Injector Disassembly, Cleaning & Inspection  Cleanliness is very important, any dirt or debris that get inside the injector will wear on the tight tolerance parts.   Injector Diagram: Torque Specs 15mm Nozzle Retaining Nut - 22 ftlb's 10mm Injector Bleed-off bolt - 6 ftlb's 24mm Injector Retaining Nut - 44 ftlb's Things we'll need. 19MM Open end wrench (For Pop Tester). 15MM Open end/box end wrench (For Injector Disassembly an