Request to start the engine
engine running
Engine start
Engine starts properly
Conspicuous engine problems recognizable
Engine works properly
Engine daubed with oil
slightly smeared with oil
Notice an overpressure in the water tank
Overpressure in the water tank
Oil filler tube indicates overpressure
Visible excess pressure in the engine
Visual inspection of cooling water
Oil film visible in the cooling water (#indication of defective head gasket)
Coolant existent in expansion tank
Yes