-4
8cm
it is called a dodecagon. this is also approved by teachers so they will not burden you!
I just removed a 1.7 Diesel starter motor. ALLWAYS DISCONNECT BATTERY NEGATIVE TERMINAL (10 mm) Remove top half of inlet manifold (8mm 12sided socket or spanner) Undo the two plastic bolts on the expansion tank (water bottle. 10mm) Move tank out the way Look down onto starter motor; remove bolt on which goes through bell housing into starter motor (16mm ) Jack car up; from underneath look up to starter motor, remove bolt which goes through the starter into gearbox (15mm) Remove nut from starter solenoid (little part of starter motor. 13 mm) Undo Philips bolt and disconnect wire You have removed your starter motor