This shop manual covers the proper disassembly, inspection, rework, assembly, and installation of the 691409C91 turbocharger found on the Navistar DT466 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 manu This shop manual covers the proper disassembly, inspection, rework, assembly, and installation of the 691409C91 turbocharger found on the Navistar DT466 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 409770-0018, 409770-9018, 409770-5018, 409770-18 Turbochargers