The simple answer, Andrew, is that the 2.5-litre turbo-diesel engine in your Navara has a timing chain rather than a timing belt. However, it’s not that simple, as the engine uses two chains, rather ...
We were asked if it was necessary to change the timing chain on a D40 Navara and we correctly advised the reader that it wasn't. There is no requirement to change the chain regularly as there is on ...