The Cleaning doing its job, as has also been reported in the description. The remnants of the previous cooler could be solved without problems. The liquid can be rausdrücken with some pressure from the relatively small soft plastic containers and then distributed evenly over the radiator. The content of the surface has damaged the radiator in any way. Nevertheless remained a discoloration of the old thermal paste to the cooler, which has apparently not ultimately affect the cooling; However, this would certainly be the task of a purification kit to remove all remnants and discoloration.