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Table of Contents > Air conditioning system > Removing and installing heater, air conditioning unit, evaporator, filter

VW Tiguan Heating & Air Conditioner ➜ Removing and installing heater, air conditioning unit, evaporator, filter

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  
theMANUALS.org  
Tiguan 2016 ➤ , Tiguan RUS 2017 ➤  
Heating, air conditioner - Edition 06.2017  
♦ Torque wrench - V.A.G 1331-  
♦ Engine bung set - VAS 6122-  
lk  
♦ Drip tray for workshop hoist - VAS 6208-  
♦ Compressed air gun  
Removing  
Vehicles with 176 kW TDI bi-turbo engine  
– Remove low-pressure turbocharger ⇒ Rep. gr. 21 ; Turbo‐  
charger; Removing and installing turbocharger .  
All vehicles  
– If necessary, remove engine cover panel ⇒ Rep. gr. 10 ; En‐  
gine cover panel; Removing and installing engine cover panel .  
– If necessary, remove air filter housing ⇒ Rep. gr. 23 ; Air filter;  
Assembly overview - air filter housing .  
– Disconnect the refrigerant line with internal heat exchanger at  
the expansion valve ⇒ page 43 .  
– For any further work, immediately seal open lines and con‐  
nections with clean plugs from engine bung set - VAS 6122- .  
– Place drip tray for workshop hoist - VAS 6208- beneath en‐  
gine.  
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theMANUALS.org 5. Front heater and air conditioning unit  
Tiguan 2016 ➤ , Tiguan RUS 2017 ➤  
Heating, air conditioner - Edition 06.2017  
– Mark coolant hoses -2- and -3- so that they can be reconnec‐  
ted to proper sides again later. The heat exchanger is de‐  
signed for a certain direction of coolant flow only.  
– 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.  
– Wear protective gloves.  
– Wear protective goggles.  
– Reduce excess pressure by covering cap of coolant expan‐  
lk  
sion tank with cloths and opening it carefully.  
– Lift up retaining clips.  
– Remove coolant hoses.  
– Push a piece of hose onto upper union.  
– Insert compressed air gun into end of hose.  
– Place a container under the lower union and carefully blow  
coolant out of the heat exchanger with a compressed air pistol.  
– Seal open lines and connections with clean plugs from engine  
bung set - VAS 6122- .  
– Remove dash panel central tube ⇒ General body repairs, in‐  
terior; Rep. gr. 70 ; Dash panel central tube; Removing and  
installing dash panel central tube .  
– If necessary, remove the air duct to the rear vent  
⇒ page 174 .  
– Lift rear footwell vents under front seats and pull them towards  
rear to ease removal of footwell vents from heater and air con‐  
ditioning unit.  
– Remove rear footwell vents from heater and air conditioning  
unit.  
– Remove baffle plate ⇒ page 165 .  
Note  
Disregard items -1- and -2-.  
– Disconnect electrical connector -3-.  
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