Description
This 200+ page, 1983 Nissan Diesel Engine SD22 SD23 SD25 SD33 SD33T Service Manual is a reproduction of the original, out of print manual. This manual has been prepared primarily for the purpose of assisting service personnel in providing effective service and maintenance of SD series diesel engine for vehicles. This manual includes procedures for maintenance, adjustments, removal and installation, disassembly and assembly of components, and trouble-shooting. These diesel Nissan engines are used in model 430, 160, H40, W40, 140, F22, E23 and 720 vehicles.
Table of Contents
GENERAL INFORMATION – SPECIFICATIONS, Table of models and corresponding engines
ENGINE SERIAL NUMBER LOCATION
TIGHTENING TORQUE OF STANDARD BOLT
MAINTENANCE
BASIC MECHANICAL SYSTEM
Retightening cylinder head bolts, manifold nuts and venturi nuts
Adjusting intake and exhaust valve clearance
Checking and adjusting drive belt
Checking engine compression pressure
INJECTION AND FUEL SYSTEM
Checking and adjusting injection timing
Idle and maximum speed adjustment
Injection nozzle
Cleaning and replacing air cleaner filter
Checking fuel filter, draining water and replacing filter
Checking fuel lines (Hoses, piping, connectors, etc)
Checking rubber hoses (Water, air vacuum and oil hoses, etc)
COOLING AND LUBRICATION SYSTEM
Changing engine coolant
Checking cooling system hoses and connections for leaks
Changing engine oil and oil filter
Checking engine oil for leaks
Checking and changing injection pump oil (Lubrication type only)
Lubricating injection pump governor diaphragm
ELECTRICAL SYSTEM
Checking glow plugs
SERVICE DATA AND SPECIFICATIONS
Inspection and adjustment
Tightening torque
TROUBLE DIAGNOSES AND CORRECTIONS
SPECIAL SERVICE TOOLS
ENGINE MECHANICAL
ENGINE COMPONENTS
(Outer parts)
ENGINE COMPONENTS
(Internal parts)
ENGINE DISASSEMBLY
PRECAUTIONS
DISASSEMBLY
DISASSEMBLING PISTON AND CONNECTING ROD
DISASSEMBLING CYLINDER HEAD
INSPECTION AND REPAIR
CYLINDER HEAD AND VALVE
CAMSHAFT AND CAMSHAFT BUSHING
CYLINDER BLOCK
CYLINDER LINER
PISTON, PISTON PIN AND PISTON RINGS
CONNECTING ROD
CRANKSHAFT
BEARINGS
CRANKSHAFT PILOT BUSHING
COMBUSTION CHAMBER
FLYWHEEL
GEAR TRAIN
FRONT PLATE
ENGINE ASSEMBLY
PRECAUTIONS
ASSEMBLING CYLINDER HEAD
ASSEMBLING PISTON AND CONNECTING ROD
ASSEMBLING ENGINE OVERALL
SERVICE DATA AND SPECIFICATIONS
INSPECTION AND ADJUSTMENT
TIGHTENING TORQUE
SPECIAL SERVICE TOOLS
ENGINE LUBRICATION & COOLING SYSTEMS
ENGINE LUBRICATION SYSTEM
Lubrication circuit
Oil pump
Oil filter
Oil filter bracket
Oil cooler
Oil jets
COOLING SYSTEM
Cooling circuit
Water pump
Thermostat
Radiator
SERVICE DATA AND SPECIFICATIONS
Engine lubrication system
Engine cooling system
SPECIAL SERVICE TOOL
ENGINE FUEL SYSTEMS
INJECTION PUMP ASSEMBLY
(Diesel Kiki-Bosch in-line type)
Description
Injection pump
Altitude compensator
(Engine on vehicle)
Disassembly
Assembly
Testing of injection pump
Feed pump
Timer
Fuel filter
Service data and specifications
Special service tools
INJECTION PUMP ASSEMBLY
(Diesel Kiki-Bosch VE-type)
Description
Injection pump
Disassembly
(Without high altitude compensator)
Disassembly
(With high altitude compensator)
Inspection
Assembly
Testing of injection pump
Service data and specifications
Special service tools
INJECTION PUMP ASSEMBLY
(CAV-DPA type)
Description
Injection pump
Feed pump
Fuel filter-
Service data and specifications
INJECTION NOZZLE ASSEMBLY
Removal and installation
For Diesel Kiki
For CAV-DPA
Service data and specifications
Special service tools
CRANKCASE EMISSION CONTROL SYSTEM
Description
