Hello friends; start at the end and then abound in the details: in my Peugeot 505 Familiar Diesel model 1989 an exact week after loading the system (23/12) with the corresponding gas type (Freon 12) burst high hose (30 / 12), which was the original, clarifying that it had replaced the dehydrating filter and years before the condenser. The compressor installed is a SANDEN 508 (the plate says exactly SANDEN U508 Model U4534 OIL AMT: 175 cc OIL: SUNISO 508 so that there is no data). I clarify that the original compressor is the Seiko Seiki SS-1 70 PSS1 but I replaced it with the SANDEN after checking three times that it is not possible to repair the shaft seal leakage correctly because it is not possible for that compressor to seal known origin (it comes in a blister without mark or origin) unlike the SANDEN in which seal of US origin is obtained although not original that would give reasonable result. I understand that the SANDEN 508 compressor also equips the PEUGEOT 505 without changing any other components. According to the spare parts catalog PEUGEOT corresponds to No. 6455A5 until 09/11/01 when it changed to No. 6455A9. I have already replaced the hose but before I load the load I would like to know if anyone can help me with some reflection on the possible cause of the hose exploding, clarifying that the electric fan at the time of the load started together with the compressor, and I do not know if it would be logical that the reason may be the age of the hose. In another annoying order with two other doubts: -If someone has to offer me a can of Freon 12 Dupont brand (900 g or 1 kg, I do not know how it came) thank you let me know but as I think impossible to get it I am thinking of choosing between the brands REFRIGERANT UR 12 or the ANTON YH12, if someone has an opinion on whether one agrees more than the other, I will be grateful. I do not want to use the Dupont MO 49 replacement for the Freon 12 because I understand it works at greater pressure and I want to keep everything as original as possible, considering what has already happened to me and also because I want to sell the car and not add more problems. - what amount of oil should I add, after the breakage and when removing the hose add 6 ml (measured in a syringe) but I suppose something else must have lost pulverized together with the gas, the compressor had the correct level when installing it and its capacity according to the plate would be 175 cc. (I do not know what the acronym AMT after Oil on the plate mean), I suppose that the excess or lack some damage must originate. Thank you very much for any opinion and apologies for the length of the consultation.