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
• 1.3 Notes on repair work to vehicles with air conditioning and on handling refrigerant
  2
• 1.4 Distribution of oil in refrigerant circuit
  2
• 2 Safety information
  3
• 2.1 Safety measures when working on vehicles with a start/stop system
  3
• 3 Repair instructions
  4
• 3.1 Checking cooling output
  4
• 3.2 Opening refrigerant circuit
  5
• 4 Technical data
  7
• 4.1 Capacities for refrigerant R134a
  7
• 4.2 Refrigerant oil
  7
• Heating
  9
• 1 Overview of fitting locations - heating
  9
• 1.1 Overview of fitting locations - heater unit
  9
• 2 Heater
  11
• 2.1 Removing and installing fresh air blower V2
  11
• 2.2 Removing and installing fresh air blower series resistor with overheating fuse N24
  12
• 2.3 Removing and installing dust and pollen filter
  12
• 2.4 Dust and pollen filter with activated charcoal filter insert
  13
• 2.5 Removing and installing heat exchanger
  14
• 2.6 Removing and installing second heat exchanger
  18
• 2.7 Removing and installing heater unit
  19
• 2.8 Dismantling and assembling heater unit
  21
• 2.9 Removing and installing rear heater unit
  22
• 3 Air duct
  26
• 3.1 Overview of fitting locations - front vents
  26
• 3.2 Overview of fitting locations - rear vents
  28
• 3.3 Tools
  30
• 3.4 Removing and installing centre vent
  30
• 3.5 Removing and installing driver or front passenger side air vents
  31
• 3.6 Removing and installing roof trim vents in passenger compartment
  32
• 3.7 Removing and installing side vent in passenger compartment
  32
• 3.8 Removing and installing footwell vents
  34
• 3.9 Removing and installing left auxiliary blower V321/right auxiliary blower V320
  35
• 3.10 Checking air extraction (panel van/Kombi)
  35
• 3.11 Checking air extraction (dropside)
  36
• 4 Control motors/actuators
  37
• 5 Operating and display unit
  39
• 5.1 Removing and installing operating and display unit (panel van/dropside)
  39
• 5.2 Removing and installing operating and display unit (Kombi)
  39
• 5.3 Removing and installing cables on operating and display unit
  40
• 5.4 Removing and installing rear operating and display unit
  41
• 5.5 Removing and installing rear operating and display unit E179
  43
• Ventilation
  45
• 1 Roof ventilator V3, normal roof
  45
• 1.1 Assembly overview - roof ventilator V3
  45
• 1.2 Removing and installing roof ventilator V3
  45
• 1.3 Removing and installing air duct rosette
  47
• 1.4 Removing and installing roof ventilator V3 frame
  48
• 2 Roof ventilator V3, high roof and middle height roof
  50
• 2.1 Assembly overview - roof ventilator V3
  50
• 2.2 Removing and installing roof ventilator V3
  50
• 2.3 Removing and installing air duct rosette
  53
• 2.4 Removing and installing roof ventilator V3 frame
  54
• Air conditioning system
  55
• 1 Overview of fitting locations - air conditioning system
  55
• 1.1 Overview of fitting locations - components not located in passenger compartment
  55
• 2 Refrigerant circuit
  66
• 2.1 General notes on the refrigerant circuit
  66
• 2.2 Removing and installing refrigerant lines on expansion valve
  67
• 2.3 Removing and installing refrigerant lines for 2nd evaporator
  67
• 2.4 Removing and installing front expansion valve
  69
• 2.5 Removing and installing rear expansion valve
  70
• 2.6 Removing and installing high-pressure sender G65
  72
• 2.7 Removing and installing dryer cartridge ►2010
  73
• 2.8 Removing and installing dryer cartridge 2010►
  75
• 2.9 Removing and installing condenser with receiver
  76
• 2.10 Removing and installing evacuating and charging valves
  78
• 2.11 When is it necessary to purge the refrigerant circuit with refrigerant
  82
• 3 Air conditioner compressor
  84
• 3.1 Removing and installing Denso air conditioner compressor (vehicles ►2010)
  84
• 3.2 Removing and installing Denso air conditioner compressor (vehicles 2010►)
  85
• 3.3 Removing and installing mounting with freewheel on air conditioner compressor
  88
• 3.4 Renewing torsional elastic coupling
  90
• 3.5 Removing and installing Sanden air conditioner compressor
  91
• 3.6 Assembly overview - air conditioning system magnetic clutch N25 (manufacturer: Sanden)
  93
• 3.8 Notes on installing air conditioner compressor in vehicles with engine code AXE
  98
• 3.9 Checking high-pressure safety valve on air conditioner compressor
  100
• 4 Control motors
  102
• 4.1 Overview of fitting locations – control motors at front
  102
• 4.2 Removing and installing temperature flap control motor V68
  104
• 4.3 Removing and installing central vents control motor V102
  104
• 4.4 Removing and installing defroster flap control motor V107
  105
• 4.6 Removing and installing left temperature flap control motor V158
  106
• 4.7 Removing and installing right temperature flap control motor V159
  107
• 4.8 Removing and installing footwell flap control motor V261
  108
• 4.10 Removing and installing rear air distribution control motor 2 V435
  110
• 5 Front heater and air conditioning unit
  117
• 5.1 Removing and installing heater and air conditioning unit
  117
• 5.2 Dismantling and assembling heater and air conditioning unit
  120
• 5.3 Removing and installing motor for front Bitron blower regulation V305
  121
• 5.4 Removing and installing sender for front Bitron blower regulation G462
  122
• 5.5 Checking condensate drain hose with valve
  122
• 6 Rear heater and air conditioning unit
  124
• 6.1 Removing and installing heater and air conditioning unit
  124
• 6.2 Dismantling and assembling heater and air conditioning unit
  127
• 6.3 Removing and installing heat exchanger
  129
• 7 Air duct
  131
• 7.1 Removing and installing left vent temperature sender G150
  131
• 7.2 Removing and installing right vent temperature sender G151
  132
• 7.3 Removing and installing rear vent temperature sender G174
  132
• 7.4 Removing and installing centre vent temperature sender G191
  134
• 7.5 Removing and installing footwell vent temperature sender G192
  135
• 7.6 Removing and installing left footwell vent temperature sender G261
  135
• 7.7 Removing and installing right footwell vent temperature sender G262
  136
• 7.8 Removing and installing evaporator temperature sensor G308
  136
• 7.9 Removing and installing fresh air intake duct temperature sensor G89
  137
• 7.10 Removing and installing glove compartment vent
  137
• 7.12 Removing and installing rear upper air distribution box
  139
• 8 Operating and display unit
  141
• 8.1 Operating and display unit for manually regulated air conditioning system ►2010
  141
• 8.2 Operating and display unit for manually regulated air conditioning system 2010 ►
  143
• 8.3 Operating and display unit for automatically regulated air conditioning system
  147
• 9 Other controlling and regulating components
  165
• 9.1 Removing and installing ambient temperature sensor -G17-
  165
• 9.2 Removing and installing refrigerant temperature sender G454
  165
• 9.3 Removing sunlight penetration photosensor 2 G134
  166
• 9.4 Principle of operation of air quality sensor G238
  167
• 9.5 Removing and installing air quality sensor G238
  168
• 10 Bracket for air conditioner compressor
  170