VW Golf 7 2018 Heating & Air Conditioner Workshop Manual PDF

Get factory-accurate instructions for servicing the Heating & Air Conditioning system in your 2018 VW Golf Mk7 and Variant. This workshop manual covers:

• Technical Data & Refrigerant Specs (R-1234yf service limits, oil types)
• Safety & Identification: pressure-system precautions, service port markings
• System Overview: compressor, condenser, evaporator, heater core layouts
• Service Procedures: evacuate/charge refrigerant, replace dryer, clean evaporator, flush lines
• Control & Diagnostics: blend-door actuator service, blower motor replacement, fault-code reading

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Table of Contents

Technical data

Safety information

• Safety precautions for refrigerant service
• Safety measures when using service equipment

Identification

• Refrigerant service ports
• Component identification codes

System overview

• Refrigerant circuit layout
• Heating circuit layout

Repair instructions

• General repair notes
• Rules for cleanliness
• Gaskets and seals
• Nuts and bolts

Refrigerant circuit

• Compressor
  • Removal & installation
  • Clutch coil service
• Condenser
  • Removal & installation
• Evaporator
  • Removal & installation
  • Cleaning procedure
• Receiver–drier & expansion valve
  • Removal & installation

Heating system

• Heater core
  • Removal & installation
• Coolant valves & hoses
  • Removal & installation

Air distribution & controls

• Blower motor & resistor
  • Removal & installation
• Blend-door actuators
  • Removing & installing mode-door actuators

Diagnostics & troubleshooting

• Refrigerant pressure testing
• Leak detection
• Electrical fault-code reading

Electrical components

• Wiring diagrams overview
• Connector locations

Special tools

• Service tool list
• Charging station coupler types