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Hello have the same KNOCKING problem with my Porsche. In Switzerland. The Porsche center does not want to do anything about it. I am thinking of driving to Germany to try to fix it. It is scandalous that they are refusing to even discuss the matter. Have you had any progress??
hi, did you solve your knocking-ticking problem? the solution would be to change the engine. its a problem on the earlier (2003-2004) Cayennes and looks like more and more cases are coming (rumors of class action law suits against Porsches)... the problem is the "piston slap", where one of the cylinders (due to defective engineering) gets scorched very surprising to see this problem on GTS '09...
Hello. for Porsche Cayenne S piston slap, ticking noise, engine replacement have the same problem in Switzerland, Cayenne S 2004 (today 120'000 km) - about 2 years ago (beg 2009) at 80'000 km, the "ticking noise" started... went to the dealership - their solution: "CHANGE THE ENGINE". went to some other Cayenne servicing garages - the explanation is: "bad/defective alloy (mix of steel-aluminium-other metals) at production causing defective pistons/cylinders". Wrote a letter to Porsche Switzerland - their answer: "goodwill lies with your dealership". wrote to dealership asking about