Fuel supply system - diesel engines

Chapter overview

• Technical data
  1
• 1 Identification
  1
• 1.1 Engine number/engine data
  1
• 2 Safety information
  2
• 2.1 Safety regulations for working on fuel supply
  2
• 2.2 Safety measures when working on vehicles with a start/stop system
  3
• 3 General information
  4
• 4 Repair instructions
  5
• 4.1 Rules for cleanliness
  5
• 4.2 Foreign objects in engine
  5
• 4.3 Contact corrosion
  5
• 4.4 Routing and attachment of lines
  6
• 4.5 Fitting radiator and condensers
  6
• Fuel supply system
  7
• 1 Procedure in event of misfuelling
  7
• 1.1 Step 1 (Engine was started with incorrect fuel)
  7
• 1.2 Step 2 (Engine was not started with incorrect fuel)
  8
• 1.3 Step 3 (There are filings in fuel delivery unit and fuel tank)
  9
• 1.4 Step 4 (There are no filings in fuel delivery unit and fuel tank)
  10
• 1.5 Step 5 (There are filings in high-pressure pump)
  10
• 1.6 Step 6 (There are no filings in high-pressure pump)
  11
• 2 Fuel
  12
• 2.1 Assembly overview - fuel tank
  12
• 2.2 Removing and installing fuel tank
  13
• 2.3 Emptying fuel tank
  16
• 2.4 Removing and installing misfuelling prevention device
  20
• 2.5 Deactivating misfuelling prevention device
  25
• 3 Fuel delivery unit, fuel gauge sender
  26
• 3.1 Assembly overview - fuel delivery unit/fuel gauge sender
  26
• 3.2 Removing and installing fuel delivery unit, fuel gauge sender
  27
• 4 Plug-in connectors
  30
• 4.1 Separating plug-in connectors
  30
• 5 Fuel filter
  34
• 5.1 Assembly overview - fuel filter
  34
• 6 Accelerator pedal
  36
• 6.1 Assembly overview - accelerator module
  36
• 7 Fuel pump
  37
• 7.1 Checking fuel system pressurisation pump G6
  37
• 7.2 Removing and installing suction-jet pump
  47