Cowboy bike CBV2 C3610CB battery restoration - goop removal and thermal probe id

[depeje]

I'm in the process of swapping the cells in a bike battery pack for brand new ones, but screwed up a bit. When physically removing the cells (which were all at 0,1V) from the BMS board, I noticed 2 of the 5 modules were glued down. To remedy this, I went in with my knife between the board and the cells to cut them loose. After actually removing the cells, I noticed in shock that I actually cut 2 components off of the board, which were embedded in the glue. One of the 2 is still connected with one of its leads, but definitely needs to be fixed as well.


For the second glued down module, I managed to cut around the components.


I assume these are temperature sensors, maybe an NTC and PTC next to each other for added redundancy. I haven't identified these components yet, so feel free to give some informed suggestions. I do have some ideas myself how to go about this which I just haven't executed yet.

My main problem is that I have no idea yet on how to remove the white goop in which they are embedded. Where the battery tabs were welded to the PCB, these connections were also covered in a similar looking glue, but the temperature probes' goop is less squishy and more brittle. Like old shower water-proofing. Does anyone know how to clean this glue? My initial, mechanical attempt still left a mess in which I don't want to solder.