Dayco 89319 Accessory Drive Belt Tensioner Assembly

Overview of Dayco Accessory Drive Belt Tensioner Assembly

The Dayco 89319 accessory drive belt tensioner assembly is designed for Chrysler and Dodge vehicles, specifically the Neon and PT Cruiser models. This automatic tensioner supports serpentine belt systems, ensuring proper belt tension and smooth engine operation.

• Compatible with Chrysler Neon and Dodge PT Cruiser
• Automatic tensioner type for consistent belt tension
• Single pulley design with 70mm diameter and 19mm width
• Counter clockwise rotation direction
• Supports serpentine belt systems
• Pulley features a flat surface for optimal belt contact

Detailed Product Description

The Dayco 89319 accessory drive belt tensioner assembly is engineered to maintain the correct tension on serpentine belts in select Chrysler and Dodge vehicles. Featuring an automatic tensioner mechanism, it adjusts belt tension dynamically to reduce slippage and wear. The assembly includes a single pulley with a 70mm diameter and 19mm width, designed with a flat surface to provide stable belt engagement. The pulley rotates counter clockwise, matching the original equipment specifications for the Neon and PT Cruiser models. This tensioner is a critical component in the accessory drive belt system, helping to ensure reliable operation of engine accessories such as the alternator, power steering pump, and air conditioning compressor.

Common Applications and Issues Addressed

• Prevents belt slippage and squealing noises
• Reduces premature belt wear and extends belt life
• Maintains proper tension to avoid accessory drive system failure
• Eliminates vibration and misalignment in the belt system
• Restores smooth operation of engine-driven accessories

Installation Notes and Tips

When installing the Dayco 89319 tensioner assembly on Chrysler Neon or Dodge PT Cruiser models, ensure the serpentine belt is properly routed according to the vehicle’s belt diagram. Use appropriate tools to relieve tension from the old tensioner before removal. Verify the pulley rotates counter clockwise and that the flat pulley surface aligns with the belt. After installation, double-check belt tension and alignment to prevent premature wear. It is recommended to inspect the belt and related components for wear during replacement.

Quality Assurance and Warranty

Dayco manufactures the 89319 accessory drive belt tensioner assembly to meet or exceed OEM specifications for Chrysler and Dodge vehicles. The automatic tensioner design ensures consistent performance and durability. This part is backed by Dayco’s quality standards, providing reliable operation for the Neon and PT Cruiser accessory drive belt systems. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.