Heating, air conditioning

Chapter overview

• Heating
  1
• 1 Repairing heating system
  1
• 1.1 Passenger compartment heating
  1
• 1.2 Removing fresh air blower V2
  2
• 1.3 Removing and installing fresh air blower series resistor with overheating fuse N24
  3
• 1.4 Removing and installing dust and pollen filter
  4
• 1.5 Removing vents
  4
• 1.6 Removing and installing controls for fresh and heated air
  7
• 1.7 Connections on controls for heated and fresh air
  8
• 1.8 Removing and installing flexible shafts
  9
• 1.9 Checking ventilation
  10
• 2 Removing and installing heater unit
  11
• 3 Dismantling and assembling heater unit
  13
• 3.1 Removing and installing air distribution flap actuator
  14
• 3.2 Removing and installing temperature flap actuator
  15
• 3.3 Removing and installing fresh air/recirculated air flap control motor V154
  16
• 3.4 Assembly overview - heat exchanger
  17
• 3.5 Removing and installing heat exchanger
  18
• 3.6 Removing and installing auxiliary air heater element Z35
  19
• 3.7 Checking auxiliary air heater element Z35
  21
• Air conditioning system
  26
• 2 Air conditioning system with manual controls, Climatic
  27
• 2.1 Air conditioning and heating - passenger compartment
  27
• 2.2 Removing and installing heating and air conditioning controls, Climatic
  29
• 2.3 Connections on controls for heating and air conditioning, Climatic
  30
• 2.4 Removing and installing flexible shaft
  31
• 2.5 Removing and installing heater and air conditioning unit
  32
• 2.6 Dismantling and assembling heater and air conditioner unit
  33
• 2.7 Removing and installing temperature flap control motor V68
  34
• 2.8 Climatic - engine compartment
  35
• 2.9 Checking water drain valve
  37
• 2.10 Checking high-pressure safety valve on air conditioner compressor
  37
• 2.11 Removing and installing high pressure sender G65
  37
• 3 Climatronic air conditioning with automatic regulation
  39
• 3.1 Procedure for checking and adjusting components
  39
• 3.4 Connectors on Climatronic control unit J255
  42
• 3.5 Climatronic - passenger compartment
  43
• 3.6 Removing and installing footwell vent temperature sender G192
  45
• 3.7 Removing and installing evaporator out-flow temperature sender G263
  46
• 3.8 Removing and installing centre vent temperature sender G191
  46
• 3.9 Removing and installing sunlight penetration photo sensor G107
  47
• 3.10 Removing and installing fresh air intake duct temperature sensor G89
  47
• 3.11 Removing and installing fresh air blower control unit J126
  48
• 3.12 Dismantling and assembling heater and air conditioner unit
  48
• 3.15 Removing and installing air flow flap control motor V71
  51
• 3.16 Removing and installing central flap control motor V70
  52
• 3.18 Climatronic - engine compartment
  55
• 4 Bracket for air conditioner compressor
  57
• 4.5 Removing and installing poly V-belt pulley or air conditioning system magnetic clutch N25
  65
• 5.2 Renewing refrigerant circuit components
  69
• 5.3 Removing dryer cartridge
  73
• 5.4 Dismantling and assembling evaporator housing
  76
• 5.5 Expansion valve, function and removal
  77
• 5.6 Removing and installing condenser
  78
• 5.7 Quick release coupling
  80
• 5.8 Notes on installing air conditioner compressor
  82
• 6 Capacities
  84
• 6.1 Refrigerant R134a
  84
• 6.2 Refrigerant oil
  84