Atiming chain service is not in the 2013 maintenance schedule . You are correct, despite what a few clueless people have been spouting and fear mongering on this sub, the 3.0T is an extremely reliable engine. It will undoubtedly go down as one of the best engines Audi has ever made, a future classic in the eyes of many. SetTDC #1 by removing head, cams or studying cam lobes vs. piston position and rotating stuff by hand. Install that 3-way gear, thrust washer and crank bolt. (WATCH THE SPURS!) Set timing on the balance shafts using the dots on the gears. Use your T40271 and lock the exhaust cam only. (marks point up) Line the chain up around PostedMarch 26, 2023 Hi, is there dotted anywhere in here a timing belt replacement/instructional guide? I’ve done the usual YouTube watching but they all appear to me not my engine. Some of the belt layouts seem ModelEngine versions Kilometres / interval due All TDI models All TDI 60,000km Replacing ribbed V-belt Model Engine versions Kilometres / interval due All models All 60,000km Replacing the toothed belt Model Engine versions Kilometres / interval due A1 1.0|1.4TFSI 120,000km A3 1.0|1.4TFSI|1.6TDI 120,000km A4|A4 allroad 1.4TFSI|2.0TDI 120,000km A4(B5 Platform) Discussion - Timing belt change interval - I was reading my owners manual last night and am happy to report that th 1.8 engine requires timing belt changes at 120K. This is a relief since it sounds really expensive to replace. Although I am somewhat surprised that it has a belt at all, starting with BxvclH.