Timing belts have a recommended replacement interval, while timing chains are generally rated for the engines lifetime, although they need to be inspected occasionally. Audi Q7 Timing Belt Or Chain (2007 - 2023) Year. Engine. Belt Or Chain. Interference. Service Interval. 2023. 3.0L V6 Turbocharged.
In this year range only the 2.0 tdi has a belt and the others are chain driven. 2016 - 2017: In the latest generation, the 1.4, 2.0 TFSI A4 models and the 3.0 V6 have a timing chain.09-04-2023, 06:49 PM # 1 wojzal AudiWorld Junior Member Thread Starter Join Date: May 2018 Posts: 16 Likes: 0 Received 0 Likes on 0 Posts Timing chain replacement on 3.0 Common Rail TDI engine. I have attempted to replace a timing components (chains, slides, tensioner, etc) on CPNB engine. I followed all steps from the Audi Workshop manual.7vfMT. 705 476 744 753 746 361 949 803