Sep 17, 2015. #7. desertstorm said: All the 3.0 TDI engines are cam chains that are designed to last the life of the car. I don't think there is a recommended change interval. They live at the back of the engine so replacement is an engine out job and is not cheap. Typically they seem to be good for 180-200K miles. Q5 45 TFSI, Q5 55 TFSIe, SQ5, Q7 45 TFSI, Q7 55 TFSI, Q8 55 TFSI, TTS Coupe Spark plugs - Replace Every 90,000 kilometers or 6 years, whichever occurs first Only: R8 Coupe, R8 Spyder Spark plugs - Replace Every 120,000 kilometers or 6 years, whichever occurs first Only: A3 40 TFSI, A3 45 TFSI, Q3 45 TFSI, TT Coupe 45 TFSI, TT Roadster 45 TFSI However, in the Audi Q7 Mk1 it can often be the sign of trouble with the inlet manifold flap and the associated actuator. To track down the issue, you’ll need to plug in a fault-code reader to the OBD port. If it displays the codes P3135, 19591 or 4C87, it’s the Inlet manifold flap 1 that’s at fault. If it shows codes P1018, 17426 or 4412 For '07 the V-8 has been modified. It now has high pressure FSI injection and the timing belt, (which was on the front of the engine) has been replaced by a timing chain on the rear of the engine. It now makes 350 hp. While timing chains are a huge improvement over belts they are not neccessarily trouble free. 5) The air cleaner replacement at this interval includes the S8 4.0L V8 TFSI engine. Perform at 85,000 km or 6 years, whichever occurs first. Thereafter, every 90,000 km or 6 years, whichever occurs first. Spark plugs - Replace (Audi A3 with the 1.8l TFSI, Q3 2.0l TFSI, 3.0l V6 TFSI, and 5.2l V10 only) Audi Timing chain replacement. We can replace the timing chain on your Audi vehicle from our garage workshop. Here are photos of our mechanics recently replacing a timing chain on a vehicle. Contact A1 Diagnostics. Get in touch today for expert advice we are here to help with any Audi timing chain, Audi timing belt and Audi cam belt related Heath Hayes. Sep 9, 2014. #3. You could change the clutch whilst the engines out. Have you noticed any noise on start up or anything else to lead you to believe there may be an issue or is it preventative. Some pictures of the old parts would be good, just to see if there is much wear on the timing chain guides. Karl. Get the best deals on Timing Chains for Audi Q5 when you Timing Chain Kit For AUDI Q5 A6 3.2 3.0 V6 A8 S6 S7 S8 4.0 V8 CCAA CALA Timing Chain Kit For AUDI A4 Most reliable Audi Q3 engines. 1.4 TFSI. This turbocharged 1.4-liter inline-four engine is a little engine that is generally quite reliable, very fuel efficient, and can even take regular gas. 2.0 TFSI. The 2.0-liter TFSI inline-four engine raises the stakes, offering 228 horsepower and 258 lb-ft of torque. An Audi timing chain lawsuit alleges Audi and Volkswagen vehicles have defects that cause the timing chains to suddenly fail without warning, causing the engines to fail. Class Vehicles. 2008-2012 A3; 2008-2012 A4; 2008-2012 A5; 2010-2012 A6; 2012 A7; 2008-2012 TT; 2010-2012 Q3; 2009-2012 Q5; 2012 Q7; Location New Jersey; Settlement David rVpbI0.