Tiguan 2016 ➤ , Tiguan RUS 2017 ➤
Heating, air conditioner - Edition 06.2017
5
Front heater and air conditioning unit
⇒ “5.2 Assembly overview - add-on parts of heater and air con‐
ditioning unit and of air intake box”, page 116
⇒ “5.3 Assembly overview - evaporator housing”, page 118
⇒ “5.4 Assembly overview - flaps and partitions in air distribution
housing”, page 119
⇒ “5.5 Removing and installing heater and air conditioning unit”,
page 122
⇒ “5.6 Dismantling and assembling heater and air conditioning
unit”, page 126
⇒ “5.7 Removing and installing air distribution housing”,
page 128
⇒ “5.8 Removing and installing holder for heater and air condi‐
tioning unit”, page 128
⇒ “5.9 Removing and installing evaporator”, page 129
⇒ “5.10 Removing and installing fresh air blower control unit J126
”, page 131
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⇒ “5.11 Removing and installing dust and pollen filter”,
page 132
⇒ “5.12 Removing and installing fresh air blower V2 ”,
page 134
⇒ “5.13 Checking auxiliary air heater element Z35 with auxiliary
air heater control unit J604 ”, page 135
⇒ “5.14 Removing and installing auxiliary air heater element Z35
with auxiliary air heater control unit J604 ”, page 137
⇒ “5.15 Removing and installing heat exchanger”, page 139
⇒ “5.16 Removing and installing coolant pipes on heat exchang‐
er”, page 156
⇒ “5.17 Removing and installing evaporator temperature sensor
G308 ”, page 158
⇒ “5.18 Checking condensation drain”, page 160
⇒ “5.19 Removing and installing condensation drain”, page 161
⇒ “5.20 Removing and installing baffle plate”, page 165
5.1
Assembly overview - heater and air con‐
ditioning unit
5.1.1
Assembly overview - heater and air con‐
ditioning unit, Climatronic
The following information applies to left-hand drive vehicles. A
right-hand drive vehicle is similar.
111
Tiguan 2016 ➤ , Tiguan RUS 2017 ➤
Heating, air conditioner - Edition 06.2017
Note
lk
♦ There are different designs and makes of heater and air con‐
ditioning unit. The individual components of the various heat‐
ers and air conditioning units are similar but not identical. The
combined fitting of different makes of component is therefore
not permissible ⇒ Electronic parts catalogue (ETKA) .
♦ The following illustrations show a “Valeo” heater/air condition‐
ing unit, distinguishing features with respect to other makes
⇒ page 4 .
Assembly overview - heater and air conditioning unit, flap control
(left side)
1 - Air distribution flap control
motor
❑ Check with ⇒ Vehicle di‐
agnostic tester in “Gui‐
ded Fault Finding” mode
and ⇒ Current flow dia‐
grams, Electrical fault
finding and Fitting loca‐
tions
Electrical/manual air condi‐
tioning system
Air distribution flap control mo‐
tor - V428- with potentiometer
for air distribution flap control
motor - G645-
❑ Removing and installing
⇒ page 101
Climatronic
❑ Front air distribution flap
control motor - V426-
with potentiometer for
front air distribution flap
control motor - G642-
❑ Removing and installing
⇒ page 96
2 - Bolt
❑ Qty. 9
❑ 1 Nm
3 - Defroster and air distribu‐
tion flap actuation unit
❑ Only on vehicles with air
conditioning system
with electric/manual
controls
❑ Removing and installing ⇒ page 105
4 - Rear temperature flap motor - V137-
❑ Removing and installing ⇒ page 90
❑ Check with ⇒ Vehicle diagnostic tester in “Guided Fault Finding” mode and ⇒ Current flow diagrams,
Electrical fault finding and Fitting locations
5 - Operating lever
❑ For warm air flap
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Rep. gr.87 - Air conditioning system
Tiguan 2016 ➤ , Tiguan RUS 2017 ➤
Heating, air conditioner - Edition 06.2017
6 - Temperature flap control motor
❑ Check with ⇒ Vehicle diagnostic tester in “Guided Fault Finding” mode and ⇒ Current flow diagrams,
Electrical fault finding and Fitting locations
Electrical/manual air conditioning system
❑ Temperature flap control motor - V68- with potentiometer for temperature flap control motor - G92-
❑ Removing and installing ⇒ page 72
Climatronic
❑ Left temperature flap control motor - V158- with potentiometer for left temperature flap control motor -
G220-
❑ Removing and installing ⇒ page 83
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7 - Operating lever
❑ For actuation of defroster and air distributor flap
Assembly overview - heater and air conditioning unit, flap control
(right side)
1 - Heater and air conditioning
unit
❑ Removing and installing
⇒ page 122
2 - Operating lever
❑ For defroster flap
3 - Bolt
❑ Qty. 2
❑ 1 Nm
4 - Defroster flap control motor
- V107-
❑ With potentiometer for
defroster flap control
motor - G135-
❑ Only vehicles with Cli‐
matronic.
❑ Check with ⇒ Vehicle di‐
agnostic tester in “Gui‐
ded Fault Finding” mode
and ⇒ Current flow dia‐
grams, Electrical fault
finding and Fitting loca‐
tions
❑ Removing and installing
⇒ page 75
5 - Right temperature flap con‐
trol motor - V159-
❑ With potentiometer for
right temperature flap
control motor - G221-
❑ Only vehicles with Cli‐
matronic.
❑ Check with ⇒ Vehicle di‐
agnostic tester in “Gui‐
ded Fault Finding” mode and ⇒ Current flow diagrams, Electrical fault finding and Fitting locations
❑ Removing and installing ⇒ page 87
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Tiguan 2016 ➤ , Tiguan RUS 2017 ➤
Heating, air conditioner - Edition 06.2017
6 - Bolt
❑ Qty. 2
❑ 1 Nm
7 - Operating lever
❑ For warm air flap
Assembly overview - heater and air conditioning unit, heat ex‐
changer, auxiliary air heater element
Note
♦ In some cases, it is no longer necessary on air conditioning systems with refrigerant R1234yf to renew the
desiccant bag each time the refrigerant circuit is opened ⇒ Air conditioning system with refrigerant R1234yf;
Rep. gr. 87 ; Refrigerant circuit; Renewing components .
♦ In some cases, it is no longer necessary on air conditioning systems with R134a refrigerant to renew the
desiccant bag each time the refrigerant circuit is opened ⇒ Air conditioning system with R134a refrigerant;
Rep. gr. 00 ; Renewing components .
The illustration shows a Valeo heater unit in a left-hand drive ve‐
hicle.
1 - Bolt
❑ 6 Nm
2 - Coolant pipe with heat ex‐
changer
❑ Different versions ⇒
Electronic parts cata‐
logue (ETKA)
❑ Coolant supply from en‐
gine
❑ Removing and installing
⇒ page 139
3 - Clip
4 - Coolant pipe with heat ex‐
changer
❑ Different versions ⇒
Electronic parts cata‐
logue (ETKA)
❑ Coolant return to the en‐
gine
❑ Removing and installing
⇒ page 139
5 - Seal
❑ Renew after removal
❑ Different versions ⇒
Electronic parts cata‐
logue (ETKA)
6 - Cover
❑ For heat exchanger
7 - Bolt
❑ 2 Nm
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Rep. gr.87 - Air conditioning system
Tiguan 2016 ➤ , Tiguan RUS 2017 ➤
Heating, air conditioner - Edition 06.2017
8 - Foam spacer
❑ For sealing and insula‐
tion
❑ Observe installation position
9 - Bracket
❑ For coolant pipes
lk
10 - Foam
❑ For insulation
❑ Observe installation position
11 - Heater and air conditioning unit
❑ On vehicles without auxiliary air heater element - Z35- with auxiliary air heater control unit - J604- the
opening for the auxiliary air heater element - Z35- is closed.
❑ Removing and installing ⇒ page 122
❑ Dismantling and assembling ⇒ page 126
12 - Heat exchanger
❑ Different versions ⇒ Electronic parts catalogue (ETKA)
❑ Removing and installing ⇒ page 139
13 - Auxiliary air heater element - Z35- with auxiliary air heater control unit - J604-
❑ Checking activation ⇒ page 135
❑ Removing and installing ⇒ page 137
14 - Bolt
❑ Qty. 2
❑ 2 Nm
15 - Wire
❑ For auxiliary air heater element - Z35- with auxiliary air heater control unit - J604- .
16 - Earth cable
❑ For auxiliary heater
❑ Nut 9 ± 1 Nm
17 - Bolt
❑ Qty. 3
❑ 2 Nm
18 - Screw-type clamp
19 - Seal
❑ Renew after removal
❑ Different versions ⇒ Electronic parts catalogue (ETKA)
115
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Tiguan 2016 ➤ , Tiguan RUS 2017 ➤
Heating, air conditioner - Edition 06.2017
5.2
Assembly overview - add-on parts of
heater and air conditioning unit and of air
intake box
Note
♦ There are different designs and makes of heater and air con‐
ditioning unit. The individual components of the various heat‐
ers and air conditioning units are similar but not identical. The
combined fitting of different makes of component is therefore
not permissible ⇒ Electronic parts catalogue (ETKA) .
♦ The following illustration shows a “Valeo” air intake box, dis‐
tinguishing features with respect to other makes of heater and
air conditioning unit ⇒ page 4 .
1 - Plastic bolt or plug depend‐
ing on version
❑ Qty. 2
❑ 0.3 Nm
2 - Plate
❑ Removing and installing
⇒ page 165
3 - Upper part of housing for
fresh air blower
4 - Bolt
❑ Qty. 2
❑ 1 Nm
5 - Air intake duct
❑ With fresh air and air re‐
circulation flap
❑ Different versions ⇒
Electronic parts cata‐
logue (ETKA)
❑ Removing and installing
⇒ page 170
❑ Do not dismantle.
6 - Fresh air and air recircula‐
tion flap actuation unit
❑ Only vehicles with Cli‐
matronic.
❑ Removing and installing
⇒ page 105
7 - Bolt
❑ Only vehicles with Cli‐
matronic.
❑ Qty. 2
❑ 1 Nm
8 - Servo motor
❑ Check with ⇒ Vehicle diagnostic tester in “Guided Fault Finding” mode and ⇒ Current flow diagrams,
Electrical fault finding and Fitting locations
116
Rep. gr.87 - Air conditioning system
Tiguan 2016 ➤ , Tiguan RUS 2017 ➤
Heating, air conditioner - Edition 06.2017
Electrical/manual air conditioning system
❑ Air recirculation flap control motor - V113- without potentiometer; with limit switches at end stops ⇒ Cur‐
rent flow diagrams, Electrical fault finding and Fitting locations
❑ Removing and installing ⇒ page 79
Climatronic
❑ Control motor for fresh air/air recirculation flap and air flow flap - V425- with potentiometer for fresh air/
recirculated air, air flow flap control motor - G644-
❑ Removing and installing ⇒ page 91
9 - Bolt
❑ Qty. 2
❑ 1 Nm
10 - Dust and pollen filter
lk
❑ Different versions ⇒ Electronic parts catalogue (ETKA)
❑ Change interval ⇒ Maintenance tables
❑ Removing and installing ⇒ page 132
11 - Cover
❑ For dust and pollen filter
12 - Fresh air blower - V2-
❑ Check with ⇒ Vehicle diagnostic tester in “Guided Fault Finding” mode and ⇒ Current flow diagrams,
Electrical fault finding and Fitting locations
❑ Removing and installing ⇒ page 134
13 - Fresh air blower control unit - J126-
❑ Check with ⇒ Vehicle diagnostic tester in “Guided Fault Finding” mode and ⇒ Current flow diagrams,
Electrical fault finding and Fitting locations
❑ Removing and installing ⇒ page 131
14 - Bolt
❑ Qty. 2
❑ 1 Nm
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Tiguan 2016 ➤ , Tiguan RUS 2017 ➤
Heating, air conditioner - Edition 06.2017
5.3
Assembly overview - evaporator hous‐
ing
Note
♦ There are different designs and makes of heater and air con‐
ditioning unit. The individual components of the various heat‐
ers and air conditioning units are similar but not identical. The
combined fitting of different makes of component is therefore
not permissible ⇒ Electronic parts catalogue (ETKA) .
♦ The following illustration shows a “Valeo” evaporator housing,
distinguishing features with respect to other makes of heater
and air conditioning unit ⇒ page 4 .
♦ In some cases, it is no longer necessary on air conditioning
systems with refrigerant R1234yf to renew the desiccant bag
each time the refrigerant circuit is opened ⇒ Air conditioning
system with refrigerant R1234yf; Rep. gr. 87 ; Refrigerant cir‐
cuit; Renewing components .
♦ In some cases, it is no longer necessary on air conditioning
systems with R134a refrigerant to renew the desiccant bag
each time the refrigerant circuit is opened ⇒ Air conditioning
system with R134a refrigerant; Rep. gr. 00 ; Renewing com‐
ponents .
lk
♦ The illustration shows a left-hand drive vehicle.
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Rep. gr.87 - Air conditioning system
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Tiguan 2016 ➤ , Tiguan RUS 2017 ➤
Heating, air conditioner - Edition 06.2017
1 - Sealing and insulation
❑ Heat insulation for ex‐
pansion valve
2 - Sealing and insulation
❑ Heat insulation for ex‐
pansion valve
3 - Bolt
❑ Qty. 2
❑ 10 Nm
4 - Expansion valve
❑ Removing and installing
⇒ page 23
5 - Retainer
❑ Only with air condition‐
ing system
❑ For securing refrigerant
lines and expansion
valve
6 - Evaporator housing, upper
part
7 - Bolts
❑ 1.5 Nm
8 - Evaporator
❑ Check foam seals for
damage and proper at‐
tachment
❑ Removing and installing
⇒ page 129
9 - Evaporator housing, lower
part
5.4
Assembly overview - flaps and partitions
in air distribution housing
The following information applies to left-hand drive vehicles. A
right-hand drive vehicle is similar.
View from front
Note
♦ -Arrow- = direction of travel
♦ ⇒ “5.1 Assembly overview - heater and air conditioning unit”, page 111 .
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Tiguan 2016 ➤ , Tiguan RUS 2017 ➤
Heating, air conditioner - Edition 06.2017
1 - Right heated air flap
❑ From heat exchanger
❑ Actuated via right cold
air flap
2 - Operating lever
❑ For flap control
3 - Right cold air flap
❑ From evaporator
❑ Various versions
Electrical/manual air condi‐
tioning system
❑ Actuated jointly via shaft
of left cold air flap by
temperature flap control
motor -V68- via left ac‐
tuating lever
Climatronic
❑ Actuated by tempera‐
ture flap control motor -
V159- via right actuating
lever
4 - Actuating lever on right of
temperature control flap
❑ Only vehicles with Cli‐
matronic.
❑ Equipment version
❑ Actuated by tempera‐
ture flap control motor -
V159-
5 - Actuating lever of flap for
“defrost”.
❑ Only vehicles with Cli‐
matronic.
❑ To windscreen and door windows
❑ Equipment version
❑ Actuated by defroster flap control motor -V107-
6 - Actuating lever of flap for “defrost”.
❑ Only on vehicles with air conditioning system with electric/manual controls
❑ To windscreen and door windows
❑ Equipment version
❑ Actuated by air distribution flap control motor -V428- via defroster and air distribution actuation unit
7 - Air distribution flap actuating lever
Electrical/manual air conditioning system
❑ Actuated by air distribution flap control motor -V428- via defroster and air distribution actuation unit
Climatronic
❑ Actuated by front air distribution flap control motor -V426- via defroster and air distribution actuation unit
8 - Left actuating lever
Electrical/manual air conditioning system
❑ Actuated by temperature flap control motor -V68-
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Rep. gr.87 - Air conditioning system
Tiguan 2016 ➤ , Tiguan RUS 2017 ➤
Heating, air conditioner - Edition 06.2017
Climatronic
❑ Actuated by temperature flap control motor -V158-
9 - Left cold air flap
❑ From evaporator
❑ Various versions
Electrical/manual air conditioning system
❑ Actuated by temperature flap control motor -V68- via left actuating lever
Climatronic
❑ Actuated by temperature flap control motor -V158- via left actuating lever
10 - Operating lever
❑ For flap control
11 - Left heated air flap
❑ From heat exchanger
❑ Actuated via left cold air flap
lk
View from rear
Note
♦ -Arrow- = direction of travel
♦ ⇒ “5.1 Assembly overview - heater and air conditioning unit”, page 111 .
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Tiguan 2016 ➤ , Tiguan RUS 2017 ➤
Heating, air conditioner - Edition 06.2017
1 - Flap for rear air duct
❑ Equipment version
Electrical/manual air condi‐
tioning system
❑ The air duct is sealed
with a plug
❑ Dependant on manufac‐
ture, not always fitted for
electrically/manually
controlled air condition‐
ing systems (not nee‐
ded as air duct is sealed
off)
Climatronic (depending on ve‐
hicle)
❑ For rear vent in centre
console.
2 - Operating lever
❑ For flap control
❑ Equipment version with
Climatronic
❑ -1- not always fitted on
electric/manual air con‐
ditioning systems.
3 - Left flap for left dash panel
vent
4 - Operating lever
❑ For actuation of vent
flaps
❑ Actuated via actuation
unit
⇒ Item 3 (page 112) .
5 - Left flap for centre dash
panel vent
6 - Right flap for right dash panel vent
7 - Right flap for centre dash panel vent
5.5
Removing and installing heater and air
conditioning unit
Special tools and workshop equipment required
♦ Hose clamps to 25 mm - 3094-
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Rep. gr.87 - Air conditioning system
2024 VW Tiguan Owner's Manual
