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  • Examplepage for repair manual Air conditioning systems with refrigerant R134a - General information
  • Examplepage for repair manual 2 Air conditioning systems with refrigerant R134a - General information
  • Examplepage for repair manual 3 Air conditioning systems with refrigerant R134a - General information

Air conditioning systems with refrigerant R134a - General information

For XL1 / Up! / EOS / FOX / Bora / Golf / Polo / Lupo / Caddy / Jetta / Vento / Arteon / Touran / VW eUP / Tiguan / Sharan / Beetle / Amarok / Passat / CRAFTER / Touareg / Phaeton / LT 2006> / Scirocco / California / Transporter / ...

Original Volkswagen repair manual


19,37 €7% VAT incl.

Immediately available for download

Language: English

Digital PDF file

4.806 KB

238 Sites

Detailed technical data

Immediately readable

This repair manual contains: Safety information, Repair notes, Working with the air conditioner service station, Detecting leaks in refrigerant circuit, ► and Checking pressures on vehicles. Show more
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Repair manual Air conditioning systems with refrigerant R134a - General information PDF download has the following content:

Chapter overview

  • Technical data
    1
  • 1 Safety information
    1
  • 1.1 Safety precautions when working on air conditioning systems
    1
  • 1.2 Safety precautions when working on high-voltage system
    2
  • 1.3 Safety precautions when working in the vicinity of high-voltage components
    2
  • 1.4 Safety precautions when tow-starting or towing
    3
  • 2 Repair notes
    4
  • 2.1 Rules for cleanliness when working on high-voltage system
    4
  • 3 General information on air conditioning
    5
  • 3.1 Other reference material
    5
  • 3.2 Basics of air conditioning technology
    5
  • 3.3 Vapour pressure table for refrigerant R134a
    7
  • 3.4 Refrigerant R134a
    8
  • 3.5 Properties of refrigerant R134a
    9
  • 3.6 Refrigerant oil
    11
  • 3.7 Comfort
    12
  • 3.8 How air conditioning works
    13
  • 3.9 General work safety
    13
  • 3.11 Basics for working on refrigerant circuit
    17
  • 4 General information on refrigerant circuit
    20
  • 4.1 Components of refrigerant circuit
    20
  • 4.2 Design of refrigerant circuit
    31
  • 4.4 Switches and senders in refrigerant circuit and related connections
    34
  • 4.5 Electrical components not installed in refrigerant circuit
    39
  • 4.6 Pressures and temperatures in refrigerant circuit
    42
  • 4.7 Refrigerant circuit with expansion valve
    42
  • 4.8 Refrigerant circuit with restrictor and reservoir
    44
  • 4.9 Test and measurement work that can be performed using a pressure gauge
    46
  • 4.10 Air conditioner service and recycling equipment
    47
  • 4.11 Notes to repairs on refrigerant circuit
    48
  • 5 Laws and regulations
    49
  • 5.1 Laws and regulations
    49
  • 5.2 Recycling and refuse law
    54
  • 5.4 Maintaining records on refrigerant
    55
  • 6 Refrigerant circuit
    56
  • 6.1 Important repair notes on air conditioning
    56
  • 6.2 Converting refrigerant circuits from R12 refrigerant to R134a
    56
  • 7 Working with the air conditioner service station
    57
  • 7.1 Important instructions for working with the air conditioner service station
    57
  • 7.2 Connecting a air conditioner service station for measuring and testing
    58
  • 7.3 Drain the refrigerant circuit using the air conditioner service station
    59
  • 7.4 Evacuating refrigerant circuit using air conditioner service station
    59
  • 7.5 Filling refrigerant circuit with air conditioner service station
    61
  • 7.6 Bringing air conditioning system into service after charging
    62
  • 7.7 Charging the container in the air conditioning service station with refrigerant
    62
  • 7.8 Emptying air conditioner service station
    63
  • 8 Detecting leaks in refrigerant circuit
    64
  • 8.1 Leak detection in refrigerant circuit using compressed air or nitrogen
    65
  • 8.2 Searching for leaks in refrigerant circuits using leak detector V.A.G 1796
    66
  • 9 Clearing refrigerant circuit of contaminants
    75
  • 9.1 Vehicles with high-voltage system (hybrid vehicles)
    75
  • 9.2 Blowing through refrigerant circuit with compressed air and nitrogen
    76
  • 9.3 Flushing refrigerant circuit with refrigerant R134a
    78
  • 10 Clearing refrigerant circuit of contaminants, commercial vehicles
    110
  • 10.1 Vehicles with high-voltage system
    110
  • 10.2 Flushing refrigerant circuit with refrigerant R134a
    111
  • 10.3 Adapters for setting up flushing circuits
    111
  • 10.4 Procedure for setting up and flushing refrigerant circuit, Amarok 2010 ►
    115
  • 10.5 Procedure for setting up and flushing refrigerant circuit, Caddy 2004 ►
    121
  • 10.6 Procedure for setting up and flushing refrigerant circuit, Crafter ►2017
    128
  • 2020 ►
    162
  • 11 Complaints
    178
  • 11.1 Possible complaints about refrigerant circuit
    178
  • 11.2 Odours from heater and air conditioning unit
    179
  • 12 Connecting the air conditioning service station
    182
  • 13 Checking pressures on vehicles
    183
  • 13.7 With expansion valve, receiver and electrical air conditioner compressor
    213
  • 14 Renewing components
    214
  • 14.2 Renew the air conditioner compressor
    217
  • 14.3 Replace receiver or reservoir and restrictor
    219
  • 15 Testing equipment and tools
    222
  • 15.1 List of test equipment, tools and materials
    222
Manufacturer's designation Air conditioning systems with refrigerant R134a - General information
Manufacturer Volkswagen
Suitable for Touareg (2003 - 2007) / Polo (1995 - 2002) / Phaeton (2001 - 2008) / FOX (2004 - 2010) / Lupo (1998 - 2006) / LT 28-35 Fahrgest 300 / LT 28-35 Fahrgest. / LT 28-35 Kasten 2500 / LT 28-35 Kombi 3000 / LT 28-35 Kombi 3550 / LT 28-46 Doppelkab 35 / LT 28-46 Fahrgest 355 / LT 28-46 Kasten 3550 / LT 35 Kombi 4025 / LT 35-46 Doppelkab 40 / LT 35-46 Fahrgest 402 / LT 35-46 Kasten 4025 (1996 - 2006) / Golf / Golf Variant / Vento (1992 - 1999) / Lupo 3L (1999 - 2006) / Transporter Bus/Campe / Transporter Doppelkab / Transporter Kasten / Transporter Kombi / Transporter Kombi/Cam / Transporter Pritsche (1996 - 2003) / Bora / Bora Variant / Golf Variant (1998 - 2006) / Polo Variant (1997 - 2002) / New Beetle Cabrio (2003 - 2010) / New Beetle / New Beetle (USA) (1998 - 2007) / California / Multivan / Transporter / Transporter/Kombi LR (2003 - 2007) / Passat / Passat Variant (1997 - 2005) / Touran (2003 - 2011) / Passat Variant (2005 - 2008) / Golf Plus (2005 - 2007) / Caddy (2004 - 2010) / Passat Variant (1994 - 1997) / Transporter (2003 - 2007) / Polo Classic (1996 - 2002) / Sharan (1995 - 2010) / Jetta (2004 - 2007) / Golf Cabriolet (1994 - 2002) / EOS (2006) / CRAFTER (2006 - 2007) / LT 2006> (2006 - 2007) / Jetta 2-türig Rl (1980 - 1984) / Jetta 4-türig Ll (1980 - 1984) / Tiguan (2008) / Passat CC (2009) / Golf (2009) / Scirocco (2008) / Golf Plus (2009) / Transporter (2010) / Caddy KA / Caddy Maxi (2011) / Polo (India) (2010) / Touareg (2011) / Amarok (2011) / Sharan (2011) / Polo (Russ.) (2010) / Polo A05 (2010) / Passat/Passat Variant (2011 >) / Golf Cabriolet (2012) / Beetle (NBL) Limousine (2012) / Beetle (NBC) Cabrio (2012) / Up! (2012) / Golf VII (2013) / Polo MY (KH) (2014) / Polo MY (LIM) (2014) / Polo (2014) / Scirocco GP (2015) / XL1 (2012 -) / Polo (Malaysia) (2015 >) / Passat Lim (2015 >) / Polo G (Indien) (2015) / Passat Var. (2015 >) / Sharan (2016 > ) / Polo G (Indien) (2015) / Polo (Russland) (2015 >) / Polo Malaysia (2016) / Touran (2016 > ) / VW eUP (2012) / VW Beetle (2011) / Arteon () / Beetle (2017) / Polo [IN] (2016 >)
Suitable car types 7L, 3D, 5Z1, 6X, 2D, 1H, 6E, 7D, 1J, 6V5, 1Y, 1C, 7H, 3B, 1T, 3C, 5M, 2K, 3A, 7J, 6V2, 7M, 1K, 1E, 1F, 2F, 2E, 162, 163, 5N, 357, 5K, 137, 521, 7F, 7E, 2C, 602, 7P5, 601, 2H, 7N1, 612, 6R1, 362, 365, 517, 5C1, 358, 5C7, 121, 5G1, 641, 642, 6C1, 138, 6Z1, 643, 3G2, 603, 3G5, 7N2, 604, 614, 644, 5T1, 122, 5C8, 3H7, 5C2, 631
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