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16 A high-quality wrench should be used to tighten the collar onto the fitting. The collar should be torqued to 37 lb-ft (slightly past hand tight), but not until after the other hose fitting has been attached and the assembly test-fitted on the vehicle. This way, the TechAFX “semi swivel” feature (see main text) will allow precise “clocking” of the fittings before final torquing. And that’s it. The project is complete.