Heating, air conditioning

Chapter overview

• Heating
  1
• 1 Heating
  1
• 1.1 Repairing heating system
  1
• 1.2 Removing vents
  4
• 1.3 Removing and installing rear duct
  6
• 1.4 Removing and installing controls for fresh and heated air
  7
• 1.5 Checking ventilation
  9
• 1.6 Notes on mapped cooling, engine code BAD
  10
• 2 Heater unit
  11
• 2.1 Removing and installing heater unit
  11
• 2.2 Dismantling and assembling heater unit
  11
• 3 Dismantling and assembling heated air and fresh air controls
  14
• 4 Warm air and fresh air control cables
  15
• 4.1 Installing and adjusting cables
  15
• Auxiliary heating
  18
• 1 Glow plugs - auxiliary heater
  18
• 1.1 Glow plugs - auxiliary heater in cooling system circuit
  18
• Air conditioning system
  19
• 2 Air conditioning system with manual controls
  20
• 2.1 Air conditioning and heating system - passenger compartment
  20
• 2.2 Removing and installing heating and air conditioning controls
  22
• 2.3 Dismantling and assembling heating and air conditioning controls
  24
• 2.4 Installing and adjusting heating and air conditioning cables
  26
• 2.5 Air conditioning and heating system - engine compartment
  28
• 2.10 Removing and installing air conditioner compressor bracket, engine code BAD
  40
• 2.11 Removing and installing air conditioner compressor bracket, engine code AGZ and AQN
  42
• 2.13 Repairing Sanden air conditioning system magnetic coupling N25
  46
• 2.14 Repairing Zexel air conditioner magnetic coupling N25
  50
• 3 Climatronic air conditioning system with automatic regulation
  56
• 3.1 Before beginning repair work, perform the following steps:
  56
• 3.2 Procedure for checking and adjusting components
  56
• 3.4 Climatronic - passenger compartment
  59
• 3.6 Renewing control motors for air conditioning regulation
  65
• 3.7 Climatronic - engine compartment
  68
• 4.1 Repairing refrigerant circuit components
  71
• 4.2 Notes on installing air conditioner compressor, engine code BAD
  77
• 4.3 Checking high pressure sensor G65
  78
• 4.4 Removing expansion valve
  79
• 4.5 Removing and installing condenser
  80
• 4.6 Removing and installing evaporator housing
  82
• 4.7 Dismantling and assembling distribution box and evaporator housing
  83
• 5 Capacities
  86
• 5.1 Refrigerant R134a
  86
• 5.2 Refrigerant oil
  86