Technical Bulletin
Model(s)

Year

Eng. Code

Trans. Code

VIN Range From

VIN Range To

Tiguan

2010-2013

All

All

All

All

AX_EW000001

AX_EW057666

Tiguan

2014

All

All
AX_EW500001

AX_EW554593

Condition
87 14 03 June 18, 2014 2037095
Air Conditioning Blows Warm, Compressor-Condenser Refrigerant Line

Technical Background
The air conditioning refrigerant line may come in contact with compressor pulley due to engine vibration.
In the air conditioning control unit the following entry is logged:
• B10ABF0 - refrigerant pressure - under lower limit

Note
Inspect refrigerant line between condenser and compressor. If line is not damaged or out of its retainer
this technical bulletin does not apply. Further diagnosis is required.

Production Solution
New refrigerant pipe, upper coolant hose and double clip.
• WVGAV3AX3EW057666 (12 November 2013)
th

• WVGCE2AX7EW554593 (2 December 2013)
nd

Page 1 of 7
© 2014 Volkswagen Group of America, Inc.
All rights reserved. Information contained in this document is based on the latest information available at the time of printing and is subject to the copyright and other
intellectual property rights of Volkswagen Group of America, Inc., its affiliated companies and its licensors. All rights are reserved to make changes at any time without notice.
No part of this document may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or
otherwise, nor may these materials be modified or reposted to other sites, without the prior expressed written permission of the publisher.

Technical Bulletin
New double retainer refrigerant line holder 5N0 121 093L.

If vehicle has double retainer N 106 668 02, replace it with
5N0 121 093L

Service
Repair Procedure
• Evacuate the AC system. See repair group 87 Heating, Ventilation, and Air Conditioning in Elsa.
• Disconnect the compressor/condenser AC line from the condenser.
• Disconnect the compressor condenser AC line from the compressor and remove it from the vehicle.
• Support and lift the vehicle to remove noise dampener plate.

• Remove the radiator hose from the thermostat housing to
drain the coolant (Figure 1).
Note
Disconnect only the clamp off the existing coolant
temperature sensor housing. The housing pipe attached
to the engine can stay connected.

Figure 1

Page 2 of 7
© 2014 Volkswagen Group of America, Inc.
All rights reserved. Information contained in this document is based on the latest information available at the time of printing and is subject to the copyright and other
intellectual property rights of Volkswagen Group of America, Inc., its affiliated companies and its licensors. All rights are reserved to make changes at any time without notice.
No part of this document may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or
otherwise, nor may these materials be modified or reposted to other sites, without the prior expressed written permission of the publisher.

Technical Bulletin
• Locate the after run coolant pump and turn the clamp ½
a turn from its original location away from the
compressor/condenser line.
Note
The picture shown in Figure 2 shows the AC line
installed to capture the potential contact area.

Figure 2

Tip:
New location of the after run coolant pump hose clamp
(Figure 3).

Figure 3

• Lower the vehicle and remove the radiator hose (and the
original double retainer if equipped) from the radiator and
remove it from the vehicle (Figure 4).

Figure 4
Page 3 of 7
© 2014 Volkswagen Group of America, Inc.
All rights reserved. Information contained in this document is based on the latest information available at the time of printing and is subject to the copyright and other
intellectual property rights of Volkswagen Group of America, Inc., its affiliated companies and its licensors. All rights are reserved to make changes at any time without notice.
No part of this document may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or
otherwise, nor may these materials be modified or reposted to other sites, without the prior expressed written permission of the publisher.

Technical Bulletin
• Remove the original plastic radiator hose retainer from the radiator
and discard it. (Figure 5).

Figure 5

• Install new double retainer 5N0 121 093L with the edge
facing up as shown (Figure 6).

Figure 6

• Press the new style double retainer barb into the radiator (Figure 7).
• Install the upper portion of new coolant hose 5N0 121 051M to the
radiator and secure the large retainer.

Figure 7

Page 4 of 7
© 2014 Volkswagen Group of America, Inc.
All rights reserved. Information contained in this document is based on the latest information available at the time of printing and is subject to the copyright and other
intellectual property rights of Volkswagen Group of America, Inc., its affiliated companies and its licensors. All rights are reserved to make changes at any time without notice.
No part of this document may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or
otherwise, nor may these materials be modified or reposted to other sites, without the prior expressed written permission of the publisher.

Technical Bulletin
• Install new refrigerant line 5N0820721H according to the repair
manual.
• Secure the compressor bolt to 22Nm and condenser bolt to 12Nm.
(Figure 8).

Figure 8

• Secure retainer as shown in Figure 9.

Figure 9

• Raise vehicle and attach the thermostat end of the coolant
hose and secure the clamp. Refill the engine coolant
(Figure 10).

Figure 10

• Recharge AC system according the specification label on the front core support. See repair group 87 Heating,
Ventilation, and Air Conditioning in Elsa.
• Check the ribbed serpentine belt for damage. If necessary replace the ribbed serpentine belt according to the
repair manual.
Page 5 of 7
© 2014 Volkswagen Group of America, Inc.
All rights reserved. Information contained in this document is based on the latest information available at the time of printing and is subject to the copyright and other
intellectual property rights of Volkswagen Group of America, Inc., its affiliated companies and its licensors. All rights are reserved to make changes at any time without notice.
No part of this document may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or
otherwise, nor may these materials be modified or reposted to other sites, without the prior expressed written permission of the publisher.

Technical Bulletin
Warranty
To determine if this procedure is covered under Warranty, always refer to the Warranty Policies and
1)
Procedures Manual
Model(s)

Year(s)

Eng. Code(s)

Trans.
Code(s)

VIN Range From

VIN Range To

Tiguan

2010-2013

All

All

All

All

AX_EW000001

AX_EW057666

Tiguan

2014

All

All
AX_EW500001

AX_EW554593

SAGA Coding
Claim Type:

Use applicable Claim Type
Damage

Service Number:

HST

Damage Location
(Depends on Service No.)

---

Use applicable when
indicated in Elsa (L/R)

Code
8743

0010

Parts Manufacturer
Labor Operation

3) :

Model Names

Coolant Drain and Fill

1)

PU3

2)

19381700 = 50 TU

3) :

87431950 = 50 TU

3) :

19621999 = 20 TU

3)

87432499 = 10 TU

Labor Operation Remove and Install
Compressor/Condenser Pipe.
Labor Operation Remove and Install Upper
Coolant Hose (additional time provided to replace
coolant hose at time of A/C compressor/condenser
line replacement).
Labor Operation : Remove and Install Retainer
Includes: Check ribbed serpentine belt.
Labor Operation

3) :

Drain and refill refrigerant.

Causal Part: AC Compressor/Condenser Line

87031700 = 50 TU
5N0820721H

Diagnostic Time

4)

Page 6 of 7
© 2014 Volkswagen Group of America, Inc.
All rights reserved. Information contained in this document is based on the latest information available at the time of printing and is subject to the copyright and other
intellectual property rights of Volkswagen Group of America, Inc., its affiliated companies and its licensors. All rights are reserved to make changes at any time without notice.
No part of this document may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or
otherwise, nor may these materials be modified or reposted to other sites, without the prior expressed written permission of the publisher.

Technical Bulletin
GFF Time expenditure

01500000 = 30 TU max.

Road Test

01210002 = 00 TU

YES
NO

01210004 = 00 TU
Technical Diagnosis

01320000 = 00 TU max.

NO

Claim Comment: Input “As per Technical Bulletin 2037095” in comment section of Warranty Claim.
1)

Vehicle may be outside any Warranty in which case this Technical Bulletin is informational only

2)

Code per warranty vendor code policy.

3)

Labor Time Units (TUs) are subject to change with ELSA updates.

4)

Documentation required per Warranty Policies and Procedures Manual.

Required Parts and Tools
Description

Part No:

Quantity

AC Compressor/Condenser Line

5N0820721H

1

Double Retainer

5N0121093L

1

Coolant Hose

5N0121051M

1

No Special Tools required.

Additional Information
All part and service references provided in this Technical Bulletin are subject to change and/or removal.
Always check with your Parts Dept. and Repair Manuals for the latest information.

Page 7 of 7
© 2014 Volkswagen Group of America, Inc.
All rights reserved. Information contained in this document is based on the latest information available at the time of printing and is subject to the copyright and other
intellectual property rights of Volkswagen Group of America, Inc., its affiliated companies and its licensors. All rights are reserved to make changes at any time without notice.
No part of this document may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or
otherwise, nor may these materials be modified or reposted to other sites, without the prior expressed written permission of the publisher.