Cloyes 9-5512 Engine Timing Chain Tensioner - Left

Reliable Engine Timing Chain Tensioner for Select GM and Isuzu Models

The Cloyes 9-5512 engine timing chain tensioner is designed to maintain optimal chain tension in specific Buick, Chevrolet, GMC, Hummer, Isuzu, Oldsmobile, and Saab vehicles. Engineered with a cast material body and hydraulic/spring chain type, this tensioner ensures consistent performance without manual adjustment.

• Constructed from durable cast material for long-lasting strength
• Hydraulic/spring chain type for automatic tension adjustment
• Includes shoe and spring components for complete assembly
• Specific fitment for models like Chevrolet Trailblazer, GMC Envoy, and Isuzu Ascender
• Compact dimensions: 1.96" length, 2.21" width, 0.94" height
• Activation via tab mechanism for reliable operation
• Two mounting holes with 0.34" inside diameter for secure installation

Detailed Product Description

The Cloyes 9-5512 engine timing chain tensioner is a non-adjustable, hydraulic/spring type tensioner designed to maintain proper chain tension automatically. Its cast construction provides durability under engine operating conditions, while the included shoe and spring ensure smooth chain engagement and tensioning. The tensioner features a tab activation type and two mounting holes for precise fitment. This part is specifically engineered for compatibility with select Buick, Chevrolet, GMC, Hummer, Isuzu, Oldsmobile, and Saab models, including the Chevrolet Trailblazer, GMC Envoy, and Isuzu Ascender, among others.

Common Applications and Issues Addressed

• Prevents timing chain slack and reduces chain noise
• Helps avoid engine timing misalignment and potential damage
• Eliminates the need for manual tension adjustments
• Replaces worn or faulty tensioners to restore engine performance
• Addresses timing chain vibration and premature wear

Installation Notes and Tips

Installation of the Cloyes 9-5512 tensioner requires removal of the timing cover and careful alignment with the engine’s mounting points. Ensure the mounting holes align correctly with the engine block using the two 0.34" diameter holes. The tensioner is not manually adjustable, so proper installation is critical for optimal function. It is recommended to inspect the timing chain and related components during installation to ensure overall system integrity.

Quality Assurance and Warranty

Cloyes manufactures this engine timing chain tensioner to meet or exceed OEM specifications for fit, form, and function. The cast material and hydraulic/spring design provide reliable performance under normal operating conditions. While specific warranty details may vary, Cloyes parts typically come with a limited warranty against defects in material and workmanship. Always consult product documentation or the supplier for exact warranty terms.