4TNV98 & 4TNE98 Diesel Engine 5 Index
Section 5. COOLING SYSTEM
Before You Begin Servicing...............................201
Introduction.......................................................203
Cooling System Diagram ..................................203
Engine Coolant Pump Components...................204
Engine Coolant System Check..........................205
Engine Coolant Pump.......................................205
Removal of Engine Coolant Pump........205
Disassembly of Engine Coolant Pump.. 207
Cleaning and Inspection.......................207
Reassembly of Engine Coolant Pump...208
Installation of Engine Coolant Pump.....208
Section 6. LUBRICATION SYSTEM
Before You Begin Servicing...............................210
Introduction.......................................................212
Oil Pump Service Information............................212
Lubrication System Diagram .............................214
Checking Engine Oil Pressure...........................215
Trochoid Oil Pump............................................215
Oil Pump Components .........................215
Disassembly of Oil Pump......................216
Cleaning and Inspection.......................216
Reassembly of Oil Pump......................217
Section 7. STARTER MOTOR
Before You Begin Servicing...............................219
Introduction.......................................................221
Starter Motor Information...................................221
Starter Motor Specifications...............................222
Starter Motor Troubleshooting...........................223
Starter Motor Components ................................224
Starter Motor.....................................................225
Removal of Starter Motor......................225
Disassembly of Starter Motor................225
Cleaning and Inspection.......................227
Reassembly of Starter Motor ................232
Check Pinion Projection Length............233
No-Load Test........................................234
Installation of Starter Motor...................234
Section 8. TROUBLESHOOTING
Special Service Tools .......................................235
Troubleshooting By Measuring Compression
Pressure...........................................................236
Compression Pressure Measurement
Method ................................................ 236
Quick Reference Table For Troubleshooting..... 239
Troubleshooting Charts..................................... 240
Wiring Diagram................................................. 243
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