Tiguan 2016 β€ , Tiguan RUS 2017 β€
Heating, air conditioner - Edition 06.2017
β Loosen nut -3- and remove earth wire -4-.
CAUTION
Risk of burns on metal surfaces of auxiliary air heater element.
The heater elements may become very hot.
Risk of burns to the skin.
β Wear protective gloves.
β Never touch the metal surfaces of the heater element.
β Separate electrical connector -2- by sliding locking element
-5- upwards and pressing catch inwards.
β Unscrew bolts -arrows-.
β Pull auxiliary air heater element - Z35- with auxiliary air heater
control unit - J604- -1- leftwards out of heater and air condiβ
tioning unit -6-.
Installing
Install in reverse order of removal. Observe the following:
Note
Ensure that the earth wire is in proper position and bolted on corβ
rectly.
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Specified torques
β¦ β β5.1 Assembly overview - heater and air conditioning unitβ,
page 111
β¦ Install central tube for dash panel β General body repairs,
interior; Rep. gr. 70 ; Dash panel central tube; Removing and
installing dash panel central tube
5.15
Removing and installing heat exchanger
β β5.15.2 Removing and installing Valeo heat exchanger, right-
hand drive vehiclesβ, page 143
β β5.15.3 Removing and installing Denso heat exchanger, left-
hand drive vehiclesβ, page 147
β β5.15.4 Removing and installing Denso heat exchanger, right-
hand drive vehiclesβ, page 152
5.15.1
Removing and installing Valeo heat exβ
changer, left-hand drive vehicles
Special tools and workshop equipment required
139
Tiguan 2016 β€ , Tiguan RUS 2017 β€
Heating, air conditioner - Edition 06.2017
β¦ Drip tray for workshop hoist - VAS 6208-
β¦ Hose clamps to 25 mm - 3094-
lk
β¦ Commercially available compressed air pistol
β¦ Engine bung set - VAS 6122-
Removing
β If necessary, remove engine cover panel β Rep. gr. 10 ; Enβ
gine cover panel; Removing and installing engine cover panel .
Vehicles with TDI engine
β Remove charge air cooler connecting pipe β Rep. gr. 21 ;
Charge air system; Assembly overview - charge air system .
Continued for all vehicles
β Place drip tray for workshop hoist - VAS 6208- beneath enβ
gine.
140
Rep. gr.87 - Air conditioning system
Tiguan 2016 β€ , Tiguan RUS 2017 β€
Heating, air conditioner - Edition 06.2017
β Mark coolant hoses -2- and -3- so that they can be reconnecβ
ted to proper sides again later. The heat exchanger is deβ
signed for a certain direction of coolant flow only.
β Clamp off coolant hoses with hose clamps up to 25 mm - 3094-
-1- and -4-.
CAUTION
On a warm engine, the cooling system is under high pressure.
Danger of scalding by steam and hot coolant.
Skin and other parts of the body may be scalded.
β Wear protective gloves.
β Wear protective goggles.
β Reduce excess pressure by covering cap of coolant expanβ
sion tank with cloths and opening it carefully.
β Lift up retaining clips.
β Remove coolant hoses.
β Push a piece of hose onto upper union.
β Insert compressed air gun into end of hose.
β Place a container under the lower union and carefully blow
coolant out of the heat exchanger with a compressed air pistol.
β Seal open lines and connections with clean plugs from engine
bung set - VAS 6122- .
β Remove driver side knee airbag β General body repairs, inβ
terior; Rep. gr. 69 ; Knee airbags; Assembly overview - knee
airbag .
β Remove centre console trim in left footwell β General body
repairs, interior; Rep. gr. 68 ; Centre console; Assembly overβ
view - centre console .
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Vehicles with auxiliary air heater
β Remove auxiliary air heater element - Z35- with auxiliary air
heater control unit - J604- β page 137 .
Continued for all vehicles
β Cover the area beneath the connections for the coolant hoses
in the plenum chamber with impermeable sheeting and abβ
sorbent paper, for example.
β Lift locking element -6- in -direction of arrow- and pull off clip
-5-
141