Where is the timing belt of the Corolla located?

[OHarrison]

The timing chain of the Corolla is located on the front crankshaft pulley of the engine. Below is an introduction to the relevant content: The main function of the engine timing belt is to drive the engine's valve train, enabling the intake and exhaust valves to open or close at the appropriate times, ensuring the engine cylinders can properly intake and exhaust air. Below are the steps for replacing the timing belt: 1. Remove the valve cover, take off the crankshaft pulley, and dismantle the timing chain cover; rotate the crankshaft to align it to the top dead center of the first cylinder, then tighten the crankshaft fixing screw to secure the crankshaft. 2. Rotate the intake and exhaust camshafts; there are grooves at the rear of the camshafts—align the grooves of both camshafts evenly. 3. Remove the old chain and install the new one. The crankshaft pulley does not have a keyway; during installation, align the round hole on the pulley with the groove on the timing chain cover. 4. The crankshaft position sensor is adjustable; ensure the gap is properly adjusted during installation to avoid triggering fault codes; both the crankshaft sprocket and pulley can rotate freely.