Is the Corolla's timing belt a chain?

1 Answers
MacEden
07/29/25 9:57pm
The Corolla uses a timing chain. The main function of the engine timing belt is to drive the engine's valve train, ensuring that the intake and exhaust valves open and close at the appropriate times to allow normal air intake and exhaust in the engine cylinders. Below are the steps for replacing the timing belt: 1. Remove the valve cover, detach the crankshaft pulley, and take off the timing chain cover. Rotate the crankshaft to align the first cylinder at top dead center, then secure the crankshaft by tightening the fixing screw. 2. Rotate the intake and exhaust camshafts. There are grooves at the rear of the camshafts; align these grooves evenly and insert the specialized tool. 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 it is properly adjusted without gaps during installation to avoid fault codes. Both the crankshaft sprocket and pulley can rotate freely.
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