Cloyes 9-5157 Engine Timing Chain Tensioner - Upper

Reliable Engine Timing Chain Tensioner for Ford and Mazda Vehicles

The Cloyes 9-5157 engine timing chain tensioner is designed specifically for select Ford and Mazda models, including the Aerostar, B4000, Bronco II, Explorer, Navajo, and Ranger. Engineered with durable nylon and aluminum materials, this tensioner ensures consistent chain tension and smooth engine operation.

• Constructed from nylon and aluminum for durability and lightweight performance
• Compatible with hydraulic and spring chain types
• Includes shoe and spring components for complete functionality
• Activation via a precise activation pin mechanism
• Specific fit for Ford and Mazda models listed, ensuring proper installation
• Includes gasket or seal for secure mounting and leak prevention
• Dimensions: 3.75" length, 2.14" width, 1.06" height with two mounting holes

Detailed Product Description

The Cloyes 9-5157 engine timing chain tensioner is a non-adjustable, specific-fit component designed to maintain optimal tension on the timing chain in compatible Ford and Mazda engines. Its nylon and aluminum construction balances strength and weight, while the included shoe and spring provide reliable chain engagement and tension. The activation pin ensures precise operation without manual adjustment, reducing the risk of improper tension settings. This tensioner is tailored for hydraulic and spring chain types, making it suitable for the timing systems in vehicles such as the Ford Explorer and Mazda Navajo. The included gasket or seal helps maintain a secure and leak-free installation, and the two mounting holes with a 0.27" inside diameter facilitate proper attachment.

Common Applications and Issues Addressed

• Prevents timing chain slack and reduces engine noise
• Helps avoid timing chain skipping or jumping teeth
• Reduces risk of premature chain wear or failure
• Maintains engine timing accuracy for optimal performance
• Addresses tensioner wear or failure symptoms in Ford and Mazda models

Installation Notes and Tips

• Ensure compatibility with your specific Ford or Mazda model before installation
• Use the included gasket or seal to prevent oil leaks
• Do not attempt manual adjustment; this tensioner is non-adjustable
• Verify proper alignment of the activation pin during installation
• Consult vehicle service manual for torque specifications and installation procedures

Quality Assurance and Warranty

Cloyes manufactures the 9-5157 engine timing chain tensioner to meet OEM specifications for fit and function. The use of high-quality nylon and aluminum materials supports durability under normal operating conditions. This part includes a gasket and spring to ensure a complete and reliable installation. While specific warranty details may vary, Cloyes products typically come with a limited warranty against defects in material and workmanship. Always verify warranty terms with the supplier or manufacturer.