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What are the consequences of a car timing chain skipping teeth?

1 Answers

MacArya

07/29/25 8:15pm

The consequences of a car timing chain skipping teeth are: the acceleration may feel less powerful than before, fuel consumption may increase, and the engine sound may become slightly muffled. The functions of the timing chain are: 1. To drive the engine's valve train, ensuring that the intake and exhaust valves open and close at the appropriate times; 2. To guarantee that the engine cylinders can properly intake and exhaust air. The replacement method for the timing chain is: 1. Remove the valve cover and then the timing chain housing; 2. Rotate the crankshaft to align the first cylinder at top dead center and secure the crankshaft with the fixing bolt; 3. Rotate the intake and exhaust camshafts; there are grooves at the rear of the camshafts—align these grooves evenly; 4. Remove the old chain and install the new one; 5. Ensure there is no gap at the crankshaft position sensor during installation to avoid triggering fault codes.

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