Fuel supply system - diesel engines

Chapter overview

• Technical data
  1
• 1 Safety information
  1
• 1.1 Safety regulations for working on fuel supply
  1
• 1.2 Safety precautions when working on vehicles with a start/stop system
  2
• 1.4 Safety precautions when working on the SCR system
  2
• 2 Identification
  4
• 2.1 Engine number/engine data
  4
• 3 General information
  5
• Fuel supply system
  6
• 1 Procedure should vehicle be misfueled
  6
• 1.1 Step 1: engine was started with incorrect fuel
  6
• 1.2 Step 2: engine was not started with incorrect fuel
  7
• 1.3 Step 3: swarf in fuel delivery unit and fuel tank
  8
• 1.4 Step 4: no swarf in fuel delivery unit or fuel tank
  9
• 1.5 Step 5 (There are filings in high-pressure pump)
  9
• 1.6 Step 6 (There are no filings in high-pressure pump)
  10
• 2 Fuel
  11
• 2.1 Assembly overview - fuel tank
  11
• 2.2 Removing and installing fuel tank
  16
• 2.3 Emptying fuel tank
  24
• 3 Fuel delivery unit, fuel gauge sender
  34
• 3.1 Removing and installing fuel delivery unit, fuel gauge sender
  34
• 3.2 Removing and installing fuel gauge sender
  37
• 4 Separating plug-in connectors
  41
• 5 Fuel filter
  45
• 5.1 Assembly overview - fuel filter
  45
• 5.2 Removing and installing fuel filter
  46
• 6 Accelerator pedal
  51
• 6.1 Assembly overview - accelerator module
  51
• 6.2 Removing and installing accelerator pedal module
  51
• 7 Fuel pump
  54
• 7.1 Checking fuel pump
  54
• 7.2 Removing and installing fuel pump
  64
• 7.3 Removing and installing suction-jet pump
  66