Engine Timing Chain Assembly

This internal engine chain is a key part of the timing system. It is needed to keep the crankshaft and camshaft perfectly synchronized, so valves open and close at the right moment. When timing is correct, you get stable idle, strong pull under load, and cleaner combustion.

How It Works ⚙️

The chain runs over sprockets and is controlled by guides and a tensioner. As the crankshaft turns, the chain drives the camshaft(s),keeping valve timing accurate through all RPM ranges. Compared with a belt, a chain is built for long service life and better resistance to heat and oil exposure.

What If It’s Worn or Broken

A stretched or damaged chain can cause rattling on cold start, rough running, misfires, weak acceleration, and a check engine light. If it jumps timing, the engine may not start. In severe cases, wrong timing can lead to valve-to-piston contact and major engine damage. Replacing it on time protects the whole valve train and restores smooth, reliable performance.

Compatible Models ✅

• Coaster
• Dyna/Toyoace
• Fortuner
• Fortuner (Suv)
• Hiace
• Hiace/Regiusace
• Hilux
• Hilux (Double Cab)
• Hilux (Scb/Xtr)
• Hilux Champ
• Innova
• Innova/Kijang Innova
• Land Cruiser
• Land Cruiser Prado
• Tacoma