Fuel supply system - Diesel engines

Chapter overview

• Technical data
  1
• 1 Engine data
  1
• 2 Safety precautions
  2
• 2.1 Safety precautions when working on fuel supply system
  2
• 3 General repair notes
  4
• 3.1 Rules for cleanliness
  4
• Fuel supply system
  5
• 1 What to do if fuel tank filled with incorrect fuel
  5
• 1.1 Step 1 (Engine was started with incorrect fuel)
  5
• 1.2 Step 2 (Engine was not started with incorrect fuel)
  6
• 1.3 Step 3 (There are filings in fuel delivery unit and fuel tank)
  7
• 1.4 Step 4 (There are no filings in fuel delivery unit or fuel tank)
  8
• 1.5 Step 5 (There are filings in high-pressure pump)
  8
• 1.6 Step 6 (There are no filings in high-pressure pump)
  9
• 2 Fuel tank
  10
• 2.1 Assembly overview - fuel tank
  10
• 2.2 Removing, installing and checking breather valve
  16
• 2.3 Removing and installing fuel tank
  16
• 2.4 Emptying fuel tank
  22
• 3 Fuel delivery unit, fuel gauge sender
  31
• 3.1 Assembly overview - fuel delivery unit/fuel gauge sender (CAYA, CAYB, CAYC)
  31
• 3.2 Removing and installing fuel delivery unit/fuel gauge sender
  32
• 3.3 Fuel gauge sender (CAYA, CAYB, CAYC)
  41
• 3.4 Fuel gauge sender (CFWA)
  44
• 4 Detaching push-on connectors
  46
• 5 Fuel filter
  49
• 5.1 Assembly overview - fuel filter
  49
• 5.2 Removing and installing fuel filter
  52
• 5.3 Fuel hoses in the engine compartment (CFWA)
  56
• 6 Accelerator mechanism
  58
• 6.1 Assembly overview - accelerator module
  58
• 7 Fuel pump
  59
• 7.1 Checking fuel pump
  59