when i put an 1800 zetec in my mk4 xr3i, what do i do with the power steering related parts? do i just unbolt them amd leave them off?

i been dreadin doing this but its basically 10 bolts and rear seat an cards removed lol       here are 3 of six 17mm bolts that hold the roof an frame etc in   mine only had 2 lol   first disconect heated rear window an pull thru headliner you will notice its held in ith 3 clips pop the metal rod outta clips   nxt undo the 2 10mm bolts at the bottom of the rear window stays both sides now dsconecct the rams off the frame undo the six 17mm bolts either side and the roof is basi

hi folks am going to replae the roof on my mk5 cab tomorrow if not raining lol does any one know how the trim round the rear of the roof comes off is it srewed on or just push on thanks john