Heating, air conditioning

Chapter overview

• Heating
  1
• 1 Repairing heating system, passenger compartment
  1
• 1.1 Removing and installing fresh air blower V2 on vehicles with manual controls
  1
• 1.2 Removing and installing fresh air blower series resistor with overheating fuse N24
  2
• 1.3 Removing and installing dust and pollen filter
  3
• 1.4 Removing vents
  3
• 1.5 Removing and installing heat exchanger
  5
• 1.6 Removing and installing coolant pipes to heat exchanger
  9
• 1.7 Checking, removing and installing auxiliary air heater element Z35
  11
• 1.8 Checking ventilation
  13
• 1.9 Removing and installing inlet grilles
  14
• Air conditioning system
  16
• 1.1 Notes concerning odours in air conditioned vehicles
  16
• 2 Notes for vehicles with a start-stop system
  17
• 3 Air conditioning system with manual regulation „Climatic“ up to week 21/2011
  18
• 3.1 Air conditioning and heating - passenger compartment
  18
• 3.2 Air conditioning system with manual controls „Climatic“ to WEEK 21/2011
  21
• 3.4 Connectors on controls for heating and air conditioning „Climatic“
  23
• 3.5 Removing and installing flexible shaft for air distribution
  24
• 3.6 Removing and installing air distribution flap actuator
  25
• 3.7 Removing and installing air recirculation flap control motor V113
  26
• 3.8 Removing and installing temperature flap control motor V68
  26
• 3.9 Removing and installing footwell vent temperature sender G192
  28
• 3.10 Removing and installing centre vent temperature sender G191
  28
• 3.11 Ambient temperature sensor G17
  29
• 4 Air conditioning system with manual regulation from week 22/2011
  30
• 4.1 Function of manual air conditioning system controls
  30
• 4.3 Removing and installing evaporator temperature sensor G308
  33
• 4.4 Removing and installing air distribution flap control motor V428
  34
• 5 Air conditioning system with automatic regulation „Climatronic“
  35
• 5.1 Procedure for checking and adjusting components
  35
• 5.2 Function of operating and display unit for Climatronic air conditioning system E87
  36
• 5.4 Connectors on Climatronic control unit J255
  38
• 5.5 Climatronic - passenger compartment
  39
• 5.6 Removing and installing fresh air blower V2 on vehicles with automatic controls „Climatronic“
  42
• 5.7 Removing and installing fresh air blower control unit J126
  43
• 5.8 Removing and installing left footwell vent temperature sender G261
  43
• 5.9 Removing and installing right footwell vent temperature sender G262
  44
• 5.11 Ambient temperature sensor G17
  45
• 5.12 Function of air quality sensor G238
  45
• 5.13 Removing and installing air quality sensor G238
  47
• 5.14 Removing left vent temperature sender G150
  48
• 5.15 Removing right vent temperature sender G151
  48
• 5.17 Checking condensation water drainage hose on heater and air conditioner unit
  49
• 5.18 Removing and installing glove box cooling
  49
• 5.19 Renewing control motors for air conditioning regulation
  50
• 5.20 Removing and installing fresh air/recirculated air, air flow flap control motor V425
  50
• 5.21 Removing and installing setting unit for fresh air and air recirculation flap and air flow flap
  51
• 5.22 Removing and installing defroster flap control motor V107
  52
• 5.23 Removing and installing left temperature flap control motor V158
  53
• 5.24 Removing and installing right temperature flap control motor V159
  55
• 6 Removing and installing ancillary bracket for air conditioner compressor
  57
• 7.1 Testing equipment and tools
  59
• 7.2 Removing and installing heater and air conditioning unit
  60
• 7.3 Dismantling and assembling heater and air conditioner unit „Climatic“
  65
• 7.4 Dismantling and assembling heater and air conditioner unit „Climatronic“
  67
• 7.5 Assembly overview - evaporator housing
  69
• 7.6 Removing and installing air distribution housing
  70
• 7.7 Dismantling and assembling evaporator housing
  71
• 7.8 Removing and installing evaporator
  71
• 7.9 Renewing refrigerant circuit components
  72
• 7.10 Removing and installing high-pressure sender G65
  76
• 7.11 Removing and installing receiver with dryer
  76
• 7.12 Renewing dryer cartridge on Modine condenser
  78
• 7.13 Removing and installing air conditioner compressor
  80
• 7.15 Checking high-pressure safety valve on air conditioner compressor
  86
• 7.16 Expansion valve, function and removing
  86
• 7.17 Removing and installing condenser
  89
• 7.18 Notes on installing air conditioner compressor
  91
• 8 Capacities
  95
• 8.1 Refrigerant R134a
  95
• 8.2 Refrigerant oil
  95