Understanding the Importance of the Timing Chain Sub-Assembly

The timing chain sub-assembly is an essential component in your vehicle's engine. It synchronizes the rotation of the crankshaft and camshaft, ensuring that the engine's valves open and close at the proper times during each cylinder's intake and exhaust strokes. This coordination is crucial for optimal engine performance and fuel efficiency.

How the Timing Chain Sub-Assembly Works

Unlike timing belts, timing chains are made of metal and are designed to last much longer. The chain operates inside the engine, where it is lubricated by engine oil. It wraps around a series of gears and sprockets, maintaining precise timing through tensioners that keep it tight against the camshaft and crankshaft gears.

Consequences of a Broken Timing Chain

When a timing chain breaks or jumps a tooth, the engine can suffer catastrophic damage. Valves may clash with pistons, leading to severe engine damage and costly repairs. You'll notice symptoms such as rattling noises from the engine, poor performance, misfires, or even a complete refusal to start, making it imperative to address any timing chain issues promptly.

Compatibility

This part is specifically designed for robust performance and high durability. Ensure your vehicle's engine runs smoothly by replacing the timing chain as needed. Compatible models include:

• Coaster
• Dyna
• Fortuner
• Fortuner (Suv)
• Granace
• Grnva/Hiace/Mjsty
• Hiace
• Hiace/Regiusace
• Hilux
• Hilux (Double Cab)
• Hilux (Scb/Xtr)
• Land Cruiser
• Land Cruiser Prado