Volkswagen Fox 2005 User Manual

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Workshop Manual
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Service
Service Department. Technical Information

Volkswagen Fox 2005 Specifications

General

Brand	Volkswagen
Model	Fox 2005
Category	Automobile
Language	English

Summary

00 - Technical Data

1.10 General Safety

Outlines general safety precautions when working with refrigerants.

1.11 Safety Precautions for Working on Vehicles with Air Conditioning and Handling Refrigerant R134a

Specific safety measures for handling R134a and AC systems.

5 Working with the Air Conditioner Service Station

5.1 Important Notes for Working with the Air Conditioner Service Station

Essential guidelines for using AC service stations correctly.

5.2 Connecting Air Conditioner Service Station for Measuring and Checking

Step-by-step guide for connecting service stations for diagnostics.

5.3 Draining Refrigerant Circuit Using Air Conditioner Service Station

Procedure for safely draining refrigerant from the circuit.

5.4 Evacuating Refrigerant Circuit Using Air Conditioner Service Station

Steps for evacuating air and moisture from the refrigerant circuit.

5.5 Charging Refrigerant Circuit Using Air Conditioner Service Station

Process for charging refrigerant into the AC system.

5.6 Bringing Air Conditioning System into Service after Charging

6 Detecting Leaks in Refrigerant Circuit

6.1 Leak Detection in Refrigerant Circuit Using Compressed Air or Nitrogen

Method for detecting leaks using gas pressure.

6.2 Searching for Leaks in Refrigerant Circuits Using Leak Detector - V.A.G 1796-

Using an electronic leak detector for fault finding.

6.3 Detecting Leaks in Refrigerant Circuit Using Leak Detecting System - VAS 6196- or Leak Detecting System - VAS 6201- or a Later Model

Using advanced systems for leak detection.

7 Clearing Refrigerant Circuit of Contaminants

7.1 Blowing Through Refrigerant Circuit with Compressed Air and Nitrogen

7.2 Purging (Cleaning) Refrigerant Circuit with Refrigerant R134a

Detailed procedure for purging the refrigerant circuit.

9 Connecting Air Conditioner Service Station

9.1 For Vehicles that have Connections on Both Low-Pressure and High-Pressure Sides of Refrigerant Circuit

9.1.1 Connecting Air Conditioner Service Station for Measuring and Checking

Steps for connecting the service station for diagnostics.

10 Checking Pressures on Vehicles

10.1 Checking Pressures in Refrigerant Circuit (using Air Conditioner Service Station)

Procedures for checking AC system pressures using a service station.

Checking Pressures

10.2 Checking Systems with a Restrictor and Collector (with internally regulated air conditioner compressor)

Pressure checks for systems with restrictor and internal regulation.

10.3 Checking Systems with an Expansion Valve and Reservoir (with internally regulated air conditioner compressor)

Pressure checks for systems with expansion valve and internal regulation.

10.4 Checking Systems with an Expansion Valve, Receiver and Air Conditioner Compressor Regulating Valve - N280- (with externally regulated air conditioner compressor)

Pressure checks for systems with expansion valve and external regulation.

10.5 Checking Systems with a Restrictor and Reservoir and Air Conditioner Compressor Regulating Valve - N280- (with externally regulated air conditioner compressor)

Pressure checks for systems with restrictor, reservoir and external regulation.

10.6 Checking Systems with an Expansion Valve, Receiver and Air Conditioner Compressor Regulating Valve - N280- (with externally regulated air conditioner compressor)

10.7 With Expansion Valve, Receiver and Electrical Air Conditioner Compressor

11 Renewing Components

11.1 In the Event of Leaking or Damaged Components (Apart from the Air Conditioner Compressor, Receiver or Reservoir)

11.1.1 If the Refrigerant Circuit Was Completely Empty

11.1.2 If There is Still Refrigerant in the Refrigerant Circuit

11.2 Renewing Air Conditioner Compressor

Guidelines for replacing the air conditioner compressor.

11.2.1 Without Needing to Purge Refrigerant Circuit of Contaminants (Cleaning), e.g. in Cases of External Damage after an Accident

11.2.2 Leaks or Internal Damage (e.g. Noises or Lack of Power)

11.3 Renewing Receiver or Reservoir, and Restrictor

11.3.1 After Purging Refrigerant Circuit of Contaminants, e.g. Due to Moisture Intrusion (because refrigerant circuit has stood open for a length of time) or Due to Dirt

11.3.2 Without Needing to Purge Refrigerant Circuit of Contaminants (e.g. Damage in an Accident); No Refrigerant Has Escaped and No Moisture or Dirt Has Entered Refrigerant Circuit

12 Testing Equipment and Tools

12.1 List of Test Equipment, Tools and Materials