This shop manual covers the proper disassembly, inspection, rework, assembly, and installation of the turbocharger (including the variable vane system) found on the AUDI A4 TDI diesel cars. 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 Covers Turbocharger Part Numbers 717858-0004, 717858-5004, 717858-9004, 717858-4, 038145702E