Heating, air conditioner

Kapitelübersicht

• Technical data
  1
• 1 General information
  1
• 1.1 Notes concerning odours in air conditioned vehicles
  1
• 1.2 Notes for vehicles with a start/stop system
  1
• 1.4 Procedure when checking and adjusting components
  2
• 1.5 Type plates
  3
• 2 Safety information
  4
• 2.1 Safety precautions when handling refrigerants
  4
• 2.2 Safety measures when working on vehicles with a start/stop system
  4
• 3 Repair instructions
  5
• 4 Technical data
  7
• 4.1 Capacities for refrigerant R134a
  7
• 4.2 Refrigerant oil
  7
• 4.3 Oil distribution
  7
• Heating
  8
• 1 Overview of fitting locations - heating
  8
• 2 Heater
  10
• 2.1 Removing and installing fresh air blower V2
  10
• 2.2 Removing and installing fresh air blower series resistor with overheating fuse N24
  10
• 2.3 Removing and installing dust and pollen filter
  10
• 2.4 Removing and installing heater unit
  10
• 2.5 Dismantling and assembling heater unit
  12
• 2.6 Assembly overview - heat exchanger
  14
• 2.7 Removing and installing heat exchanger
  14
• 2.8 Removing and installing auxiliary air heater element Z35
  16
• 2.9 Checking auxiliary air heater element Z35
  17
• 3 Control motors
  21
• 3.1 Removing and installing air distribution flap actuator
  21
• 3.2 Removing and installing temperature flap actuator
  22
• 4 Air duct
  26
• 4.1 Removing and installing centre vent
  26
• 4.2 Removing vents on driver or front passenger sides
  26
• 4.3 Removing and installing left footwell vent
  26
• 4.4 Removing and installing right footwell vent
  26
• 4.5 Removing and installing rear air duct
  26
• 4.6 Checking forced ventilation for passenger compartment
  26
• 5 Operating and display unit
  27
• 5.1 Removing and installing operating and display unit
  27
• 5.3 Removing and installing flexible shafts, checking
  28
• Air conditioning system
  30
• 1 Overview of fitting locations - air conditioning system
  30
• 2 Refrigerant circuit
  34
• 2.2 System overview - refrigerant circuit
  35
• 2.3 Removing and installing evacuating and charging valves on low and high-pressure side
  37
• 2.4 Removing and installing high-pressure sender G65
  38
• 2.5 Removing and installing condenser
  40
• 2.6 Removing and installing desiccant cartridge
  42
• 2.7 Removing and installing expansion valve
  44
• 3 Air conditioner compressor
  47
• 3.1 Assembly overview - drive unit of air conditioner compressor
  47
• 3.2 Assembly overview - Denso pulley
  48
• 3.3 Removing and installing air conditioner compressor
  48
• 3.4 Removing and installing air conditioning system magnetic clutch N25
  54
• 3.5 Checking high-pressure safety valve on air conditioner compressor
  55
• 3.6 Removing and installing ancillary bracket for air conditioner compressor
  56
• 4 Control motors
  57
• 4.1 Removing and installing temperature flap control motor V68
  57
• 4.2 Removing and installing centre flap control motor V70
  59
• 4.3 Removing and installing air flow flap control motor V71
  61
• 4.6 Locally manufacturing an adapter cable to activate control motors
  69
• 5 Front heater and air conditioning unit
  70
• 5.1 Removing and installing heater and air conditioning unit
  70
• 5.2 Dismantling and assembling heater and air conditioning unit
  75
• 5.3 Removing and installing fresh air blower V2
  83
• 5.4 Removing and installing fresh air blower series resistor with overheating fuse N24
  86
• 5.5 Removing and installing dust and pollen filter
  87
• 5.6 Dismantling and assembling evaporator housing
  89
• 5.7 Checking condensation drain
  91
• 5.8 Removing and installing fresh air blower control unit J126
  92
• 5.9 Removing and installing evaporator output temperature sender G263
  93
• 6 Air duct
  95
• 6.1 Removing and installing centre vent
  95
• 6.2 Removing vents on driver or front passenger sides
  95
• 6.3 Removing and installing left footwell vent
  96
• 6.4 Removing and installing right footwell vent
  97
• 6.5 Removing and installing rear air duct
  97
• 6.6 Checking forced ventilation for passenger compartment
  98
• 7 Operating and display unit
  99
• 7.1 Overview of fitting locations - operating and display unit
  99
• 7.2 Removing and installing operating and display unit
  103
• 7.3 Multi-pin connector pin assignment on back of operating and display unit
  105
• 7.4 Removing and installing flexible shaft
  108
• 8 Other controlling and regulating components
  109
• 8.1 Removing and installing centre vent temperature sender G191
  109
• 8.2 Removing and installing footwell vent temperature sender G192
  110
• 8.3 Removing and installing sunlight penetration photosensor G107
  110
• 8.4 Removing and installing radiator fan control unit J293
  111