Tiguan 2016 ➤ , Tiguan RUS 2017 ➤
Heating, air conditioner - Edition 06.2017
00 – Technical data
1
Safety information
(VRL010527; Edition 06.2017)
⇒ “1.3 Safety measures when working on vehicles with a start/
stop system”, page 2
⇒ “1.4 Safety precautions when working on the cooling system”,
page 2
lk
⇒ “1.5 Safety precautions when working on vehicles with auxiliary/
supplementary heater”, page 2
1.1
Safety precautions when working on air conditioning systems
Risk of fatal injury and explosion from sources of ignition
Risk of fatal injury and explosion from sources of ignition in the
vicinity of air conditioning systems and refrigerant tanks. Escap‐
ing refrigerant could ignite and cause an explosion. Risk of ex‐
plosion leading to loss of life or serious injuries.
– Never bring sources of ignition close to air conditioning sys‐
tems and refrigerant tanks.
– Avoid electrostatic discharge, sparks from tools striking sur‐
faces and hot surfaces.
Risk of damage to refrigerant lines
There is a risk of damage to the refrigerant lines due to rupture of
the inner foil.
– Never bend refrigerant lines to a radius less than 100 mm.
1.2
Safety precautions when handling refrigerants
Risk of suffocation and poisoning from refrigerant
Coughing and nausea leading to suffocation and poisoning from
refrigerant vapours possible.
– Never inhale refrigerant vapours.
– Only work on the refrigerant circuit and refrigerant tanks in well
ventilated areas.
– Never work in or near cellars or other low lying areas.
– Switch on the extraction system.
1. Safety information
1
Tiguan 2016 ➤ , Tiguan RUS 2017 ➤
Heating, air conditioner - Edition 06.2017
Risk of freezing injury from refrigerant
When working on the air conditioning system, there is a risk of
highly pressurised refrigerant escaping from the system. There is
a risk of injury to the skin and parts of the body due to freezing.
– Wear protective gloves.
– Wear protective goggles.
– Extract refrigerant and open the refrigerant circuit immediately
afterwards.
– If more than 10 minutes have passed since the refrigerant was
extracted, repeat the extraction process before opening the
refrigerant circuit. Pressure could build up in the refrigerant
circuit from continued evaporation.
1.3
Safety measures when working on vehicles with a start/stop system
Risk of injury due to unexpected motor start
If the vehicle’s start/stop system is activated, the engine can start
unexpectedly. A message in the dash panel insert indicates
whether the start/stop system is activated.
– Deactivate start/stop system by switching off the ignition.
1.4
Safety precautions when working on the cooling system
lk
Danger of scalding by hot coolant
On a warm engine, the cooling system is under high pressure.
Danger of scalding by steam and hot coolant.
– Wear protective gloves.
– Wear protective goggles.
– Reduce excess pressure by covering cap of coolant expan‐
sion tank with cloths and opening it carefully.
1.5
Safety precautions when working on vehicles with auxiliary/supplementary
heater
Danger of fire and explosion from auxiliary/supplementary heater
In fire and explosion-endangered areas, a spark or the high tem‐
perature of the auxiliary/supplementary heater can cause a fire or
an explosion. Risk of burns.
– Switch the auxiliary/supplementary heater off in fire and ex‐
plosion-endangered areas.
Danger of poisoning from exhaust fumes
auxiliary/supplementary heaters produce poisonous exhaust
fumes. Risk of poisoning and injuries to respiratory system.
2
Rep. gr.00 - Technical data
Tiguan 2016 ➤ , Tiguan RUS 2017 ➤
Heating, air conditioner - Edition 06.2017
– In closed areas, only switch on the auxiliary/supplementary
heated when it is exclusively connected to an exhaust extrac‐
tor system.
– In closed areas without an exhaust extractor system, switch
off the auxiliary/supplementary heater.
Risk of damage when starting the engine
If components of the fuel system or coolant circuit of the auxiliary/
supplementary heater are removed or opened, there is a possi‐
bility of causing damage to the auxiliary/supplementary heater.
– Never attempt to start the engine when components are re‐
moved or opened.
Malfunction caused by air in the fuel supply system
Upon repair work on the fuel tank or the fuel delivery unit, air will
be drawn in by the metering pump and conveyed to the auxiliary/
supplementary heater. Air in the fuel supply system may cause
malfunction of the auxiliary/supplementary heater.
– Fill fuel take-off pipe with fuel.
lk
Risk of accidents and risk of injury due to activated timer of aux‐
iliary/supplementary heater
If the vehicle’s timer for the auxiliary/supplementary heater is ac‐
tive, the heater may switch on unexpectedly. This poses a risk of
poisoning from exhaust gases, a risk of burns caused by hot aux‐
iliary/supplementary heater components as well as a risk of fire
and explosions caused by high temperatures.
– Deactivate timer for auxiliary/supplementary heater.
1. Safety information
3
Tiguan 2016 ➤ , Tiguan RUS 2017 ➤
Heating, air conditioner - Edition 06.2017
lk
2
Identification
2.1
Identification of heater and air condition‐
ing unit
2.1.1
Identification of Valeo heater and air
conditioning unit
Determining manufacturer of heater and air conditioning unit
– Remove centre console trim in left footwell ⇒ General body
repairs, interior; Rep. gr. 68 ; Centre console; Assembly over‐
view - centre console .
A heater and air conditioning unit of the manufacturer Valeo is
installed when the coolant pipes are routed as in the figure.
Note
♦ The combined fitting of different makes of component is not
permissible.
♦ Allocate components correctly when installing ⇒ Electronic
parts catalogue (ETKA) .
2.1.2
Identification of Denso heater and air
conditioning unit
Determining manufacturer of heater and air conditioning unit
– Remove centre console trim in left footwell ⇒ General body
repairs, interior; Rep. gr. 68 ; Centre console; Assembly over‐
view - centre console .
A heater and air conditioning unit of the manufacturer Denso is
installed when the coolant pipes are routed as in the figure.
Note
♦ The combined fitting of different makes of component is not
permissible.
♦ Allocate components correctly when installing ⇒ Electronic
parts catalogue (ETKA) .
4
Rep. gr.00 - Technical data
2024 VW Tiguan Owner's Manual
