12-cylinder injection engine

Chapter overview

• Technical data
  1
• 1 Technical data
  1
• 1.1 Engine data
  1
• Removing and installing engine
  3
• 1 Removing and installing engine
  3
• 1.1 Removing engine
  4
• Crankshaft group
  17
• 1 Dismantling and assembling engine
  17
• 1.1 Assembly overview
  17
• 1.2 Removing and installing poly V-belt
  19
• 2 Sealing flange and drive plate
  21
• 2.1 Assembly overview
  21
• 2.2 Renewing crankshaft oil seal, vibration damper end
  23
• 2.3 Removing and installing drive plate
  24
• 2.4 Renewing crankshaft oil seal -flywheel end-
  26
• Cylinder head, valve gear
  28
• 1 Cylinder heads
  28
• 1.1 Assembly overview - cylinder bank 1
  29
• 1.2 Assembly overview - cylinder bank 2
  32
• 1.3 Removing and installing cylinder head cover (cylinder banks 1 and 2)
  34
• 1.4 Removing and installing cylinder head (cylinder banks 1 and 2)
  36
• 1.5 Checking compression
  42
• 2 Chain drive
  45
• 2.1 Assembly overview - parts of chain drive
  45
• 2.2 Adjusting valve timing
  48
• 3 Valve gear
  58
• 3.1 Assembly overview - valve gear (cylinder banks 1 and 2)
  58
• 3.2 Reworking valve seats
  63
• 3.3 Removing and installing camshaft control valves
  64
• 3.4 Removing and installing camshafts
  66
• 3.5 Checking valve guides
  75
• 3.6 Renewing valve stem seals
  75
• Lubrication
  78
• 1 Parts of lubrication system
  78
• 1.1 Engine oil
  78
• 1.2 Oil capacities
  78
• 1.3 Checking engine oil level
  79
• 1.4 Assembly overview - sump
  79
• 1.5 Removing and installing lower part of sump
  81
• 1.6 Removing and installing upper part of sump
  83
• 1.7 Assembly overview - oil pump
  86
• 1.8 Removing and installing oil pump
  88
• 1.9 Assembly overview - oil filter housing
  89
• 1.10 Checking oil pressure and oil pressure switch
  90
• Cooling
  92
• 1 Parts of cooling system
  92
• 1.1 Assembly overview - radiator
  93
• 1.2 Assembly overview - additional cooler
  95
• 1.3 Assembly overview - radiator fan
  96
• 1.4 Parts of cooling system - engine side, at top
  96
• 1.5 Parts of cooling system - engine side, at upper front
  98
• 1.6 Parts of cooling system - engine side, at front
  98
• 1.7 Parts of cooling system - engine side, at rear
  99
• 1.8 Assembly overview - water pump V36
  101
• 1.9 Parts of cooling system - body side
  101
• 1.10 Coolant hose schematic diagram
  103
• 1.11 Draining and filling coolant
  104
• 1.12 Removing and installing radiator
  107
• 1.13 Removing and installing coolant pump
  108
• 1.14 Removing and installing thermostat housing
  109
• 1.15 Checking cooling system for leaks
  110
• Fuel supply system
  112
• 1 Parts of fuel supply system
  112
• 1.1 Safety precautions when working on fuel supply system
  113
• 1.2 Rules for cleanliness
  113
• 1.3 Assembly overview - fuel tank
  113
• 1.4 Assembly overview - fuel filter
  116
• 1.5 Schematic diagram of fuel lines and components in fuel tank
  116
• 1.6 Renewing fuel filter
  118
• 1.7 Emptying fuel tank
  120
• 1.9 Removing and installing fuel tank with attached components
  125
• 1.10 Checking fuel pumps
  129
• 1.11 Checking delivery rate of pumps
  130
• 1.12 Checking non-return valve of right pump
  133
• 1.13 Checking non-return valve of left pump
  134
• 2 Electronic power control (EPC)
  137
• 2.1 Function of EPC system
  137
• 2.2 Assembly overview - accelerator mechanism
  137
• 3 Activated charcoal filter system
  139
• 3.1 Function
  139
• 3.2 Assembly overview - activated charcoal filter system (vehicles up to 08.2006)
  140
• 3.3 Assembly overview - activated charcoal filter system (vehicles from 08.2006)
  141
• 3.4 Checking fuel system for leaks
  142
• 3.5 Checking activated charcoal filter system breather
  144
• Mixture preparation - injection
  147
• 1 Injection system
  147
• 1.1 Safety precautions
  147
• 1.2 Rules for cleanliness
  148
• 1.3 Assembly overview - intake manifold upper part
  148
• 1.4 Assembly overview - intake manifold lower part
  150
• 1.5 Assembly overview - fuel rail
  151
• 1.6 Assembly overview - air filter
  151
• 1.7 Technical data
  153
• 2 Lambda probes
  154
• 2.1 Fitting locations of Lambda probes
  154
• 2.2 Removing and installing Lambda probe G39 and Lambda probe 2 G108
  155
• 2.3 Removing and installing Lambda probe 3 G285 and Lambda probe 4 G286
  156
• 4 after catalytic converter G288
  157
• 3 Checking components
  158
• 3.1 Checking injectors
  158
• 3.2 Checking fuel pressure regulator and holding pressure
  161
• 4 Engine control units
  164
• 4.1 Removing and installing engine control units
  164
• 4.2 Removing and installing anti-theft engine control unit
  164
• Exhaust system
  168
• 1 Removing and installing parts of exhaust system
  168
• 1.3 Assembly overview - silencers with mountings
  172
• 2 Secondary air system
  175
• 2.1 Parts of secondary air system - body side
  175
• 2.2 Parts of secondary air system - engine side
  177
• Ignition system
  179
• 1 Repairing ignition system
  179
• 1.1 Assembly overview - parts of ignition system
  179
• 1.2 Safety precautions
  181
• 1.3 Test data, spark plugs
  181
• 1.4 Removing and installing ignition coils with output stage
  182