Technical data
11 Safety information
11.1 Safety regulations for working on fuel supply
11.2 Safety measures when working on vehicles with start/stop system
21.4 Safety precautions when working on the cooling system
21.5 Safety precautions when working on the SCR system
21.6 Safety precautions when working on ignition system
31.7 Safety precautions when working on exhaust system
32 Identification
42.1 Engine number/engine data
43 Repair notes
53.1 Rules for cleanliness
53.2 General information
53.3 Foreign objects in engine
63.4 Contact corrosion
63.5 Routing and attachment of lines
63.6 Checking vacuum system
6Removing and installing engine
81 Removing and installing motor
81.1 Removing motor
81.2 Separating engine and gearbox
171.3 Securing engine on engine and gearbox support
191.4 Installing engine
202 Assembly mountings
242.1 Assembly overview - assembly mountings
242.2 Removing and installing engine mounting
252.3 Removing and installing gearbox mountings
272.4 Removing and installing pendulum support
292.5 Supporting engine in installation position
30Crankshaft group
361 Cylinder block (pulley end)
361.1 Assembly overview - cylinder block (pulley end)
361.2 Assembly overview - sealing flange, belt pulley end
391.3 Removing and installing poly-V belt
401.4 Removing and installing tensioner for poly V-belt
431.5 Removing and installing vibration damper
431.6 Removing and installing bracket for ancillaries
451.7 Removing and installing engine support
471.8 Removing and installing sealing flange on pulley end
481.9 Removing and installing cover for poly V-belt
512 Cylinder block, gearbox end
522.1 Assembly overview - cylinder block, gearbox end
522.2 Assembly overview - drive plate
542.3 Removing and installing drive plate
552.4 Removing and installing flywheel
562.5 Removing and installing sealing flange on gearbox side
583 Crankshaft
683.1 Assembly overview - crankshaft
683.2 Crankshaft dimensions
703.3 Renewing needle bearing in crankshaft
703.4 Measuring axial clearance of crankshaft
723.5 Measuring radial clearance of crankshaft
734 Auxiliary drive
744.1 Assembly overview - ancillary drive
744.2 Removing and installing 2nd alternator
764.3 Removing and installing 2nd air conditioner compressor
774.4 Removing and installing bracket for auxiliary drive
815 Pistons and conrods
845.1 Assembly overview - pistons and conrods
845.2 Removing and installing pistons
865.3 Measuring piston projection at TDC
885.4 Checking pistons and cylinder bores
905.5 Separating new conrod
935.6 Checking radial clearance of conrods
935.7 Removing and installing oil spray jets
94Cylinder head, valve gear
961 Cylinder head
961.1 Assembly overview - cylinder head
961.2 Assembly overview - camshaft housing
991.3 Assembly overview - cylinder head cover
1011.4 Removing and installing cylinder head
1031.5 Removing and installing cylinder head cover
1111.6 Removing and installing injector seals
1131.7 Removing and installing camshaft housing
1141.8 Checking compression
1192 Toothed belt drive
1212.1 Assembly overview - toothed belt cover
1212.2 Assembly overview - toothed belt
1212.3 Removing and installing toothed belt guard
1242.4 Removing and installing toothed belt
1282.5 Removing toothed belt from camshaft
1443 Valve gear
1523.1 Assembly overview - valve gear
1523.2 Measuring axial play of camshaft
1543.3 Removing and installing camshaft oil seal
1553.4 Checking hydraulic compensation elements
1573.5 Removing and installing valve stem seals
1573.6 Removing and installing toothed belt pulley
1704 Inlet and exhaust valves
1724.1 Checking valve guides
1724.2 Checking valves
1734.3 Valve dimensions
173Lubrication
1741 Sump, oil pump
1741.1 Assembly overview - sump/oil pump
1741.2 Engine oil:
1761.3 Removing and installing sump
1761.4 Removing and installing oil pump
1801.5 Removing and installing oil level and oil temperature sender G266
1811.6 Removing and installing toothed belt for oil pump
1832 Engine oil cooler
1843 Oil filter, oil pressure switch
1853.1 Assembly overview - oil filter housing, oil pressure switch
1853.2 Removing and installing oil pressure switch F1
1873.3 Removing and installing oil pressure switch for reduced oil pressure F378
1883.4 Checking oil pressure
1903.5 Removing and installing oil filter housing
1903.6 Removing and installing oil pressure regulating valve N428
1933.7 Measuring oil consumption
1944 Oil circuit
1954.1 Assembly overview - oil circuit
1954.2 Removing and installing oil supply line
1974.3 Removing and installing oil return line for turbocharger
200Cooling
2051 Cooling system/coolant
2051.1 Assembly overview – coolant expansion tank
2051.2 Connection diagram - coolant hoses
2061.3 Checking cooling system for leaks
2141.4 Draining and adding coolant
2161.5 Removing and installing coolant expansion tank
2342 Coolant pump, regulation of cooling system
2372.1 Assembly overview - coolant pump, thermostat
2372.2 Assembly overview - electric coolant pump
2392.3 Assembly overview - coolant temperature sender
2402.4 Removing and installing pump for exhaust gas recirculation cooler V400
2402.5 Removing and installing charge air cooling pump V188
2422.6 Removing and installing auxiliary pump for heating V488
2442.7 Removing and installing coolant pump
2452.8 Removing and installing thermostat
2462.9 Checking thermostat
2482.10 Removing and installing coolant valve for cylinder head N489
2482.11 Removing and installing coolant temperature sender G62
2502.12 Removing and installing radiator outlet coolant temperature sender G83
2512.13 Removing and installing coolant temperature sender 3 G812
2532.14 Removing and installing shut-off valve
2563 Coolant pipes
2593.1 Assembly overview - coolant pipes
2593.2 Removing and installing coolant pipes
2614 Radiator, radiator fan
2764.1 Assembly overview - radiator/radiator fan
2764.2 Assembly overview - radiator cowl and radiator fan
2774.3 Removing and installing radiator
2784.4 Removing and installing radiator cowl with radiator fan
2824.5 Removing and installing radiator fan V7
2834.6 Removing and installing auxiliary radiator
2844.7 Removing and installing radiator blind control motors V544/V550
286Turbocharging/supercharging
2891 Turbocharger
2891.1 Assembly overview - turbocharger
2891.2 Removing and installing turbocharger
2951.3 Renewing vacuum unit for turbocharger
3041.4 Removing and installing compressor housing and turbine housing
3171.5 Removing and installing upper connecting pipe
3191.6 Removing and installing lower connecting pipe
3202 Charge air system
3232.1 Assembly overview - charge air system
3232.2 Removing and installing charge air cooler
3252.3 Removing and installing charge pressure sender 2 G447
3282.4 Checking charge air system for leaks
3292.5 Detaching and securing charge air cooler
3312.6 Removing and installing bracket for charge air cooler
3332.7 Checking charge air cooler for leaks
334Mixture preparation - injection
3371 Injection system
3371.1 Filling/bleeding fuel system
3371.2 Checking fuel system for leaks
3382 Vacuum system
3392.1 Connection diagram - vacuum system
3392.2 Assembly overview - vacuum system
3422.3 Assembly overview - vacuum pipes
3432.4 Checking vacuum system
3442.5 Removing and installing solenoid valves N75/N274/N529/N316
3452.6 Removing and installing vacuum pipes
3463 Injectors/high-pressure accumulator (rail)
3483.1 Assembly overview - injectors
3483.2 Assembly overview - fuel rail
3503.3 Adapting correction values for injectors
3513.4 Testing injectors
3523.5 Testing jammed-open injectors
3533.6 Checking return flow rate of injectors with engine running
3553.7 Checking return flow rate of injectors at starter speed
3563.8 Removing and installing injectors
3593.9 Removing and installing high-pressure lines
3623.10 Removing and installing fuel rail
3684 Air filter
3714.1 Assembly overview - air filter housing
3714.2 Removing and installing air filter housing
3715 Intake manifold
3735.1 Assembly overview - intake manifold
3735.2 Removing and installing intake manifold
3755.3 Removing and installing throttle valve module GX3
3785.4 Removing and installing vacuum unit for intake manifold
3796 Senders and sensors
3816.1 Removing and installing fuel pressure regulating valve N276
3816.2 Checking fuel pressure regulating valve N276
3836.3 Removing and installing fuel pressure sender G247
3846.4 Removing and installing air mass meter G70
3866.5 Removing and installing pressure differential sender G505
3876.8 Removing and installing fuel temperature sender G81
3906.9 Removing and installing control unit for NOx sender J583/NOx sender G295
3926.10 Removing and installing control unit for NOx sender 2 J881/NOx sender 2 G687
3936.13 Removing and installing intake manifold sender GX9
3987 Engine control unit
3997.1 Removing and installing engine control unit J623
3998 High-pressure pump
4018.1 Assembly overview - high-pressure pump
4018.2 Removing and installing high-pressure pump
4028.3 Checking high-pressure pump
4079 Lambda probe
4109.1 Assembly overview - Lambda probe
4109.2 Removing and installing Lambda probe 1 before catalytic converter GX10
411Exhaust system
4131 Exhaust pipes and silencers
4131.1 Assembly overview - silencers
4131.2 Removing and installing front silencer
4141.3 Aligning exhaust system free of stress
4161.4 Checking exhaust system for leaks
4171.5 Installation position of clamp
4171.6 Removing and installing exhaust tailpipe
4172 Emission control
4192.1 Assembly overview - emission control
4192.2 Removing and installing catalytic converter
4212.3 Removing and installing particulate filter
4233 SCR system (selective catalytic reduction)
4273.1 Assembly overview - tank for reducing agent
4273.2 Assembly overview - delivery module for reducing agent
4283.3 Removing and installing reducing agent tank VX85
4293.4 Removing and installing delivery unit for reducing agent metering system GX19
4333.5 Removing and installing injector for reduction agent N474
4353.6 Removing and installing control unit for reducing-agent heater J891
4383.7 Draining reducing agent tank VX85
4393.8 Removing and installing filler pipe for reducing agent tank VX85
4413.9 Disconnecting reducing agent supply line
4443.10 SCR - resetting learnt values
4464 Exhaust gas temperature regulation
4474.1 Assembly overview - exhaust gas temperature regulation
4474.2 Removing and installing exhaust gas temperature sender 1 G235
4474.3 Removing and installing exhaust gas temperature sender 2 G448
4494.4 Removing and installing exhaust gas temperature sender 3 G495
4515 Exhaust gas recirculation
4545.1 Assembly overview - exhaust gas recirculation
4545.2 Removing and installing exhaust gas recirculation cooler
4565.3 Removing and installing exhaust gas recirculation pipes
4605.4 Removing and installing temperature sensor 2 for exhaust gas recirculation G690
4625.5 Checking exhaust gas recirculation cooler for leaks
4635.6 Removing and installing temperature sensor 3 for exhaust gas recirculation G949
4665.7 Removing and installing bracket for exhaust gas recirculation cooler
467Glow plug system
4751 Glow plug system
4751.1 Assembly overview - glow plug system
4751.2 Removing and installing glow plug
4761.3 Checking glow plug
4801.4 Removing and installing automatic glow period control unit J179
4801.5 Removing and installing knock sensor 1 G61
4811.6 Removing and installing knock sensor 2 G66
4831.7 Removing and installing Hall sender G40
4841.8 Removing and installing engine speed sender G28
484