Auxiliary heater

Chapter overview

• Technical data
  1
• 1 General notes
  1
• 1.1 Starting conditions for auxiliary/supplementary heater
  1
• 1.2 Rules for cleanliness for working on the auxiliary heater and the fuel system
  2
• 1.3 Notes for vehicles with a Start/Stop system
  2
• 1.4 Identification plates
  3
• 2 Notes on safety
  6
• 2.1 Safety precautions for working on vehicles with auxiliary heater
  6
• 2.2 Safety measures for when working on vehicles with a Start/Stop system
  6
• 2.3 Safety precautions when working on the fuel system
  7
• 3 Repair notes
  8
• 3.1 Notes on general repairs on vehicles with auxiliary heaters
  8
• Auxiliary heating
  9
• 1 Fittings location overview - auxiliary/supplementary heater
  9
• 1.1 Overview of fittings locations - auxiliary/supplementary heater, Golf 2004 ►, Golf 2009 ►
  9
• 1.2 Overview of fitting location - auxiliary/supplementary heater, Golf Cabriolet 2012 ►
  11
• 2 Auxiliary/supplementary heater
  13
• 2.1 Fittings location overview - auxiliary/supplementary heater
  13
• 2.2 Removing and installing auxiliary/supplementary heater
  14
• 2.3 Removing and installing air intake silencer
  17
• 2.4 Removing and installing circulation pump V55
  18
• 2.5 Removing and installing exhaust system
  19
• 2.6 Removing and installing exhaust pipe for auxiliary heater
  19
• 2.7 Removing and installing silencer with bracket
  21
• 2.8 Removing and installing bracket for auxiliary heater
  21
• 2.9 Removing and installing cover
  21
• 2.10 Dismantling and assembling auxiliary heater Thermo Top V/fleece
  22
• 2.11 Removing and installing glow plug with flame monitoring Q8
  23
• 2.12 Components inside auxiliary heater
  24
• 3 Coolant circuit with auxiliary/supplementary heater
  28
• 3.1 Coolant hose schematic diagram
  28
• 3.2 Removing and installing heater coolant shut-off valve N279
  50
• 3.3 Bleeding coolant circuit of auxiliary heater
  52
• 4 Fuel supply
  54
• 4.1 Fittings location overview - fuel supply
  54
• 4.2 Rules for cleanliness
  56
• 4.3 Removing and installing metering pump V54
  56
• 4.4 Testing quantity of fuel delivered
  57
• 5 Regulation of auxiliary/supplementary heater
  60
• 5.1 Functional description
  60
• 5.2 Supplementary heating mode
  61
• 5.3 Auxiliary heater mode
  61
• 5.4 Switching off auxiliary/supplementary heater
  62
• 6 Other controlling and regulating components
  64
• 6.1 Removing and installing remote control receiver for auxiliary coolant heater R149
  64
• 6.2 Removing and installing ambient temperature sensor G17
  66
• 6.3 Functional description of remote control for auxiliary/supplementary heater
  67
• 7 Electric engine preheater, 230 V (or 115 V, depending on country)
  71
• 7.1 Safety measures for working on vehicles with engine preheater
  71
• 7.2 Rules for cleanliness when working on engine preheater
  71
• 7.3 Assembly overview - engine preheater, 1.6 l MPI, 2.0 l FSI, 1.9 l TDI
  71
• 7.4 Assembly overview - engine preheater, 2.0 l TDI Common Rail
  73
• 7.5 Removing and installing connector for mains plug
  73
• 7.6 Checking connector
  75
• 7.7 Testing safety switch (optional)
  76
• 7.8 Removing and installing engine preheater
  76
• 7.9 Connecting engine preheater into cooling circuit
  79