How many miles before replacing a timing chain for 2004 Nissan Murano?

For a 2004 Nissan Murano, the timing chain is designed to last the lifetime of the engine and typically does not require replacement unless there's an issue. However, it's advisable to have it inspected around 100,000 miles or more frequently if you notice any unusual noises or performance issues. Regular maintenance and monitoring can help ensure its longevity. Always refer to the owner's manual for specific guidance on maintenance intervals.