These HPFP sprockets get wear on the roller surface. I'd replace anything over 100k miles if I was in a hurry to reassemble and ordering parts before hand. HPFP Chain Sprocket Early silver intake manifold car: 03H 109 570 HPFP Chain Sprocket Blk 2pc with vacuum pump cars: 03H 109 570 E Upper chain: 03H-109-503 Upper SLide rail: 03H 109 513 B 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. A timing chain or belt on a Audi Q5 makes sure the crankshaft and camshaft are in time and the valves are opening and closing at the precise moment to coincide with the cylinder combustion. A timing chain provides the same function as a timing belt but the chain is made out of metal and looks similar to a bicycle chain. 09 avant had burning issue, engine replaced by audi under warranty, all covered, compression issues years after.. 14 a6 TDI that had the least issues other then water pump, pvc, driping oil etc.. but timing chain went @165k, 18 s4 engine cam roller rocker issue, that I sold before it went bad. Audi Q7 TDI e-tron. 190 kW / 255 hp / 258 PS (4) | 2967 cc | 6 | VW EA897evo | CVZA. timing chain. (1) In combination with the 94 kW / 126 hp / 128 PS electric motor reaches the car system output of 270 kW / 362 hp / 367 PS. (2) In combination with the 94 kW / 126 hp / 128 PS electric motor reaches the car system output of 280 kW / 375 hp / 381 PS. This is applicable to the following models: (Q7 3.0L TDI, A8 3.0L TDI, A6 3.0L TDI, A7 3.0L TDI and Q5 3.0L TDI. The A8’s crash active headrest must be checked every 2 years. It's important to note the maintenance schedules for your Audi. Check out Overseas Service Haus' maintenance and service intervals. Replace Every 90,000 kilometers Only: A6 45 TFSI Spark plugs - Replace Every 45,000 kilometers or 3 years, whichever occurs first Only: RS 3, S6, S7, A8 L 60 TFSI, S8 LWB, SQ7, SQ8, RS Q8, TT RS Spark plugs - Replace Every 60,000 kilometers or 6 years, whichever occurs first Only: S3, A4 40 TFSI, A4 45 TFSI, A4 allroad® 45 TFSI, S4, SSP 223 1.2L and 1.4L TDI engines with PD; SSP 224 Service interval extension engines with timing chain; 09D in the Audi Q7; SSP 368 2 0L 125 kW TDI engine .

audi q7 3.0 tdi timing chain replacement interval