Heating, air conditioning

Chapter overview

• Heating
  1
• 1 Repairing heating system
  1
• 1.1 Passenger compartment heating
  1
• 1.2 Removing and installing fresh air blower V2
  4
• 1.3 Removing and installing fresh air blower series resistor with overheating fuse N24
  4
• 1.4 Removing and installing dust and pollen filter
  5
• 1.5 Removing and installing vents
  5
• 1.6 Removing and installing controls for heated and fresh air
  8
• 1.7 Connectors on controls for heated and fresh air
  9
• 1.8 Removing, installing and checking flexible shaft for air distribution
  10
• 1.9 Removing and installing Bowden cable for temperature flap
  11
• 1.11 Removing and installing heat exchanger
  15
• 1.14 Removing and installing auxiliary air heater element Z35
  20
• 1.15 Checking ventilation
  21
• 1.16 Removing and installing air intake grille (Golf Plus 2005)
  22
• 1.17 Removing and installing air intake grille (Golf Plus 2009)
  22
• 1.18 Removing and installing heater unit
  23
• 2 Dismantling and assembling heater unit
  29
• 2.1 Dismantling and assembling heater unit
  29
• 2.2 Removing and installing air distribution housing
  31
• 2.3 Dismantling and assembling heater unit
  32
• 2.4 Removing and installing air distribution flap actuator
  32
• 2.5 Removing and installing temperature flap actuator
  33
• Air conditioning system
  34
• 1 General notes
  34
• 1.2 Notes concerning odours in air conditioned vehicles
  34
• 1.3 Notes for vehicles with a start-stop system
  35
• 2 Notes on safety
  36
• 2.1 Safety precautions when handling refrigerants
  36
• 2.2 Safety measures for when working on vehicles with a start-stop system
  36
• 3 Air conditioning system with manual controls “Climatic” (Golf Plus 2005)
  37
• 3.1 Function of buttons on controls for heating and air conditioning “Climatic”
  37
• 3.2 Climatic air conditioning and heating in passenger compartment
  40
• 3.3 Removing and installing heating and air conditioning controls, Climatic
  42
• 3.4 Connections on controls for heating and air conditioning, Climatic
  42
• 3.5 Removing and installing flexible shaft
  44
• 3.6 Checking condensation water drainage hose on heater and air conditioner unit
  44
• 3.7 Removing and installing front air distribution flap control motor V426
  45
• 3.8 Removing and installing temperature flap control motor V68
  45
• 3.9 Removing and installing air recirculation flap control motor V113
  47
• 3.10 Removing and installing centre vent temperature sender G191
  47
• 3.11 Removing and installing footwell vent temperature sender G192
  48
• 4.1 Climatic air conditioning and heating in passenger compartment
  49
• 4.2 Function of heating and air conditioning controls, Climatic
  52
• 4.4 Connectors on controls for heating and air conditioning “Climatic”
  53
• 5 Air conditioning system with electric/manual controls, as of week 22/2011, Golf Plus 2009
  55
• 5.1 Function of controls, air conditioning system with electric/manual controls
  55
• 5.3 Removing and installing evaporator temperature sensor G308
  59
• 5.4 Removing and installing air distribution flap control motor V428
  59
• 6 Air conditioning system with automatic regulation “Climatronic”
  61
• 6.1 Procedure for checking and adjusting components
  61
• 6.2 Overview of operating and display unit, Climatronic
  62
• 6.4 Connectors on Climatronic control unit J255 (Golf Plus 2005)
  67
• 6.6 Connectors on Climatronic control unit J255 (Golf Plus 2009)
  69
• 6.7 Climatronic - passenger compartment
  70
• 6.9 Removing and installing fresh air blower control unit J126 , as of week 22/2011
  75
• 6.10 Dismantling and assembling evaporator housing
  75
• 6.11 Removing ambient temperature sensor G17
  76
• 6.12 Function of air quality sensor G238
  76
• 6.13 Removing and installing air quality sensor G238
  77
• 6.15 Removing left vent temperature sender G150
  79
• 6.16 Removing right vent temperature sender G151
  79
• 6.17 Removing left footwell vent temperature sender G261 (Golf Plus 2005)
  79
• 6.18 Removing left footwell vent temperature sender G261 (Golf Plus 2009)
  80
• 6.19 Removing right footwell vent temperature sender G262
  80
• 6.21 Checking condensation water drainage hose on heater and air conditioner unit
  81
• 6.22 Renewing control motors for air conditioning regulation
  81
• 6.23 Removing and installing central flap control motor V70
  81
• 6.26 Removing and installing defroster flap control motor V107
  86
• 6.27 Removing and installing air recirculation flap control motor V113
  87
• 6.28 Removing and installing left temperature flap control motor V158
  88
• 6.29 Removing and installing right temperature flap control motor V159
  90
• 6.30 Removing and installing glove box cooling
  90
• 7 Ancillary bracket for air conditioner compressor Golf Plus 2005 ►
  92
• 7.4 Engine codes: BLG, BMY and CAVD
  98
• 7.5 Engine codes: BLR, BLY, BSE, BSF, BVZ, BVY and CCSA
  100
• 7.6 Removing and installing bracket for ancillary units, Golf Plus 2009 ►
  103
• 8.1 Removing and installing heater and air conditioning unit
  105
• 8.5 Dismantling and assembling heater and air conditioner unit “Climatronic”
  118
• 8.6 Renewing refrigerant circuit components
  119
• 8.7 Removing and installing high-pressure sender G65
  123
• 8.9 Removing and installing receiver with dryer (Golf Plus 2005)
  127
• 8.10 Renewing dryer cartridge on Modine condenser
  129
• 8.11 Removing and installing air conditioner compressor
  131
• 8.12 Assembly overview - belt pulley
  134
• 8.13 Removing and installing belt pulley
  135
• 8.14 Checking high-pressure safety valve on air conditioner compressor
  137
• 8.15 Expansion valve, function and removing
  137
• 8.16 Removing and installing evaporator
  139
• 8.17 Removing and installing condenser
  139
• 8.18 Notes on installing air conditioner compressor
  142
• 9 Capacities
  144
• 9.1 Refrigerant R134a
  144
• 9.2 Refrigerant oil
  144
• 9.3 Oil distribution
  144