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Have you serviced the car? Oil and filter at least? If so, you go to Workshop in the app, you should be able to reset.

Hi are they going to change the drive chain and sprockets as well. Steve.

Hi on both sides of the intercooler there is no hot side as such it just over warmed air from the turbo which is caused by compression of that air the cooler merely cools it to a suitable level, the heating is caused by friction, I would just check both in the diagram if there is no obvious leakage, and believe me you will see it, chase the pipework up above the cooler and check every hose to the throttle body. Steve.

Hi its either 5 or 7 if they are rubber they are the most likely to fail as they live in a world of cr@p from the unburnt gunge from the PCV valve, good skills with the diagrams. Steve

Hi Car Supermarket, was it the Aldi version I would swear on a stack of bibles that is the old belt I have Never seen a belt in that condition after that milage, I agree with Gareth get the car recovered to Audi for a proper engineers report, it definitely won't go the garages way, then take them to the cleaners via trading standards, you will have them by the short and curlys, I would also recommend if the garage offers a repair that you DEMAND that they pay Audi to replace the belt as quite rightly you have lost all trust especially after they quoted the old cookie of 75k, they must have forgotten about four years? as for the parts being hard to source thats Scallops, if they had bothered to ring the local TPS they would have delivered O.E. parts the next morning, but its cheaper not to do the right thing and just hope if they lie enough you will go away, UTTER SCUM. Steve.

Couldn't agree more Gareth, the cheaper quoted ones seem to cover the things that probably won't fail. My concern is the mmi as it seems to do pretty much everything incl air suspension and drive mode select? Some only cover up to £500 towards which I can imagine won't cover much of the repair/replacement cost. Would have thought if these q7s were as unreliable and costly as the scarey stories portray them to be I would have already had replies of horror stories and advice to get covered asap. Most expensive warrenty does seem to cover everything but again, how easy will they payout if the worst were to happen. Was hoping for some good or bad experiences from forum members 🤞🤣

Hi in all my years I have never known anyone to use the old belt again thats shocking, its an unwritten rule that if you change anything thats to do with the timing belt, water pump, idler pulleys etc you always put a new belt on REGARDLESS of what you view its condition to be, the belt should be changed along with everything else every 80,000mls or four years max, it has nothing to do with over tensioning those photos are a classic case of age deterioration which causes de lamination, example my old Mondeo taxi had developed a water leak from the water pump, the whole cam belt kit including pump had been changed 20,000 miles before, the pump was a warranty job but I specified a new belt at my own expense as that was not covered as it had not failed, for the sake of £24.00 for a new gates belt it was no major consideration, I covered 340,000 miles in that car and never had anymore problem with the belt. The garage mechanic you bought the car from needs stringing up anyone with half a brain would have looked at that lot and advised changing the whole lot but lame brain decided just to change the idler, its cheaper than paying £200 for a whole new kit and the labour costs as well, please tell me it was not a dealership you bought it from. Steve.

Hi just the section where the pipe joins the turbo, on another tangent you described an induction roar when accelerating , a split boost hose between the turbo and the intercooler would make the same noise as its loosing boost pressure which will put it in to limp as its also classed as an air leak within the code you have its one of those lousy generic codes that covers a multitude of things. have a look at the boost hoses either side of the intercooler. Steve.