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# Title
1 CYLINDER BLOCK AND CYLINDER LINER
2 CYLINDER HEAD
3 VALVE AND INJECTOR OPERATING MECHANISM
4 VALVES, SPRINGS, GUIDES, INSERTS, SEALS AND ROTATORS
5 ENGINE LIFTER BRACKETS
6 ROCKER COVER
7 CRANKSHAFT
8 CRANKSHAFT OIL SEALS
9 CRANKSHAFT MAIN BEARINGS
10 GEAR CASE COVER
11 GEAR CASE
12 CRANKSHAFT VIBRATION DAMPER
13 CRANKSHAFT PULLEY
14 FLYWHEEL
15 RING GEAR
16 FLYWHEEL HOUSING
17 PISTON AND PISTON RING
18 PISTON AND CONNECTING ROD ASSEMBLY
19 CONNECTING ROD
20 CYLINDER LINER
21 GEAR TRAIN AND ENGINE TIMING
22 CAMSHAFT AND CAMSHAFT BEARING
23 <EMPHASIS>THRUST PLATE PERIMETER SEAL</EMPHASIS>
24 CAMSHAFT DRIVE GEAR
25 ADJUSTABLE IDLER GEAR ASSEMBLY
26 BULL GEAR AND CAMSHAFT IDLER GEAR ASSEMBLY
27 CRANKSHAFT TIMING GEAR AND TIMING WHEEL
28 BALANCE SHAFT AND OIL PUMP MECHANISM
29 ACCESSORY DRIVE
30 JAKE BRAKE
31 ADDITIONAL INFORMATION
32 FUEL SYSTEM OVERVIEW
33 VEHICLE SAFETY FOR THE NATURAL GAS ENGINE
34 ELECTRONIC UNIT INJECTOR
35 FUEL INJECTOR TUBE AND O-RING
36 FUEL PUMP
37 FUEL PUMP DRIVE
38 FUEL FILTERS (SPIN-ON)
39 FUEL FILTER AND WATER SEPARATOR ASSEMBLY
40 FUEL PRO <EMPHASIS>®</EMPHASIS> 380/380E FUEL FILTER SYSTEM
41 ELECTRONIC ENGINE CONTROL
42 DDEC III
43 DDEC II ECM
44 ELECTRONIC FOOT PEDAL ASSEMBLY
45 TURBO BOOST PRESSURE SENSOR
46 TURBO BOOST PRESSURE SENSOR FOR THE SERIES 50G ENGINES
47 MANIFOLD ABSOLUTE PRESSURE SENSOR
48 AIR INTAKE PRESSURE SENSOR
49 OIL PRESSURE SENSOR
50 OIL TEMPERATURE SENSOR
51 SYNCHRONOUS REFERENCE SENSOR
52 TIMING REFERENCE SENSOR
53 COOLANT LEVEL SENSOR
54 FUEL PRESSURE SENSOR
55 FUEL TEMPERATURE SENSOR
56 EXHAUST GAS OXYGEN SENSOR FOR SERIES 50G ENGINES
57 EXHAUST TEMPERATURE SENSOR FOR THE SERIES 50G ENGINES
58 KNOCK SENSOR AND SIGNAL TO NOISE ENHANCEMENT FILTER (S.N.E.F.) MODULE FOR THE SERIES 50G AUTOMOTIVE ENGINES
59 OVERVIEW OF THE HIGH PRESSURE FUEL SYSTEM FOR THE SERIES 50G AUTOMOTIVE ENGINE (PRE 1998)
60 OVERVIEW OF HIGH PRESSURE FUEL SYSTEM FOR 1998 AND LATER SERIES 50G AUTOMOTIVE ENGINES
61 BAROMETRIC PRESSURE SENSOR FOR THE SERIES 50G ENGINE WITH HIGH PRESSURE FUEL SYSTEM 1998 AND LATER
62 HIGH PRESSURE FUEL REGULATOR FOR THE SERIES 50G ENGINE
63 HIGH PRESSURE FUEL REGULATOR FOR THE SERIES 50G ENGINE PRIOR TO 1998
64 FUEL MIXER FOR THE SERIES 50G HIGH PRESSURE SYSTEM 1998 AND LATER
65 FUEL SHUTOFF VALVE FOR 1998 AND LATER SERIES 50G ENGINE WITH HIGH PRESSURE FUEL SYSTEM
66 FUEL PRESSURE GAGES FOR THE SERIES 50G ENGINE WITH A HIGH PRESSURE FUEL SYSTEM
67 VENTING AND LEAK CHECKING PROCEDURES FOR A NATURAL GAS ENGINE (HIGH PRESSURE SYSTEM)
68 FUEL MIXER FOR THE SERIES 50G ENGINE WITH HIGH PRESSURE FUEL SYSTEM (PRIOR TO 1998)
69 PULSE WIDTH MODULATED STEPPER MOTOR VALVE (PSV) FOR 1998 AND LATER SERIES 50G AUTOMOTIVE ENGINES
70 OVERVIEW OF THE LOW PRESSURE FUEL SYSTEM FOR THE SERIES 50G GENERATOR SET ENGINE (1998 AND LATER)
71 IMPCO LOW PRESSURE FUEL REGULATOR FOR THE SERIES 50G ENGINE
72 LOW PRESSURE FUEL REGULATOR FOR THE SERIES 50G ENGINE
73 FUEL MIXER FOR THE SERIES 50G LOW PRESSURE SYSTEM
74 VENTING AND LEAK CHECKING PROCEDURES FOR A NATURAL GAS ENGINE (LOW PRESSURE SYSTEM)
75 COMPUVALVE FOR THE SERIES 50G ENGINE
76 FUEL SHUTOFF VALVES FOR THE SERIES 50G ENGINE PRIOR TO 1998
77 HOSE, FITTING, AND FILTER FOR THE SERIES 50G ENGINE
78 FUEL FILTER TYPE FOR THE SERIES 50G ENGINE
79 ADDITIONAL INFORMATION
80 OVERVIEW OF LUBRICATING SYSTEM
81 OIL PUMP
82 OIL PRESSURE REGULATOR VALVE
83 OIL PRESSURE RELIEF VALVE
84 OIL FILTER
85 OIL FILTER ADAPTOR
86 OIL COOLER
87 OIL LEVEL DIPSTICK ASSEMBLY
88 OIL PAN
89 VENTILATING SYSTEM
90 COOLING SYSTEM OVERVIEW
91 WATER PUMP
92 THERMOSTAT
93 COOLANT PRESSURE CONTROL CAP
94 ENGINE COOLING FAN
95 COOLANT FILTER AND CONDITIONER
96 RADIATOR
97 ADDITIONAL INFORMATION
98 FUEL
99 LUBRICATING OIL
100 LUBRICATING OIL FOR THE SERIES 50G ENGINE
101 COOLANT
102 AIR INTAKE SYSTEM OVERVIEW
103 AIR CLEANER
104 INTAKE MANIFOLD
105 CLOSED CRANKCASE BREATHER FOR S50G AUTOMOTIVE ENGINES (1998 AND LATER)
106 TURBOCHARGER SERIES 50 DIESEL
107 TURBOCHARGER SERIES 50 GAS
108 CHARGE AIR COOLER
109 THROTTLE ACTUATOR FOR THE SERIES 50G ENGINE
110 AIR DRYER
111 ADDITIONAL INFORMATION
112 OVERVIEW OF EXHAUST SYSTEM
113 EXHAUST MANIFOLD
114 OVERVIEW OF ELECTRICAL SYSTEM
115 OVERVIEW OF ELECTRICAL SYSTEM FOR SERIES 50G ENGINE
116 BATTERY CHARGING ALTERNATOR
117 STORAGE BATTERY
118 CRANKING MOTOR
119 DDEC III WIRING HARNESS
120 <EMPHASIS>METRI-PACK™ 150 SERIES CONNECTORS</EMPHASIS>
121 <EMPHASIS>MICRO-PACK™ SERIES CONNECTORS</EMPHASIS>
122 <EMPHASIS>WEATHER PACK™ AND METRI-PACK 280 SERIES CONNECTORS</EMPHASIS>
123 <EMPHASIS>CONNECTOR TOOLS</EMPHASIS>
124 <EMPHASIS>SPLICING GUIDELINES</EMPHASIS>
125 ADDITIONAL INFORMATION
126 REAR ENGINE POWER TAKE-OFF (REPTO) ASSEMBLY
127 FRONT MOUNTED POWER TAKE-OFF
128 AIR COMPRESSOR
129 AIR COMPRESSOR DRIVE HUB
130 AIR COMPRESSOR DRIVE ASSEMBLY
131 ADDITIONAL INFORMATION
132 PREPARATION FOR A FIRST TIME START
133 STARTING
134 RUNNING
135 STOPPING
136 OPERATING CONDITIONS
137 SERIES 50G OPERATING CONDITIONS
138 MANIFOLD ABSOLUTE PRESSURE SENSOR (MAP SENSOR) FOR THE SERIES 50G ENGINE
139 ENGINE RUN-IN INSTRUCTIONS
140 ENGINE TUNE-UP PROCEDURES
141 VALVE LASH, INJECTOR HEIGHT (TIMING) AND JAKE BRAKE <EMPHASIS>®</EMPHASIS> LASH ADJUSTMENTS
142 ENGINE TUNE-UP PROCEDURES FOR THE SERIES 50G ENGINE
143 VALVE LASH FOR THE SERIES 50G ENGINE
144 MAINTENANCE OVERVIEW
145 DAILY MAINTENANCE - ALL APPLICATIONS
146 MAINTENANCE OF VEHICLE ENGINES
147 MAINTENANCE OF ENGINES USED IN STATIONARY AND INDUSTRIAL APPLICATIONS
148 DESCRIPTION OF MAINTENANCE ITEMS
149 PREVENTIVE MAINTENANCE FOR THE SERIES 50G ENGINE (CITY TRANSIT COACH)
150 MAINTENANCE OF SERIES 50G ENGINES
151 MAINTENANCE OF SERIES 50G ENGINES FOR GENERATOR SET
152 LUBRICATING OIL AND FILTER CHANGE INTERVALS FOR GENSET
153 LUBRICATING OIL AND FILTER CHANGE INTERVALS FOR GENSET (WITH HIGH SULFUR FUELS)
154 DETECTING INTERNAL FUEL LEAKS
155 CLEANING CONTAMINATED LUBRICATION OIL SYSTEM
156 PREPARING ENGINE FOR STORAGE
157 RESTORING AN EXTENDED STORAGE ENGINE
158 OVERVIEW OF IGNITION SYSTEM
159 REMOTE MOUNT IGNITION COILS
160 IGNITION WIRE HARNESS
161 WASTE WIRE HARNESS
162 IGNITION BOOT
163 IGNITION WIRE AND WASTE WIRE ROUTING
164 IGNITION WIRE BRACKETS
165 IGNITION BOOT RETAINERS
166 IGNITION COIL HARNESS
167 SPARK PLUGS
168 COIL OVER PLUG IGNITION SYSTEM
169 IGNITION BOOT ASSEMBLY
170 IGNITER MODULE
171 IGNITER MODULE BRACKET
172 IGNITION COIL HARNESS
173 SPARK PLUGS
174 POOR VEHICLE GROUND
175 AERATED FUEL
176 IMPROPER INJECTOR CALIBRATION SETTING (DDEC III ENGINES ONLY)
177 IMPROPER VALVE CLEARANCE OR INJECTOR HEIGHT, WORN OR DAMAGED CAMSHAFT LOBES AND ROLLERS
178 FAULTY FUEL INJECTOR
179 FAULTY ELECTRONIC CONTROL MODULE
180 WORN OR DAMAGED VALVE OR CYLINDER KIT
181 EMPTY FUEL TANK
182 ELECTRONIC CONTROL MODULE WIRING HARNESS
183 LOW BATTERY VOLTAGE
184 CORRODED OR DAMAGED BATTERY TERMINALS
185 DEFECTIVE MAGNETIC SWITCH
186 DEFECTIVE STARTER
187 LOW CRANKING SPEED
188 FUEL SUPPLY VALVE
189 PLUGGED FUEL FILTER(S)
190 FUEL PUMP
191 AERATED FUEL
192 RESTRICTIVE AIR FILTER
193 LOW COMPRESSION
194 DISCHARGED BATTERY
195 DEFECTIVE MAGNETIC SWITCH
196 DEFECTIVE STARTER
197 INTERNAL ENGINE DAMAGE
198 MISCALIBRATED DIPSTICK
199 EXTERNAL OIL LEAKS
200 LEAKING OIL COOLER CORE
201 DEFECTIVE AIR COMPRESSOR
202 DEFECTIVE TURBOCHARGER
203 WORN OR DAMAGED VALVE OR CYLINDER KIT
204 OBSTRUCTION OR DAMAGE TO ROCKER COVER BREATHER
205 DEFECTIVE AIR COMPRESSOR
206 DEFECTIVE TURBOCHARGER
207 WORN OR DAMAGED VALVE OR CYLINDER KIT
208 IMPROPER GRADE OF FUEL OIL
209 RESTRICTED AIR CLEANER ELEMENT
210 RESTRICTED OR CRACKED CHARGE AIR COOLER
211 FAULTY EXHAUST SYSTEM
212 FAULTY FUEL INJECTOR
213 DEFECTIVE TURBOCHARGER
214 DEFECTIVE TURBOCHARGER
215 WORN OR DAMAGED VALVE OR CYLINDER KIT
216 IMPROPER GRADE OF FUEL
217 DEFECTIVE FUEL PUMP
218 AERATED FUEL
219 IMPROPER INJECTOR CALIBRATION SETTING (DDEC III ENGINES ONLY)
220 IMPROPER VALVE CLEARANCE OR INJECTOR HEIGHT, WORN OR DAMAGED CAMSHAFT LOBES AND ROLLERS
221 FAULTY FUEL INJECTOR
222 FAULTY ELECTRONIC CONTROL MODULE
223 LOW BATTERY VOLTAGE
224 AERATED FUEL OIL
225 INSUFFICIENT FUEL OIL FLOW
226 HIGH FUEL OIL TEMPERATURE RETURN
227 IMPROPER INJECTOR CALIBRATION SETTING (DDEC III ENGINES ONLY)
228 LOW COMPRESSION PRESSURE
229 AERATED FUEL
230 HIGH FUEL PRESSURE
231 HIGH FUEL OIL TEMPERATURE RETURN
232 RESTRICTED AIR CLEANER ELEMENT
233 RESTRICTED OR CRACKED CHARGE AIR COOLER OR LEAKING INTAKE MANIFOLD
234 FAULTY EXHAUST SYSTEM
235 HIGH INLET AIR TEMPERATURE
236 HIGH ALTITUDE OPERATION
237 INCORRECT CAMSHAFT TIMING
238 IMPROPER ENGINE OIL LEVEL
239 IMPROPER LUBRICATING OIL VISCOSITY
240 LUBRICATING OIL DILUTED WITH FUEL OIL OR ENGINE COOLANT
241 FAULTY OIL PRESSURE GAGE SENSOR
242 OIL PRESSURE GAGE LINE OBSTRUCTED
243 ROCKER ARM SHAFT PLUGS MISSING (NEW OR REBUILT ENGINES ONLY)
244 RESTRICTED OIL COOLER
245 NONFUNCTIONAL OR STICKING OIL PRESSURE REGULATOR VALVE
246 DEFECTIVE BYPASS VALVE
247 DEFECTIVE PRESSURE RELIEF VALVE
248 DEFECTIVE PICKUP SCREEN TUBE AND SCREEN ASSEMBLY
249 DEFECTIVE CRANKSHAFT MAIN BEARING SHELLS
250 DEFECTIVE OIL PUMP ASSEMBLY
251 IMPROPER ENGINE COOLANT LEVEL
252 INSUFFICIENT RADIATOR AIR CIRCULATION
253 FAULTY PRESSURE CONTROL CAP
254 DEFECTIVE COOLANT HOSES
255 FAN BELTS ARE INCORRECTLY ADJUSTED
256 INOPERATIVE THERMO-MODULATED FAN
257 FAULTY THERMOSTATS
258 FAULTY WATER PUMP
259 COMBUSTION GASES IN COOLANT
260 ABNORMAL RADIATOR COOLANT FLOW
261 FAULTY THERMOSTATS
262 PROPER USE OF MANOMETER
263 CYLINDER COMPRESSION TEST
264 <EMPHASIS>CRANKCASE PRESSURE TEST (GOVERNED SPEED NO LOAD)</EMPHASIS>
265 <EMPHASIS>CRANKCASE PRESSURE TEST (DYNAMIC)</EMPHASIS>
266 LUBE OIL CONSUMPTION REPORT
267 DIESEL FUEL QUALITY AND SELECTION
268 FUEL OIL FLOW TEST
269 LUBRICATING OIL CRITERIA
270 LEAD REPAIR