This shop manual covers the proper disassembly, inspection, rework, assembly, and installation of the 638994 turbocharger found on the DAF NS133AG 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 TO4E11 466780-0004, 466780-9004, 466780-9004, 466780-4 Turbochargers