This shop manual covers the proper disassembly, inspection, rework, assembly, and installation of the 1806079C91 turbocharger found on the Navistar DT466/DT466B engines Written by an industry professional, this book contains full-color photos, diagrams, torque specs, and best practices. Repairing your vehicle's turbocharger is easy and cost effective-if you know how This shop manual covers Garrett Honeywell T04B25 409770-0022, 409770-9022, 409770-5022, 409770-22 Turbochargers