Hello I have a recently purchased a 997 Carrera 4s (25000m) bought from Porsche hatfield with 2 yr warranty. Having stalled the car a couple of times I noticed that on a warm start the engine cranks very slowly and makes a clattering noise like someone shaking a bag of spanners. It then starts and runs fine and cold starting is also fine. I will take it to a dealer but wondered if anyone had experience of this, as any background information would be useful when approaching the dealership. Many thanks