- Technical data 1
- 1 Safety information 1
- 1.1 Safety regulations for working on fuel supply 1
- 1.2 Safety measures when working on vehicles with a start/stop system 2
- 1.4 Safety precautions when working on the cooling system 2
- 1.5 Safety precautions when working on SCR system 2
- 1.6 Safety precautions when working on exhaust system 3
- 2 Identification 4
- 2.1 Engine number/engine data 4
- 3 Repair instructions 5
- 3.1 Rules for cleanliness 5
- 3.2 Foreign objects in engine 5
- 3.3 Contact corrosion 5
- 3.4 Routing and attachment of lines 6
- 3.5 Checking vacuum system 6
- Removing and installing engine 7
- 1 Removing and installing engine 7
- 1.1 Removing engine 7
- 1.2 Separating engine and gearbox 16
- 1.3 Securing engine on engine and gearbox support 20
- 1.4 Installing engine 21
- 2 Assembly mountings 25
- 2.1 Assembly overview - assembly mountings 25
- 2.2 Removing and installing engine mounting 27
- 2.3 Removing and installing gearbox mounting 28
- 2.4 Removing and installing pendulum support 29
- 2.5 Supporting engine in installation position 30
- 2.6 Adjusting assembly mountings 35
- 2.7 Checking adjustment of assembly mountings 37
- 3 Engine cover panel 39
- 3.1 Removing and installing engine cover 39
- Crankshaft group 40
- 1 Cylinder block (pulley end) 40
- 1.1 Assembly overview - cylinder block (pulley end) 40
- 1.2 Assembly overview - sealing flange, belt pulley end 43
- 1.3 Removing and installing poly-V belt 45
- 1.4 Removing and installing tensioner for poly V-belt 45
- 1.5 Removing and installing vibration damper 46
- 1.6 Removing and installing bracket for ancillaries 47
- 1.7 Removing and installing engine support 49
- 1.8 Removing and installing sealing flange on pulley end 50
- 2 Cylinder block, gearbox end 53
- 2.1 Assembly overview - cylinder block, gearbox end 53
- 2.2 Removing and installing flywheel 55
- 2.3 Removing and installing sealing flange on gearbox side 56
- 2.4 Removing and installing adapter plate 79
- 2.5 Removing and installing intermediate plate 80
- 3 Crankshaft 81
- 3.1 Assembly overview - crankshaft 81
- 3.2 Crankshaft dimensions 83
- 3.3 Renewing needle bearing in crankshaft 83
- 3.4 Measuring axial clearance of crankshaft 85
- 3.5 Measuring radial clearance of crankshaft 86
- 4 Pistons and conrods 87
- 4.1 Assembly overview - pistons and conrods 87
- 4.2 Removing and installing pistons 90
- 4.3 Measuring piston projection at TDC 92
- 4.4 Checking pistons and cylinder bores 94
- 4.5 Separating new conrod 97
- 4.6 Checking radial clearance of conrods 97
- 4.7 Removing and installing oil spray jets 98
- Cylinder head, valve gear 99
- 1 Cylinder head 99
- 1.1 Assembly overview - cylinder head 99
- 1.2 Assembly overview - camshaft housing 101
- 1.3 Assembly overview - cylinder head cover 103
- 1.4 Removing and installing cylinder head 105
- 1.5 Removing and installing cylinder head cover 111
- 1.6 Removing and installing injector seals 112
- 1.7 Removing and installing camshaft housing 113
- 1.8 Checking compression 118
- 2 Toothed belt drive 121
- 2.1 Assembly overview - toothed belt cover 121
- 2.2 Assembly overview - toothed belt 121
- 2.3 Removing and installing toothed belt guard 123
- 2.4 Removing and installing toothed belt 128
- 2.5 Removing toothed belt from camshaft 136
- 3 Valve gear 144
- 3.1 Assembly overview - valve gear 144
- 3.2 Measuring axial play of camshaft 146
- 3.3 Removing and installing camshaft oil seal 147
- 3.4 Checking hydraulic compensation elements 149
- 3.5 Removing and installing valve stem seals 150
- 3.6 Removing and installing toothed belt pulley 158
- 4 Inlet and exhaust valves 160
- 4.1 Checking valve guides 160
- 4.2 Checking valves 161
- 4.3 Valve dimensions 161
- Lubrication 162
- 1 Sump, oil pump 162
- 1.1 Assembly overview - sump/oil pump 162
- 1.2 Engine oil: 165
- 1.3 Removing and installing lower part of sump 165
- 1.4 Removing and installing upper part of sump 168
- 1.5 Removing and installing oil pump 171
- 1.6 Removing and installing oil level and oil temperature sender G266 171
- 1.7 Removing and installing toothed belt for oil pump 173
- 2 Engine oil cooler 174
- 3 Oil filter, oil pressure switch 175
- 3.1 Assembly overview - oil filter housing, oil pressure switch 175
- 3.2 Assembly overview - oil pressure switches/oil pressure control 177
- 3.3 Checking oil pressure 178
- 3.4 Removing and installing oil filter housing 178
- 3.5 Removing and installing oil pressure regulating valve N428 179
- 3.6 Removing and installing oil pressure sender G10 180
- 3.7 Removing and installing piston cooling jet control valve N522 182
- 4 Oil circuit 184
- 4.1 Assembly overview - oil circuit 184
- 4.2 Removing and installing oil supply line 184
- 4.3 Removing and installing oil return line for turbocharger 186
- Cooling 188
- 1 Cooling system/coolant 188
- 1.1 Checking cooling system for leaks 188
- 1.2 Draining and adding coolant 190
- 1.3 Checking filling quality 204
- 2 Coolant pump, regulation of cooling system 207
- 2.1 Assembly overview - coolant pump, thermostat 207
- 2.2 Assembly overview - electric coolant pump 209
- 2.3 Assembly overview - coolant temperature sender 210
- 2.4 Removing and installing coolant pump 211
- 2.5 Removing and installing thermostat 212
- 2.6 Removing and installing coolant temperature sender G62 214
- 2.7 Removing and installing engine outlet coolant temperature sender G82 214
- 2.8 Removing and installing coolant regulating valve N515 215
- 2.9 Removing and installing auxiliary pump for heating V488 216
- 2.10 Removing and installing charge air cooling pump V188 218
- 2.11 Removing and installing coolant temperature sender for charge air cooler G1130 220
- 3 Coolant pipes 222
- 3.1 Assembly overview - coolant pipes 222
- 3.2 Removing and installing coolant pipes 222
- 4 Radiator, radiator fan 227
- 4.1 Assembly overview - radiator, radiator fan 227
- 4.2 Assembly overview – radiator cowl and radiator fan 229
- 4.3 Removing and installing radiator 229
- 4.4 Removing and installing cooler for charge air cooling circuit 231
- 4.5 Removing and installing radiator cowl 234
- 4.6 Removing and installing radiator fan VX57 235
- 4.7 Removing and installing radiator fan 2 V177 236
- Turbocharging/supercharging 238
- 1 Turbocharger 238
- 1.1 Assembly overview - turbocharger 238
- 1.2 Removing and installing turbocharger 241
- 1.3 Removing and installing connection for turbocharger 243
- 2 Charge air system 245
- 2.1 Assembly overview - charge air system 245
- 2.2 Checking charge air cooler for leaks 245
- 2.3 Removing and installing charge air cooler 249
- 2.4 Removing and installing charge pressure sender GX26 249
- 2.5 Checking charge air system for leaks 250
- 2.6 Removing and installing air intake pipe 253
- Mixture preparation - injection 255
- 1 Injection system 255
- 1.1 Filling/bleeding fuel system 255
- 1.2 Checking fuel system for leaks 255
- 2 Injectors/high-pressure accumulator (rail) 257
- 2.1 Assembly overview - injectors 257
- 2.2 Assembly overview - fuel rail 258
- 2.3 Adapting correction values for injectors 260
- 2.4 Testing injectors 261
- 2.5 Checking return flow rate of injectors with engine running 261
- 2.6 Checking return flow rate of injectors at starter speed 264
- 2.7 Testing jammed-open injectors 266
- 2.8 Removing and installing injectors 268
- 2.9 Removing and installing high-pressure lines 271
- 2.10 Removing and installing fuel rail 276
- 3 Air filter 279
- 3.1 Assembly overview - air filter housing 279
- 3.2 Removing and installing air filter housing 281
- 3.3 Removing and installing air guide on lock carrier 281
- 4 Intake manifold 283
- 4.1 Assembly overview – intake manifold 283
- 4.2 Removing and installing intake manifold 287
- 4.3 Removing and installing throttle valve module GX3 290
- 5 Senders and sensors 293
- 5.1 Removing and installing fuel pressure regulating valve N276 293
- 5.2 Checking fuel pressure regulating valve N276 295
- 5.3 Removing and installing fuel pressure sender G247 297
- 5.4 Removing and installing pressure differential sender G505 298
- 5.7 Removing and installing control unit for NOx sender GX30 301
- 5.8 Removing and installing air mass measurement module GX35 302
- 5.9 Removing and installing control unit 2 for NOx sender GX46 304
- 5.10 Removing and installing control unit 3 for NOx sender GX50 306
- 5.11 Removing and installing control unit 1 for particulate sensor GX52 307
- 6 Engine control unit 310
- 6.1 Removing and installing engine control unit J623 310
- 7 High-pressure pump 312
- 7.1 Assembly overview - high-pressure pump 312
- 7.2 Removing and installing high-pressure pump 312
- 8 Lambda probe 318
- 8.1 Assembly overview - Lambda probe 318
- 8.2 Removing and installing Lambda probe 1 before catalytic converter GX10 320
- Exhaust system 322
- 1 Exhaust pipes and silencers 322
- 1.1 Assembly overview – silencers 322
- 1.2 Assembly overview - front exhaust pipe 324
- 1.3 Removing and installing front exhaust pipe 326
- 1.4 Separating exhaust pipes from silencers 328
- 1.5 Removing and installing silencer 329
- 1.6 Renewing exhaust pipes 333
- 1.7 Aligning exhaust system free of stress 333
- 1.8 Checking exhaust system for leaks 334
- 1.9 Installation position of clamp 335
- 2 Emission control 336
- 2.1 Assembly overview – emission control 336
- 2.2 Removing and installing emission control module 338
- 2.3 Removing and installing exhaust flap control unit J883 344
- 3 SCR system (selective catalytic reduction) 347
- 3.1 Assembly overview – reducing agent tank 347
- 3.2 Assembly overview - reducing agent supply line 348
- 3.3 Assembly overview - delivery module for reducing agent 349
- 3.4 Removing and installing reducing agent tank 350
- 3.5 Removing and installing filler pipe for reducing agent tank 352
- 3.6 Removing and installing front section of reducing agent supply line 354
- 3.7 Removing and installing middle section of reducing agent supply line 358
- 3.8 Removing and installing rear section of reducing agent supply line 360
- 3.9 Removing and installing delivery unit for reducing agent metering system GX19 362
- 3.10 Removing and installing injector for reduction agent N474 363
- 3.11 Removing and installing control unit for reducing-agent heater J891 366
- 3.12 Draining reducing agent tank 366
- 3.13 SCR - resetting learnt values 368
- 3.14 Removing and installing injector 2 for reducing agent N758 368
- 4 Exhaust gas temperature regulation 371
- 4.1 Assembly overview – exhaust gas temperature regulation 371
- 4.2 Removing and installing exhaust gas temperature sender 1 G235 372
- 4.3 Removing and installing exhaust gas temperature sender 2 G448 374
- 4.4 Removing and installing exhaust gas temperature sender 3 G495 375
- 4.5 Removing and installing exhaust gas temperature sender 4 G648 377
- 5 Exhaust gas recirculation 380
- 5.1 Assembly overview – exhaust gas recirculation 380
- 5.2 Removing and installing exhaust gas recirculation cooler 381
- 5.3 Checking exhaust gas recirculation cooler for leaks 383
- 5.4 Removing and installing exhaust gas recirculation valve 1 GX5 387
- 5.5 Removing and installing exhaust gas recirculation valve 2 GX6 388
- 5.6 Removing and installing exhaust gas recirculation temperature sensor G98 389
- Glow plug system 392
- 1 Glow plug system 392
- 1.1 Assembly overview – glow plug system 392
- 1.2 Removing and installing glow plug 393
- 1.3 Removing and installing automatic glow period control unit J179 396
- 1.4 Removing and installing Hall sender G40 396
- 1.5 Removing and installing engine speed sender G28 397