Fuel supply system - diesel engines

Chapter overview

• Technical data
  1
• 1 Identification
  1
• 1.1 Engine number/engine data
  1
• 2 Safety information
  3
• 2.1 Safety regulations for working on fuel supply
  3
• 2.2 Safety measures when working on vehicles with a start/stop system
  3
• 2.4 Safety precautions when working on the cooling system
  4
• 2.5 Safety precautions when working on SCR system
  4
• 2.6 General safety provisions
  5
• 2.7 Safety precautions when working on exhaust system
  5
• 3 Repair instructions
  6
• 3.1 Rules for cleanliness
  6
• 3.2 General notes
  6
• 3.3 Foreign objects in engine
  6
• 3.4 Contact corrosion
  7
• 3.5 Routing and attachment of lines
  7
• 3.6 Checking vacuum system
  7
• 3.7 Assessing quality of diesel fuel
  8
• Fuel supply system
  9
• 1 Procedure in event of misfuelling
  9
• 2 Fuel
  13
• 2.1 Assembly overview - fuel tank
  13
• 2.2 Emptying fuel tank
  15
• 2.3 Removing and installing fuel tank
  19
• 3 Fuel delivery unit, fuel gauge sender
  28
• 3.1 Assembly overview - fuel delivery unit/fuel gauge sender
  28
• 3.2 Removing and installing fuel delivery unit, fuel gauge sender
  29
• 3.3 Removing and installing fuel gauge sender G
  30
• 4 Plug-in connectors
  31
• 4.1 Separating plug-in connectors
  31
• 5 Fuel filter
  36
• 5.1 Assembly overview – fuel filter
  36
• 5.2 Removing and installing fuel filter
  36
• 6 Accelerator pedal
  40
• 6.1 Assembly overview - accelerator module
  40
• 6.2 Removing and installing accelerator pedal module GX2
  40
• 7 Fuel supply
  42
• 7.1 Checking fuel system pressurisation pump G6
  42
• 8 Senders and sensors
  50
• 8.1 Removing and installing water separator sender G63
  50