Dayco 89356 Accessory Drive Belt Tensioner Assembly

Overview of Dayco Accessory Drive Belt Tensioner Assembly 89356

The Dayco accessory drive belt tensioner assembly 89356 is designed for reliable serpentine belt tensioning in select Chevrolet, Pontiac, and Toyota vehicles. This hydraulic assembly ensures consistent belt tension and smooth operation for your vehicle's accessory drive system.

• Serpentine belt type tensioner assembly
• Counter clockwise direction operation
• Single pulley design with 70mm diameter
• Pulley width of 26mm with flat surface
• Hydraulic tensioner assembly for precise belt tension

Detailed Product Description

The Dayco 89356 accessory drive belt tensioner assembly features a hydraulic design that maintains optimal tension on serpentine belts, reducing belt slip and wear. The single pulley has a diameter of 70mm and a 26mm width with a flat surface, engineered to provide smooth belt tracking and reduce noise. This tensioner operates in a counter clockwise direction, matching the accessory drive system requirements of compatible vehicles. It is specifically designed for use in Chevrolet, Pontiac, and Toyota models including the Celica, Corolla, Matrix, MR2 Spyder, Prizm, and Vibe.

Compatible Vehicles and Applications

This tensioner assembly is compatible with the following makes and models:

• Chevrolet Prizm and Vibe
• Pontiac Vibe
• Toyota Celica, Corolla, Matrix, MR2 Spyder, and Prizm

Using the correct tensioner assembly like Dayco part number 89356 ensures proper serpentine belt tension and accessory drive performance in these vehicles.

Common Issues Addressed by This Tensioner Assembly

• Eliminates belt slippage and squealing noises
• Prevents premature serpentine belt wear
• Maintains consistent belt tension under varying engine loads
• Reduces risk of accessory drive component damage
• Improves overall engine accessory system reliability

Installation Notes and Tips

• Ensure the tensioner is installed with the pulley rotating counter clockwise as specified
• Verify pulley alignment and belt routing before final installation
• Use proper tools to relieve tension safely during belt replacement
• Inspect serpentine belt condition and replace if worn
• Follow vehicle manufacturer torque specifications for mounting bolts

Quality Assurance and Warranty

Dayco accessory drive belt tensioner assemblies are manufactured to meet or exceed OEM specifications. The hydraulic design provides consistent performance and durability. While specific warranty terms may vary, Dayco products typically include a limited warranty against defects in materials and workmanship. Refer to Dayco documentation for detailed warranty information.