Dayco 89706 Accessory Drive Belt Tensioner Assembly - Main Drive

Overview of Dayco Accessory Drive Belt Tensioner Assembly 89706

The Dayco 89706 accessory drive belt tensioner assembly is designed for reliable performance in select Cadillac and Chevrolet vehicles. This automatic tensioner is engineered to maintain optimal serpentine belt tension, ensuring smooth operation of your Camaro or CTS accessory drive system.

• Compatible with Cadillac CTS and Chevrolet Camaro models
• Automatic tensioner type for consistent belt tension
• Counter clockwise direction of operation
• Single pulley design with a 90 mm diameter
• Pulley features 6 grooves and a width of 29.9 mm
• Designed specifically for serpentine belt systems

Technical Details and Specifications

The Dayco 89706 tensioner assembly features a single pulley with a 90 mm diameter and 6 grooves, optimized for serpentine belts commonly used in accessory drive systems. The pulley width measures 29.9 mm, providing proper belt alignment and tension. This automatic tensioner operates in a counter clockwise direction, which matches the belt routing requirements for the specified Cadillac and Chevrolet models. The design excludes a flat pulley surface, ensuring compatibility with grooved serpentine belts and reducing slippage.

Application and Problem Solving

This accessory drive belt tensioner assembly is intended for use in maintaining proper tension on the serpentine belt in Cadillac CTS and Chevrolet Camaro vehicles. It addresses common issues such as:

• Excessive belt slack causing noise or slipping
• Premature belt wear due to improper tension
• Accessory component misalignment
• Reduced efficiency of alternator, power steering, and A/C systems
• Vibration and belt flutter during engine operation

Installation Notes and Tips

When installing the Dayco 89706 tensioner assembly, ensure the belt is routed correctly according to the vehicle’s service manual. The counter clockwise rotation direction must be observed to avoid premature wear. Use proper tools to relieve tension from the old belt and carefully align the new tensioner pulley to prevent misalignment. Verify belt tension after installation to confirm proper operation.

Quality Assurance and Warranty

Dayco manufactures the 89706 tensioner assembly to meet OEM specifications for Cadillac and Chevrolet vehicles. The product undergoes rigorous quality control to ensure durability and reliable performance. While specific warranty details may vary, Dayco typically offers coverage against defects in materials and workmanship, providing confidence in the part’s longevity and function.