The timing chain synchronizes your engine's internal parts and is built to last, but it can stretch or wear over high mileage. A rattling noise or warning code often signals it needs attention. Replacing a worn chain protects your engine and restores smooth, reliable performance.
Find a TechnicianA rattling noise on startup, a check engine light, or rough running are common signs. A mechanic can confirm with a scan and inspection before recommending replacement.
Timing chains are designed to last much longer than belts and often go the life of the engine. They're usually replaced only when they stretch or wear, not on a fixed schedule.
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