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Depending on make and model, your vehicle may use a timing chain instead of a belt — a more durable solution.
Depending on make and model, your vehicle may use a timing chain instead of a belt. Chains are more reliable and durable thanks to robust materials. Timing belts are typically replaced at 100,000–200,000 km depending on model and use.
Despite their strength, chains can stretch or break due to intensive use, seized pumps or rollers, or crankshaft/camshaft faults.
Experts recommend chain inspection every 100,000 km. If stretching is detected, replacement is required — ignoring the issue can cause chain failure and major engine damage far more costly than timely replacement.