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Water Heater

Installation DocumentationAudi A3

Thermo Top Evo Parking HeaterE1

00 0258

Validity

Manufacturer Model Type EG-BE-No. / ABEAudi A3 8V e1 * 2007 / 46 * 0607 * ...

Motorisation Fuel Transmission type Output in kW Displacement in cm³

Engine code

1.4 TFSI Petrol SG 90 1395 CMBA2.0 TDI Diesel SG 110 1968 CRBC

SG = manual transmission

from Model Year 2012Left-hand drive vehicle

Verified equipment variants: Climatic / ClimatronicFront fog lightXenonHeadlight washer systemStart-Stop

Not verified: Passenger compartment monitoringquattro

Total installation time: about 8 hours

Ident. No.: 1318915A_EN Status: 19.11.2012 © Webasto Thermo & Comfort SE

Audi A3

Table of Contents

Necessary Components

Installation Overview

Information on Total Installation Time

Legend:

1. Heater2. Fuse holder of engine com-partment3. Fuse holder of passenger compartment4. Circulating pump5. Digital timer6. Metering pump

Validity 1Necessary Components 2Installation Overview 2Information on Total Installation Time 2Information on Operating and Installation Instructions 3Information on Validity 4Technical Instructions 4Explanatory Notes on Document 4Preliminary Work 5Heater Installation Location 5Preparing Electrical System 6Electrical System 7Fan Controller 9Digital Timer 11Remote Option (Telestart) 11

Preparing Installation Location 12Preparing Heater 12Installing Heater 15Fuel 16Combustion Air 21Coolant Circuit 1.4 TFSI 22Coolant Circuit 2.0 TDI 26Final Work 30Operating Instructions for Climatic 31Operating Instructions for Climatronic 32

• Thermo Top Evo basic delivery scope in accordance with price list

• Installation kit for Audi A3 2012 Petrol and diesel 1318914A

• Heater control in accordance with price list and upon consultation with final customer

• In case of Telestart, Indicator lamp in accordance with price list and upon consultation with final customer

3

5

1 4

2

6

The total installation time includes the time needed for mounting and demounting of the vehicle-specific components, the heater specific installation time and all other times required for the system integration and initial start-up of the heater.The total installation time may vary for vehicle equipment other than provided.

Ident. No.: 1318915A_EN Status: 19.11.2012 © Webasto Thermo & Comfort SE 2

Audi A3

Information on Operating and Installation Instructions


1 Important Information (not complete)

1.1 Installation and Repair

The improper installation or repair of Webasto heating and cooling sys-tems can cause fire or the leakage of deadly carbon monoxide, leading to serious injury or death.

To install and repair Webasto heating and cooling systems you need to have completed a special company training course and have the appro-priate technical documentation, special tools and special equipment.

Installation and repair may ONLY be carried out by persons trained and certified in a Webasto training course. NEVER try to install or repair We-basto heating or cooling systems if you have not completed a Webasto training course, you do not have the necessary technical skills and you do not have the technical documentation, tools and equipment available to ensure that you can complete the installation and repair work properly.

Only use genuine Webasto parts. See the Webasto air and water heat-ers accessories catalogue for this purpose.

1.2 Operation

To ensure safe operation, we recommend having the heater checked every two years by an authorised Webasto dealer, especially when used over a long period and/or under extreme environmental conditions.

Do not operate the heater in closed rooms due to the danger of poisoning and suf-focation.

Always switch off the heater before refuelling.

The heater may only be used with the prescribed fuel Diesel (DIN EN 590) or pet-rol (DIN EN 227).

The heater may not be cleaned with a high-pressure cleaner.

1.3 Please note

ALWAYS follow all Webasto installation and operating instructions and observe all warnings.

To become familiar with and understand all functions and properties of the heater, the operating instructions must be read carefully and observed at all times.

For proper, safe installation and repair work, the installation instructions with all warnings and safety information must be carefully read and observed at all times. Please always contact a workshop authorised by Webasto for all installation and repair work.

IMPORTANT

Webasto shall assume no liability for defects, damage and injuries resulting from a failure to observe the installation, repair and operating instructions of the information contained in them.

This liability exclusion particularly applies to improper installations and re-pairs, installations and repairs by untrained persons or in the case of a fail-ure to use genuine spare parts.

The liability due to culpable disregard to life, limb or health and due to dam-age or injuries caused by a wilful or reckless breach of duty remain unaf-fected, as does the obligatory product liability.

Installation should be carried out according to the general, standard rules of technology. Unless specified otherwise, fasten hoses, lines and wiring harnesses to original vehicle lines and wiring harnesses using cable ties. Insulate loose wire ends and tie back.

Sharp edges should be fitted with rub protection (split-open fuel hose)!Spray unfinished body areas, e.g. drilled holes, with anti-corrosion wax (Tectyl 100K, Order No. 111329).

Observe the instructions and guidelines of the respective vehicle manufac-turer for demounting and mounting vehicle specific components!

The initial startup is to be executed with the Webasto Thermo Test Diagno-sis.

When installing an IPCU, the corresponding settings must be checked or adjusted before the installation.

2 Statutory regulations governing installation

NOTE

The regulations of these guidelines are binding in the scope of the Directive 70/156/EEC and/or 2007/46/EC (for new vehicle models from 29/04/2009) and should also be observed in countries in which there are no special regulations.

IMPORTANT

Failure to follow the installation instructions will result in the invalidation of the type approval for the heater and therefore invalidation of the general homologation of the vehicle.

NOTE

For vehicles with an EU permit, no entry in accordance with § 19 Sub-Section 4 of Annex VIII b to the Road Traffic Act is required.

2.1 Excerpt from the directive 2001/56/EC Appendix VII for the installation of the heater

Beginning of excerpt.

ANNEX VII

REQUIREMENTS FOR COMBUSTION HEATERS AND THEIR IN-STALLATION

1. GENERAL REQUIREMENTS

1.7.1. A clearly visible tell-tale in the operator's field of view shall inform when the combustion heater is switched on or off.

2. VEHICLE INSTALLATION REQUIREMENTS

2.1. Scope

2.1.1. Subject to paragraph 2.1.2. combustion heaters shall be installed ac-cording to the requirements of this Annex.

2.1.2. Vehicles of category O having liquid fuel heaters are deemed to comply with the requirements of this Annex.

2.2. Positioning of heater

2.2.1. Body sections and any other components in the vicinity of the heater must be protected from excessive heat and the possibility of fuel or oil contamination.

2.2.2. The combustion heater shall not constitute a risk of fire, even in the case of overheating. This requirement shall be deemed to be fulfilled if the in-stallation ensures an adequate distance to all parts and suitable ventila-tion, by the use of fire resistant materials or by the use of heat shields.

2.2.3. In the case of M2 and M3 vehicles, the heater must not be positioned in the passenger compartment. However, an installation in an effectively sealed envelope which also complies with the conditions in paragraph 2.2.2 may be used.

2.2.4. The label referred to in paragraph 1.4 or a duplicate, must be positioned so that it can be easily read when the heater is installed in the vehicle.

2.2.5. Every reasonable precaution should be taken in positioning the heater to minimise the risk of injury and damage to personal property.

2.3. Fuel supply

2.3.1. The fuel filler must not be situated in the passenger compartment and must be provided with an effective cap to prevent fuel spillage.

2.3.2. In the case of liquid fuel heaters, where a supply separate to that of the vehicle is provided, the type of fuel and its filler point must be clearly la-belled.

2.3.3. A notice, indicating that the heater must be shut down before refuelling, must be affixed to the fuelling point. In addition a suitable instruction must be included in the manufacturer's operating manual.

2.4. Exhaust system

2.4.1. The exhaust outlet must be located so as to prevent emissions from en-tering the vehicle through ventilators, heated air inlets or opening win-dows.

2.5. Combustion air inlet

2.5.1. The air for the combustion chamber of the heater must not be drawn from the passenger compartment of the vehicle.

2.5.2. The air inlet must be so positioned or guarded that blocking by rubbish or luggage is unlikely.

2.6. Heating air inlet

2.6.1. The heating air supply may be fresh or recirculated air and must be drawn from a clean area not likely to be contaminated by exhaust fumes emitted either by the propulsion engine, the combustion heater or any other vehicle source.

2.6.2. The inlet duct must be protected by mesh or other suitable means.

2.7. Heating air outlet

2.7.1. Any ducting used to route the hot air through the vehicle must be so po-sitioned or protected that no injury or damage could be caused if it were to be touched.

2.7.2. The air outlet must be so positioned or guarded that blocking by rubbish or luggage is unlikely.

End of excerpt.

In multilingual versions the German language is binding.

Guidelines Thermo Top EvoHeating Directive ECE R122 E1 00 0258

EMC Directive ECE R10 E1 03 5627

Audi A3

Information on Validity

This installation documentation applies to Audi A3 Petrol and diesel vehicles - for validity, see page 1 - from model year 2012 and later, assuming technical modifications to the vehicle do not affect installation, any liability claims ex-cluded. Depending on the vehicle version and equipment, modifications may be necessary during installation with re-spect to this installation documentation.

Vehicle and engine types, equipment variants and other specifications not listed in this installation documentation have not been tested. However, installation according to this installation documentation may be possible.

Technical Instructions

Explanatory Notes on Document

Special Tools• Hose clamp pliers for self-clamping hose clamps• Hose clamp pliers for Clic hose clamps of type W• Automatic wire stripper 0.2 - 6mm²• Crimping pliers for cable lug / tab connector 0.5 - 6mm²• Torque wrench for 2.0 - 10 Nm• Hose clamping pliers• Webasto Thermo Test diagnosis with current software

Measurements• All measurements are in mm!

Tightening torque values• Tightening torque values of 5x13 heater bolts = 8Nm.• Tightening torque values of 5x15 retaining plate and water connection piece bolts = 7Nm.• Tighten other screw connections in accordance with manufacturer's instructions or in accordance with state-of-the-art-technology.

Special features are highlighted using the following symbols:You will find an identification mark on the outside top right corner of the page in question to provide you with a quick overview of the individual working steps.

Mechanical system

Electrical system

Coolant circuit

Combustion air

Fuel

Exhaust gas

Software

Specific risk of injury orfatal accidents

Specific risk of damage tocomponents

Specific risk of fire and explosion

Reference to general installation instructionsof the Webasto components or to themanufacturer's vehicle-specific documents.

Reference to a special technical feature

The arrow in the vehicle iconindicates the position on the vehicleand the viewing angle


Audi A3

Preliminary Work

Vehicle

• Open the fuel tank cap.• Ventilate the fuel tank.• Close the fuel tank cap again.• Depressurise the cooling system.• Disconnect and completely remove the battery with carrier.• Remove the underride protection.• Remove the right-hand front wheel.• Remove the right-hand front wheel well trim.• Remove the air filter together with the intake hose.• Remove the lower and left instrument panel trim on the driver's side.• Remove the A/C control panel.• Remove the rear bench seat.• Open the right-hand tank-fitting service lid.• Remove the fuel-tank sending unit in accordance with the manufacturer's instructions.

Heater

• Remove years that do not apply from the type and duplicate label.• Attach the duplicate label (type label) visibly in the appropriate place in the engine compartment.

Note:

The installation steps are nearly identical for TFSI and TDI. Any deviations were documented, otherwise all images show a 2.0 TDI.

Heater Installation Location

1 Heater

Installation location

1 1


Audi A3

Preparing Electrical System

Wire sections retain their numbering through-out the whole document.

Drill out hole at position 3 to 4mm dia.

1 Self-tapping screw 4.8x132 Retaining plate of engine compartment

fuse holder

Preparing engine compart-ment fuse holder

Extending green/white (gn/ws) wire into K1/30 socket.

Preparing K1-relay

1A fuse F4 and K1 relay are to be inserted af-ter the installation of the fuse holder.

Green/white (gn/ws) wire K1/30

Preparing K1-relay

Complete connector of metering pump again after routing. Pin assignment is not relevant.

1 Connector housing2 Lock3 Blue/brown (bl/br) wires4 Coding5 Timer lock

Dismount-ing con-nector

2

1

2

1

86

85 30

87a87

K1

gn/ws0,75²

F4

br0,5²

rt4²

rt/sw0,5²

F3

1gn/ws

0,5²

1

1

1

1

3

1 43

5

5

2


Audi A3

Electrical System

Fuse holder engine compartment

See following page for wiring harness routing.

1 Fuses F1-22 Diagnosis connector

Earth wire

1 Earth wire on original vehicle earth support point

Wiring har-ness rout-ing diagram

Positive wire

1 Positive wire on positive distributor

Wiring harness pass through

1 Protective rubber plug

42

1

51

Do not install the metering pump wiring harness until later togeth-er with fuel pipe along the origi-nal vehicle fuel lines on the underbody

6

1

71


Audi A3

Route wiring harness of heater 1 to the instal-lation location of the heater along original ve-hicle wiring harness using cable ties.

Routing wiring har-ness

1 Wiring harness of heater


Route wiring harnesses of heater and heater control 1 in original vehicle line duct towards firewall.


8

1

1

9

1

1

10

1


Audi A3

Fan Controller

Wiring dia-gram

Webasto components Vehicle components Colours and symbols

Legend

HG Heater TT-Evo J255 A/C control unit rt redX1 6-pin heater connector T20b 20-pin connector J255 sw blackX2 2-pin heater connector ge yellowX10 4-pin connector

Heater controlgn greenbr brown

K1 Fan relay ws whiteF1 20A fuseF2 30A fuseF3 1A fuse X Cutting pointF4 1A fuse Wiring colours may vary.

1 Fuse holder, passenger compartment2 Original vehicle bolt

Assem-bling fuse holder in passenger compart-ment

Webasto

31

3015

Audi

HG

X2 1 2 X152F2 F1

gn/ws0,75²

ge0,5²

rt/sw0,5²

rt4²

br0,5²

X10

86

85 30

87a87

K1

gn/ws0,75²

br0,5²

rt4²

rt/sw0,5²

F3

br0,5²

T20b 8

J255

gn/ws0,5² 1

F4

111

2


Audi A3

1 1A fuse F42 K1 relay

Mounting K1 relay and fuse F4

Connect passenger compartment fuse holder wiring harness 1 with heater wiring harness 2 according to wiring diagram and using same colour wires.

Connect-ing wiring harnesses

Left image shows Climatronic. Right image shows Climatic.Pull 20-pin connector 1 off A/C control unit and disassemble. Crimp socket contact onto green/white (gn/ws) wire and insert into free socket 2 pin 8. Connec-

tion of A/C control unit

Image shows Climatronic. Complete and in-sert 20-pin connector 1.

Complet-ing A/C control unit

12

2

1

13

21

14

1

2 1

1

1

2

1

151


Audi A3

Digital Timer

1 Digital timer

Installing digital tim-er

Remote Option (Telestart)

Fasten receiver 1 with adhesive tape.

Installing receiver

Glue on antenna 1 in the area of the marking on the windscreen.

Installing antenna

Temperature sensor T100 HTM

Fasten temperature sensor 1 with adhesive tape.

Installing tempera-ture sensor

1

16

1 17

1

18

1

19


Audi A3

Preparing Installation Location

Remove and discard retaining clip 1 from original vehicle wiring harness.

Removing retaining clip

Preparing Heater

1 Water connection piece, sealing ring [2x each]

2 Self-tapping bolt 5x15mm, retaining plate, water connection piece Assem-

bling water connec-tion piece

1 Bracket2 Self-tapping bolt 5x13mm [3x]

Mountingbracket

1.4 TFSI

Discard section X.Hose B/E = 90°, 18mm dia. moulded hose

A = 1070B = 125C = 60D = 80E = 110F = 990

Cutting hoses to length

20

1

211

1

2

22

1 2

1 2

B X

FA

E

XDC


Audi A3

All spring clips = 25 mm dia.Push mounting for circulating pump 2 onto tab of bracket.

2 90° connecting pipe3 Circulating pump Premount-

ing hoses

All spring clips = 25 mm dia.

1 90° connecting pipe

Premount-ing hoses

2.0 TDI

Discard section X.Hose A = 18x20 mm dia. straight moulded hoseHose C/F = 90°, 18mm dia. moulded hose

B = 1020C = 125D = 80E = 60F = 110G = 980

Cutting hoses to length

All spring clips = 25 mm dia.Push mounting for circulating pump 2 onto tab of bracket.

2 90° connecting pipe3 Circulating pump Premount-

ing hoses

2 23

B

C

1

3

24

1

D

E

C X

GB

F

A

XED

2 25

C

D

1

3


Audi A3

All spring clips = 25 mm dia.

1 90° connecting pipe

Premount-ing hoses

All vehicles

1 Cable tie2 Wiring harness of circulating pump [2x]

Attaching wiring har-ness

Discard section X.

1 Exhaust pipea = 195

2 Exhaust end sectionb = 80 Preparing

exhaust pipe

1 Exhaust end section2 M6x16 bolt, spring lockwasher3 Silencer4 Hose clamp

Mounting silencer and end section

26

1

E

F

2722

1

a b

1 2

X

28

1

2

4

3


Audi A3

1 Exhaust pipe2 Hose clamp [2x]

Installing exhaust pipe

Cut combustion air pipe 1 to length by 320mm.

2 Cable tie3 Fuel line4 90° moulded hose, short, 10 mm dia.

clamp [2x] Premount-ing com-bustion air pipe and fuel line

Installing Heater

Insert one 5mm shim each between bracket 1 and frame side member.

2 Original vehicle stud bolt, 5mm shim, flanged nut M8 [2x each]

Installing heater

Insert shim 5 between bracket and lug.

1 Stud bolt of bracket, shim 5, large diame-ter washer, flanged nut M8

Installing heater

29

2

1

2

30

2

34

1

31

1

2

2

32

1


Audi A3

Fuel

CAUTION!Open the vehicle's fuel tank cap, ventilate the tank and then re-close the tank lock.

Catch any fuel running off with an appropriate container.

Install fuel line and metering pump wiring harness so that they are protected against stone impact. Un-less specified otherwise, always fasten using cable ties.Mount the fuel line and wiring harness with rub protection on sharp edges.

WARNING!The fuel line and wiring harness are routed to the metering pump as shown in the wiring harness rout-ing diagram.

Cut 10mm dia. corrugated tube to length by 1200mm. Pull fuel line and wiring harness of metering pump into 10mm dia., 1200mm long corrugated tube 1 and route into the engine compartment.

Routing lines

Route fuel line and wiring harness of meter-ing pump in corrugated tube 1 on original ve-hicle lines towards firewall.

Routing lines

Route fuel line and wiring harness of meter-ing pump along original vehicle line duct 1 to-wards the underbody.

Routing lines

33

1

34

1

1

1

35

1


Audi A3

1 Remove retaining clip from hole2 Remove covering cap (will be reused lat-

er)

Preparing installation location of metering pump

Insert M6x20 bolt 1 through opening 2 into hole.

Preparing installation location of metering pump

1 M6x25 bolt, flanged nut2 Support angle3 Perforated bracket4 Metering pump5 Mounting for metering pump

Premount-ing meter-ing pump

Fasten original vehicle wiring harness 1 with cable ties 2 onto perforated bracket 5.

3 Flanged nut M64 Covering cap mounted

Installing metering pump

36

1

2

3712

38

1 2

5 4

3

39

1 2

4 35


Audi A3

Cut 10mm dia. corrugated tube to length by 130mm. Route fuel line and wiring harness of metering pump from original vehicle pass through 1 and pull into 130mm corrugated tube.

2 Wiring harness of metering pump, con-nector mounted

3 Fuel line of heater, hose section, 10mm dia. clamp [2x]

4 Cable tie

Connect-ing meter-ing pump

Remove fuel-tank sending unit 2 according to manufacturer's instructions. Cut off top of connection piece 1.

Fuel ex-traction

Slightly bend up retaining clamp 1 and insert into fuel-tank sending unit.

Inserting retaining clamp

Separate standpipe B 3 at the end on the bi-as.

1 Standpipe A2 Discard section

Cutting standpipes to length

40

1 2

34

41

2

1

42

1

432 13

ab

a =b =

1.4 TFSI

120130

2.0 TDI

145140


Audi A3

1 90°, 4.5x10.5mm moulded hose2 Discard section

Cutting moulded hose to length

1 Standpipe A2 10 mm dia. clamp3 90°, 4.5x10.5mm moulded hose

Premount-ing mould-ed hose

1 13.5 mm dia. clamp2 Standpipe A

Mounting standpipe A

Route standpipe B 1 through retaining clamp 4.

2 90° moulded hose, 10 mm dia. clamp [2x]3 Standpipe A

Mounting standpipe B

44

1

2

10

45

3

1 2

46

2

1

47

1 32

41


Audi A3

Install fuel-tank sending unit 4 in accordance with manufacturer's instructions.

1 Fuel line2 Cable tie3 10 mm dia. clamp Connect-

ing fuel line

Push 10mm dia. corrugated tube onto fuel line. Check the position of the components; adjust if necessary. Check that they have freedom of movement.

2 Cable tie3 Fuel line, hose section, 10 mm dia. clamp [2x]

Connect-ing meter-ing pump

48

1

3

2

4

49

1

3 2


Audi A3

Combustion Air

1 M5x25 bolt, large diameter washer, 10mm shim, hole flanged nut

2 Silencer3 51mm dia. clamp4 Combustion air pipe

Installing silencer

50

2

3

1

1

4


Audi A3

Coolant Circuit 1.4 TFSI

WARNING!Any coolant running off should be collected using an appropriate container. Install hoses so that they are kink-free. Unless specified otherwise, always fasten using cable ties. Position clamps so that other hoses cannot be damaged. The heater must be filled with coolant when installing the hoses.The connection should be "inline" based on the following diagram:

Hose in-stallation diagram

All spring clips without a specific designation = 25 mm dia. 2 = Original vehicle spring clip .1 = Original vehicle hose. All connecting pipes and = 18x18 mm dia.

2

2F

EA

C

B

D

1

1


Audi A3

1 Flanged nut M6, original vehicle stud bolt2 Perforated bracket

Installing perforated bracket

1 Spacer nut M6x30, original vehicle stud bolt

Mounting spacer nut

Remove hose 1 from engine outlet/heat ex-changer inlet. Spring clips will be reused.

Cutting point

1 Engine outlet hose section2 Hose section of heat exchanger inlet3 Discard section

Cutting point

1

2 51

1

52

53

1

54

1

40

40

3

2


Audi A3

1 Original vehicle spring clip2 Hose section of heat exchanger inlet

Connec-tion of heat exchanger inlet

1 Hose of engine outlet2 Original vehicle spring clip

Connect-ing engine outlet

Push on one 500mm long heat protection hose each onto hose A and F.

1 Spacer bracket2 Spacer bracket, can be rotated2 Hose on heat exchanger outlet Routing on

firewall

1 48 mm dia. rubber-coated p-clamp2 M6x20 bolt, spring lockwasher

Fastening onto fire-wall

55

2

1

F

56

2

A

1

57

A1

3

2

F

1

582

A

F


Audi A3

Align hoses. Ensure sufficient distance to CAT, correct if necessary.

1 38 mm dia. rubber-coated p-clamp2 M6x20 bolt, flanged nut3 Perforated bracket Routing on

frame side member

Connect-ing heater inlet

Connect-ing heater outlet

Hose B removed to improve illustration. En-sure sufficient distance to neighbouring com-ponents, correct if necessary.

1 Original vehicle stud bolt, plastic nut2 38 mm dia. rubber-coated p-clamp Aligning

and fasten-ing hoses

59A

F

2

1

3

60

A

B

61

F

E

62

1

F

A

2


Audi A3

Coolant Circuit 2.0 TDI

WARNING!Any coolant running off should be collected using an appropriate container. Install hoses so that they are kink-free. Unless specified otherwise, always fasten using cable ties. Position clamps so that other hoses cannot be damaged. The heater must be filled with coolant when installing the hoses.The connection should be "inline" based on the following diagram:

Hose in-stallation diagram

All spring clips without a specific designation = 25 mm dia. 2 = Original vehicle spring clip .1 = EGR. 3 = Original vehicle hose.Alle connecting pipes = 18x18mm dia.

A

Ø 1

8x1

8

2

2

1

3

Ø 18x20

Ø 27

G

F

B

D

C

E


Audi A3

1 Flanged nut M6, original vehicle stud bolt2 Perforated bracket

Installing perforated bracket

1 Spacer nut M6x30, original vehicle stud bolt

Mounting spacer nut

Remove hose 2 from engine outlet / EGR-in-let. Spring clips 1 will be reused.

Cutting point

Push 800mm long heat protection hose 3 onto hose B.

1 Pipe of engine outlet2 Original vehicle spring clip

Connect-ing engine outlet

1

2 63

1 64

652

1

1

662

1

3 B A


Audi A3

Push 800mm long heat protection hose 4 onto hose G.

1 Pipe of EGR-inlet2 Original vehicle spring clip3 Original vehicle hose mounted in the op-

posite directionConnec-tion of heat exchanger inlet

1 48 mm dia. rubber-coated p-clamp2 M6x20 bolt, spring lockwasher

Fastening onto fire-wall

Align hoses. Observe sufficient distance to catalytic converter at position 1, adjust if nec-essary.

Routing in engine compart-ment

1 38 mm dia. rubber-coated p-clamp2 Perforated bracket3 M6x20 bolt, flanged nut

Routing on frame side member

67

1

G

2

4

3

1

682

B

G

691

70

G

B

3 2

1


Audi A3

1 Original vehicle stud bolt, plastic nut2 38 mm dia. rubber-coated p-clamp

Connec-tion of heater inlet

Align hoses. Ensure sufficient distance to neighbouring components, correct if neces-sary.

Connec-tion of heater out-let

71

B

C

1

2

72

G

F


Audi A3

Final Work

WARNING!Reassemble the disassembled components in reverse order. Check all hoses, clamps and all electrical connections for firm seating. Insulate all loose wires and tie back.Only use manufacturer-approved coolant. Spray the heater components with anti-corrosion wax (Tectyl 100K, Order No. 111329).

• Connect the battery.• Fill and bleed the coolant circuit according to the vehicle manufacturer’s specifications.• Adjust digital timer, teach Telestart transmitter.• The A/C control unit J255 must be set to "Parking heater without Can“ accordingly.• Make settings on A/C control panel according to the "Operating Instructions for End Cus-

tomer".• Place instruction signboard "Switch off parking heater before refuelling“ in the area of the

filler neck.• For initial start-up and function test, refer to installation instructions.

Fasten hose of headlight washer system 1 with cable ties 2 onto A/C line. Ensure suffi-cient distance (at least 20mm) from exhaust pipe 3 to hose of headlight washer system 1.

Aligning exhaust pipe

Centrally align exhaust end section 3 in pass through.

1 Wheel well trim mounted2 Underride protection mounted

Aligning exhaust end section

1

3

73

1

3

2

3

1

742

Webasto Thermo & Comfort SEPostfach 141082199 GilchingGermanyInternet: www.webasto.comTechnical Extranet:http://dealers.webasto.com


Audi A3

Operating Instructions for Climatic

Please remove this page in case of manual air-conditioning and add it to the vehicle operating instructions.

Note:We recommend matching the heating time to the driving time.Heating time = driving timeExample:For a driving time of approx. 20 min. (in one direction), we recommend not exceeding a switch-on time of 20 min.

Passenger compartment monitoring, if installed, must be deactivated in addition to the vehicle settings for the heating operation.For information on deactivation, please see the vehicle owner's manual.

Before parking the vehicle, make the following settings:

1 Set fan to level "1", max. "2"2 Direct air outlet towards windscreen3 Set temperature to "max."

A/C control panel

1 30A main fuse F2 of passenger compart-ment

2 20A heater fuse F1

Fuses of engine compart-ment

1 1A fuse F3 of heater control2 1A fan fuse F4

Fuse of passenger compart-ment

75

1

3

2

76

2

1

772 1

Audi A3

Operating Instructions for Climatronic

Please remove this page in case of automatic air-conditioning and add it to the vehicle operating instructions.

Note:We recommend matching the heating time to the driving time.Heating time = driving timeExample:For a driving time of approx. 20 min. (in one direction), we recommend not exceeding a switch-on time of 20 min.

Passenger compartment monitoring, if installed, must be deactivated in addition to the vehicle settings for the heating operation.For information on deactivation, please see the vehicle owner's manual.

No settings are necessary for the A/C control panel.

1 30A main fuse F2 of passenger compart-ment

2 20A heater fuse F1

Fuses of engine compart-ment

1 1A fuse F3 of heater control2 1A fan fuse F4

Fuse of passenger compart-ment

78

2

1

792 1

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