensioner assembly is compatible with the following vehicles:

• Buick Grand Prix
• Chevrolet Impala
• Chevrolet Monte Carlo
• Pontiac Regal

It is designed to work with the serpentine belt system in these models, providing reliable tension control for accessory drive components.

Common Issues Addressed by This Tensioner

• Eliminates belt slippage caused by improper tension
• Prevents premature belt wear and cracking
• Reduces noise from loose or misaligned belts
• Maintains consistent accessory drive performance
• Helps avoid engine overheating due to belt failure

Installation Notes and Tips

When installing the Dayco 89367 tensioner, ensure the serpentine belt is properly routed according to the vehicle’s belt diagram. Use appropriate tools to relieve tension safely before removal. Verify the pulley rotates smoothly in the counter clockwise direction and that the belt sits flat on the pulley surface. Double-check belt alignment and tension after installation to prevent premature wear.

Quality Assurance and Warranty

Dayco manufactures this accessory drive belt tensioner assembly to meet or exceed OEM specifications. The automatic tensioner design provides consistent performance and durability. While specific warranty details may vary, Dayco products typically include a limited warranty against defects in materials and workmanship, offering confidence in long-term reliability for your Buick, Chevrolet, or Pontiac vehicle.