All About Car — HOLDEN

Due to the timing chain life cycles is longer than the belt, more automakers now prefer using chain tensioner & sprocket for their better durability. Take Ford 4.0 Sohc as example, it is widely equipped on Ford models like 2001–2012 Ranger, Explore, Mercury Mountaineer and 2005-2010 Mustang. The timing chain design enhances these car models durability and save the money to replace the timing belt. However, over time, chain may stretch due to tension lost or the guide & sprocket wearing. More mechanics now may suggest to replace the chain kit every 100,000 miles to prevent the chain stretching problem. The...