Glad to see some diy work input, in regards to rear sensors, do you have speaker near boot ?
Sounds like you had few issues all come at once ;(
hi and welcome :)
Was this mod for diesel models only if i remember correct ?
My Favourite tool's would have to be the bosch multi tool, and dremel multi tool, because these 2 can you get out of almost anyone sticky...
should not do but you never know use a long screwdriver or stethoscope if you have one to diagnose source of knocking noise.
The o rings were upgraded from black to red if i remember correct, you need to top up and to bleed turn left and right lock a few times check and...
Get on a ramp and listen other than you will need mechanics stethoscope ;)
To cut power and keep supply isolated, i used my own wiring and step down 12v to 5v dc transfomer with 2a inline fuse wired off cigar lighter feed.
Mods so far:
Mtec braided hoses
Mtec c hook front discs
Mtec dimpled rear discs
Fidanza lightweight flyweel
Action stage 2 clutch
Hi You need to test the 70/100 a fuse both sides, you need a meter or lamp tester, this is sequence of electrics for pretty much any car, battery...
hi check heatshield on exhaust common culprit
Worth filling even as temporary measure to stop water coming in.
Did you check engine bay fuses or only cabin fuses, its sounds like the 60a/100a double fuse is blown one side.