Essential Timing Chain for Optimal Engine Performance

The engine timing chain is a critical component of the engine's internal mechanism. Its main function is to sync the rotation of the crankshaft with the camshaft(s), ensuring that the engine's valves open and close at the precise time during the intake and exhaust strokes.

How Timing Chains Ensure Engine Harmony

A timing chain is a robust metal link chain, much stronger than a timing belt. It is part of a timing chain kit, which often includes tensioners, guides, and sprockets. This durable piece is designed to last for a significant portion of your vehicle’s life. However, unlike belts, they are not typically part of routine maintenance but they do require occasional monitoring and replacement.

Consequences of a Failing Timing Chain

If your timing chain breaks or malfunctions, the engine will not run properly—if at all. Symptoms can range from rough idling or difficulty starting the engine to catastrophic engine failure. To prevent potential damage, any signs of timing chain wear or failure should prompt immediate inspection and replacement.

Compatibility

• M35/45
• Qx50/Ex
• Q40/G Sedan
• Q70/M
• G35
• Fx35/45