Bosch fridge/freezer condenser pipe leak
I have a BOSCH side by side fridge freezer. In April I noticed the freezer wasn't freezing so I called BOSCH and an engineer came. He did a diagnostic on all the moving parts where he told me the compressor is faulty and it's going to cost just over £600 to replace. I agreed and 2 days later another engineer from BOSCH came to replace the compressor. This engineer checked whether there was any liquid in the system and of course NO liquid. He then vacuumed the system and re-gassed. I asked why this issue occurred and he said it seems there was a blockage but seems OK now as its holding pressure. The unit worked perfectly for 2 months. But after then I turned the unit off as I wanted to clean the inside. The unit was turned off for about 3 hours. The next day I opened the fridge and it wasn't cool. I called BOSCH again where the 1st engineer came and without checking anything said its an internal leak and can't be fixed but he would get the same engineer to come and re-gas the unit. So last week the unit was re-gassed but he didn't vacuum the system and that day it began to cool down. The engineer told he sprayed a liquid on all the exposed areas to detect whether there was a leak. After 30mins or so he explained he wasted able to see any viable leaks and it must be an internal leak which can't be fixed due to the unit having pipes that are enclosed. However, that night I heard a strange noise coming from the back of the unit. I investigated and found the condensor pipe where it bends was leaking liquid and bubbles where forming. I again called BOSCH but the call centre refused to send an engineer stated the unit cannot be fixed and if an engineer was to come out I will be charged again. I did explain that on their website they do sell condenser replacements and that's where the leak is. Never did I expect BOSCH customer service to be so poor.
My question is, if the leak is coming from the condenser pipe can this be replaced easily and is it worth fixing??? The unit is 9 years old and I paid £3000 it's in excellent condition.
Thank you in advanced to your help
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