Timing chains are designed to last the life of the engine. Unless it becomes noisy it does not need replacing until the engine is rebuilt.
timing chain timing chain
How much to repair a timing chain on a 2003 Nissan murano
timing chain timing chain
timing chain timing chain
It has chain driven cam shafts
It has chain driven cam shafts
The chain must be changed over 200.000 km
Nissan switched from a timing belt to timing chains on the V6 VQ35DE motor between the 2004 and 2005 model years
Has a timing chain.
Since the Murano has a metal chain as opposed to a rubber timing belt, you should theoretically never need to replace the chain. It's not that it will last forever, but it should last as long as the other major engine components. Most modern engines can run 200,000 to 250,000 miles or more if properly maintained. The only reason you would want to change the timing chain is if you were dismantling the engine to replace the valves, pistons, or seals.
Does a 2007 Nissan Sentra have a timing belt or timing chain?
How much does it cost for labor to change a timing chain in a 2001 Alltima ?