Fuel supply system, petrol engines

Chapter overview

• Technical data
  1
• 1 Safety information
  1
• 1.1 Safety regulations for working on fuel supply
  1
• 1.2 Safety measures when working on vehicles with a start/stop system
  1
• 1.4 Safety precautions when working on the cooling system
  2
• 1.5 Safety precautions when working on ignition system
  2
• 1.6 Safety precautions when working on exhaust system
  3
• 2 Marking
  4
• 2.1 Engine number/engine data
  4
• 3 Repair instructions
  5
• 3.1 Rules for cleanliness
  5
• 3.2 Foreign objects in engine
  5
• 3.3 Contact corrosion
  5
• 3.4 Routing and attachment of lines
  6
• 3.5 Checking vacuum system
  6
• Fuel supply system
  7
• 1 Procedure in event of misfuelling
  7
• 2 Fuel
  9
• 2.1 Assembly overview - fuel tank
  9
• 2.2 Emptying fuel tank
  11
• 2.3 Removing and installing fuel tank
  14
• 3 Fuel delivery unit, fuel gauge sender
  18
• 3.1 Assembly overview - fuel delivery unit/fuel gauge sender
  18
• 3.2 Removing and installing fuel delivery unit, fuel gauge sender
  18
• 3.3 Removing and installing fuel gauge sender G
  20
• 4 Plug-in connectors
  22
• 4.1 Separating plug-in connectors
  22
• 5 Activated charcoal filter system
  25
• 5.1 Assembly overview – activated charcoal filter system
  25
• 5.2 Removing and installing activated charcoal filter
  25
• 5.3 Checking fuel tank breather
  26
• 6 Accelerator pedal
  33
• 6.1 Assembly overview - accelerator module
  33
• 6.2 Removing and installing accelerator pedal module GX2
  33
• 7 Fuel supply
  35
• 7.1 Checking fuel system pressurisation pump G6
  35
• 7.2 Removing and installing fuel pump control unit J538
  40