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Other Audi Workshop Service and Repair Manuals
Other Makes
Running gear
Body
Power unit
Power transmission
Vehicle electrics
Heating, ventilation, air conditioning system
Heating and air conditioning
Air conditioner with refrigerant R134a
Auxiliary heating
Aux. heater/heater booster
Servicing auxiliary heater
Safety precautions when working on vehicles fitted with auxiliary heater
Notes on general repair work on vehicles fitted with auxiliary heater
Rules for cleanliness when working on auxiliary heater (and fuel system)
Layout of components for auxiliary heater in vehicle
Fuel extraction for auxiliary heater
Components for fuel extraction for auxiliary heater
Removing and installing fuel extraction pipe
Extracting fuel for auxiliary heater from fuel tank
Removing and installing fuel extraction pipe
Removing and installing metering pump V54
Checking operation of fuel shut-off valve N109
Routing of fuel pipe to auxiliary heater
Checking fuel delivery volume of metering pump V54
Checking and adjusting CO2 content in exhaust gas of auxiliary heater
Functional description of auxiliary heater
Incorporation of auxiliary heater into coolant circuit
Removing and installing auxiliary heater
Dismantling and assembling auxiliary heater
Block diagram of auxiliary heater
Activation of auxiliary heater with remote control