DETROIT DIESEL 638 SERIES DIESEL ENGINE WORKSHOP SERVICE REPAIR MANUAL System Requirements: This FILE is compatible with the following operating systems: Windows 95, 98, 2000, ME, NT, XP, Vista and Windows 7 & 8, 10 Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard and Mac OS X 10.6 Snow Leopard NOTE: You will need Adobe Acrobat Reader to view the document. Most computers will have this application pre-installed, but you can download it free from ENGINE COVERED: 3.8L 6-CYLINDER IN-LINE, 4-CYCLE, TURBO-CHARGED DIESEL ENGINE CONTENTS: GENERAL INFORMATION ENGINE SYSTEM CAMSHAFT-CRANKSHAFT CYLINDER HEAD-FLYWHEEL ENGINE MOUNTING PISTON-PISTON RING TIMING GEAR-VALVE VIBRATION DAMPER SUPPLY MANIFOLD AIR INTAKE SYSTEM TURBOCHARGER SYSTEM COOLING SYSTEM WATER PUMP ELECTRICAL EQUIPMENT ENGINE TUNE-UP EXHAUST SYSTEM LUBRICATION SYSTEM COOLANT SYSTEM IGNITION SYSTEM FUEL SYSTEM ELECTRONIC FUEL CONTROL ENGINE SENSOR & CONNECTOR OPERATION SYSTEM VITRIFICATION SYSTEM POWER TAKE-OFF MAINTENANCE SPECIAL EQUIPMENT STORAGE SYSTEM SERVICE TOOLS TROUBLESHOOTING This is a very comprehensive manual (DOWNLOAD in PDF format) for DETROIT DIESEL 638 SERIES DIESEL ENGINE, Features detailed exploded views. This is the same manual that technicians use to fix your engines. Manual covers detailed and complete step-by-step written procedures with pictures and diagrams, fully printable-selected pages or whole manual, illustrated. So, you will not be disappointed. This is the manual for Repairs, Maintenance & servicing.