What is the lifespan of the EA111 timing chain?

[SanKeegan]

EA111 timing chains are maintenance-free for life, but this is under the condition of normal and timely maintenance. The specific replacement interval should be based on the instructions in the vehicle's maintenance manual. Depending on driving conditions, the lifespan of the timing chain may vary. Additional relevant information is as follows: 1. Compared to timing belts, timing chains have a longer service life and higher reliability. Additionally, timing chains can be tensioned by a tensioner to maintain an appropriate preload level, and they are also maintenance-free for life. 2. The lifespan of an EA211 timing chain can reach 150,000 to 200,000 kilometers, while the lifespan of the timing chain tensioner is only 80,000 to 100,000 kilometers. If the tensioner is damaged or excessively worn, it may fail to properly tension the timing chain, potentially leading to the risk of the timing chain disengaging from the timing gear.