Polo Mk5: Heating, ventilation, air conditioning system
Also for this vehicle: Polo Mk3, Polo Mk4.
Steering & suspension
Body & interior
General
Transmission
Engine
Heating & A/C
Choose Sections to see everything in a chapter, or a chapter title to start at its first page.
- 06Heating, ventilation, air conditioning systemHeating, ventilation, air conditioning system: Sections
Heating, air conditioning171 pages
Heating43 pages
Repairing heating system24 pages
- Passenger compartment heating
Removing and installing fresh air blower series resistor with overheating fuseN243 pages
- Pin assignment for multi-pin connectors on back of controls for heated and fresh air
- Removing and installing flexible shafts, checking
- Checking ventilation
- Removing and installing heater unit
Dismantling and assembling heater unit18 pages
Removing and installing fresh air and air recirculation flap control motorV1543 pages
- Assembly overview - heat exchanger
- Removing and installing heat exchanger
- Removing and installing auxiliary air heater elementZ35
Checking auxiliary air heater elementZ355 pages
Air conditioner128 pages
Notes on repair work to vehicles with air conditioning and on handling refrigerant2 pages
Climatic air conditioning system with manual regulation up to week 44/1014 pages
- Climatic - passenger compartment
- Functions of the Climatic* heating regulation and air-conditioning system
Removing and installing Climatic heating regulation and air-conditioning system3 pages
- Pin assignment for multi-pin connectors on back of Climatic heating regulation and air-conditioning system
- Checking water drain valve
Air conditioning system with manual regulation from week 45/104 pages
Climatronic air conditioning with automatic regulation32 pages
- Procedure for checking and adjusting components
- Function of operating and display unit for Climatronic air conditioning systemE87 with Climatronic control unitJ255
- Pin assignment of multi-pin connectors on rear of Climatronic control unitJ255
- Climatronic - passenger compartment
- Locally manufacturing an adapter cable to activate control motors
Removing and installing defroster flap control motorV107 and temperature flap control motorV683 pages
- Removing and installing ancillary bracket for air conditioner compressor
Differences in repair work for right-hand drive vehicles16 pages
Removing and installing fresh air blower series resistor with overheating fuseN243 pages
Air conditioning system with manual controls "Climatic", right-hand drive vehicles5 pages
Air conditioning system with automatic regulation "Climatronic", right-hand drive vehicles17 pages
- Climatronic - passenger compartment
Removing and installing defroster flap control motorV107 and temperature flap control motorV683 pages
Removing and installing heater and air conditioning unit, right-hand drive vehicles5 pages
Repair work on refrigerant circuit which may be performed only in appropriate workshops by specially trained mechanics28 pages
- Required special tools, facilities, testing and measuring instruments and auxiliary items
- Removing and installing heater and air conditioning unit
- Dismantling and assembling heater and air conditioner unit "Climatic"
- Dismantling and assembling heater and air conditioner unit "Climatronic"
- Renewing refrigerant circuit components
Removing evacuating and charging valve, high-pressure side and low-pressure side3 pages
- Dismantling and assembling evaporator housing
Removing and installing poly V-belt pulley or air conditioning system magnetic clutchN252 pages
- Checking high-pressure safety valve on air conditioner compressor
Removing and installing air conditioner compressor4 pages
- Expansion valve, function and removal
- Removing and installing condenser
Air conditioning system with refrigerant R134a › Technical data166 pages
General notes on air conditioning systems48 pages
- Introduction
- Additional information
Basics of air conditioning4 pages
- Vapour pressure table for refrigerant R134a
- How air conditioning works
General safety16 pages
- Product characteristics
- Handling refrigerants
- Wear protective glasses
- Wear protective gloves and apron
- Do not allow liquid refrigerant to come in contact with the skin
- Do not breath in refrigerant vapour
- Absolutely NO SMOKING
- Welding and soldering on refrigeration systems
- Pungent smell
- First aid
- Handling pressure vessels
- Do not heat above 50° C
- Do not apply uncontrolled heat
- Seal empty containers
- Safety instructions for using extraction and charging equipment
- Safety precautions for when working on vehicles with air conditioning and when handling refrigerant R134a
Basics for working on refrigerant circuit3 pages
General information on refrigerant circuit46 pages
Refrigerant circuit components15 pages
- Distribution of the refrigerant circuit components and their influence on the high-pressure and low-pressure sides
- Air conditioning system compressor with magnetic clutch:
- Air conditioner compressor without magnetic clutch
- Air conditioner compressor without magnetic clutch, with elastic drive coupling
- Electric compressor for hybrid vehicles
- Condenser
- Evaporator
- Reservoir
- Restrictor
- Receiver
- Expansion valve
- O-ring
- Pipes and hoses in refrigerant circuit
- High-pressure safety valve
Design of refrigerant circuit3 pages
Evacuation and charging valves for quick-release couplings of air conditioner service station on refrigerant circuit4 pages
Switch and sender in refrigerant circuit and related connections9 pages
- High-pressure switch for air conditioning systemF23
- High-pressure switch for magnetic clutchF118
- Low-pressure switch for air conditioning systemF73
- Connections to valves for switches in the refrigerant circuit
- Air conditioning system pressure switchF129
- High-pressure senderG65
- Refrigerant pressure and temperature senderG395
- Air conditioner compressor regulating valveN280
Electrical components not installed in refrigerant circuit5 pages
- Pressures and temperatures in the refrigerant circuit
- Refrigerant circuit with expansion valve
- Refrigerant circuit with restrictor and reservoir
Test and measurement work that can be performed using a pressure gauge2 pages
Air conditioner service and recycling equipment3 pages
- Notes to repairs on refrigerant circuit
Statutory texts and instructions6 pages
Working with the air conditioner service station9 pages
- Important notes for working with the air conditioner service station
- Connecting air conditioner service station for measuring and checking
- Draining refrigerant circuit using air conditioner service station
- Evacuating refrigerant circuit using air conditioner service station
- Charging refrigerant circuit using air conditioner service station
- Bringing air conditioning system into service after charging
- Charging container in air conditioner service station with refrigerant
- Draining air conditioner service station
Detecting leaks in refrigerant circuit4 pages
Clearing refrigerant circuit of contaminants6 pages
Blowing through refrigerant circuit with compressed air and nitrogen2 pages
Purging (cleaning) refrigerant circuit with refrigerant R134a3 pages
Complaints8 pages
Smells from heater and air conditioner unit4 pages
Connecting air conditioner service station3 pages
For vehicles that have connections on both low-pressure and high-pressure sides of refrigerant circuit2 pages
Checking pressures on vehicles18 pages
Checking pressures in refrigerant circuit (using air conditioner service station)4 pages
Checking systems with a restrictor and collector (with internally regulated air conditioner compressor)2 pages
Checking systems with an expansion valve and reservoir (with internally regulated air conditioner compressor)2 pages
Checking systems with an expansion valve and reservoir (without regulated air conditioner compressor)4 pages
Checking systems with a restrictor and reservoir and air conditioner compressor regulating valveN280 (with externally regulated2 pages
Checking systems with an expansion valve, receiver and air conditioner compressor regulating valveN280 (with externally regulate2 pages
- With expansion valve, receiver and electric compressor for hybrid vehicles
Renewing components10 pages
In the event of leaking or damaged components (apart from the air conditioner compressor, receiver or reservoir)3 pages
Renewing receiver or reservoir, and restrictor3 pages
Testing equipment and tools5 pages
List of test equipment, tools and materials4 pages
- Tools and materials available from distribution centre or importer
- Tools and materials commercially available
- Tools to be made locally
- Tools and materials available from distribution centre or importer
- Tools and materials commercially available
- Tools to be made locally