What is this part?

The General Motors chain tensioner 96307680 is a genuine OEM engine component designed to maintain proper tension of the timing or drive chain.

What does it do?

This OEM chain tensioner applies controlled force to the timing or drive chain, preventing slack, vibration, and chain noise during engine operation. Depending on the design, it may use mechanical springs, hydraulic pressure, or a combination of both. A genuine General Motors chain tensioner is manufactured to factory specifications, ensuring precise tension control and reliable operation. Proper chain tension is essential for accurate timing, quiet operation, and preventing premature chain and sprocket wear.

When to replace

The General Motors chain tensioner 96307680 should be replaced if rattling noises on startup, timing errors, chain slack, or warning lights are observed. A worn or faulty tensioner can lead to timing deviation and severe engine damage. Installing a genuine OEM chain tensioner helps restore correct chain tension and engine reliability.

Compatibility

The genuine General Motors chain tensioner 96307680 is compatible with selected General Motors vehicles equipped with timing chain systems. This OEM component is engineered for precise fitment within the original timing assembly. Compatibility may vary depending on engine type, chain layout, and model year. Please verify the part number 96307680 before purchase.

Installation: DIY or service?

Installation of this genuine OEM General Motors chain tensioner 96307680 may require partial engine disassembly and timing alignment. Professional installation is strongly recommended to ensure proper timing and safe engine operation.