lk
Tiguan 2016 ➤ , Tiguan RUS 2017 ➤
Heating, air conditioner - Edition 06.2017
3
General information
⇒ “3.3 Type plates”, page 6
3.1
Notes concerning odours in air condi‐
tioned vehicles
♦ If the evaporator emits unpleasant odours, clean the evapo‐
rator.
♦ Volkswagen has tested and approved the ultrasound A/C
cleaner - VAS 6189A- as well as the suction feed spray-gun -
V.A.G 1538- with the appropriate spray probe.
♦ Instructions on cleaning the evaporator are supplied with the
equipment.
♦ As soon as Volkswagen releases new procedures, corre‐
sponding information is found in the workshop manual ⇒ Air
conditioning systems with refrigerant R1234yf - General infor‐
mation; Rep. gr. 87 ; Refrigerant circuit; Possible complaints
or ⇒ Air conditioning system with refrigerant R134a; Rep. gr.
00 ; Complaints; Odours from heater and air conditioner unit
3.2
Notes for vehicles with start-stop system
The following abort conditions deactivate the start-stop-function:
♦ The start-stop system has been switched off via the start-stop
mode button.
♦ The charge status of the battery - - is insufficient to restart the
engine (starting voltage prediction).
♦ The defrost function is active.
♦ The windscreen heater function is active.
♦ The temperature set on the operating and display unit varies
by more than 8°C from the actual interior temperature.
♦ The engine speed is greater than 1200 rpm.
♦ The alternator - C- is defective, i.e. poly V-belt broken.
♦ The coolant temperature is not within specifications of 25°C -
100°C.
♦ Blower speed increase by more than 4 stages.
3. General information
5
Tiguan 2016 ➤ , Tiguan RUS 2017 ➤
Heating, air conditioner - Edition 06.2017
3.3
Type plates
3.3.1
Identification plates, refrigerant R1234yf
Identification plate with capacities for refrigerant R1234yf and re‐
frigerant oil
1 - Designation of refrigerant oil
2 - Name of refrigerant
3 - Refrigerant capacity
Note
♦ A tolerance of 460 ± 15 g is permissible although not indicated
on the identification plate.
♦ Capacities for refrigerant R1234yf and refrigerant oil
⇒ “5 Technical data”, page 9 .
3.3.2
Identification plates, refrigerant R134a
Identification plate with capacities for refrigerant R134a and re‐
frigerant oil
1 - Name of refrigerant
2 - Refrigerant capacity
3 - Designation of refrigerant oil
Note
♦ A tolerance of 500 ± 15 g is permissible although not indicated
on the identification plate.
♦ Capacities for refrigerant R134a and refrigerant oil
⇒ “5 Technical data”, page 9 .
6
Rep. gr.00 - Technical data
Tiguan 2016 ➤ , Tiguan RUS 2017 ➤
Heating, air conditioner - Edition 06.2017
4
Repair notes
⇒ “4.3 Refrigerant circuit seals”, page 8
4.1
Working on refrigerant circuit
In some countries special qualifications are required for any work
for which the refrigerant circuit needs to be opened.
Additional information
♦ For notes on repair work on vehicles equipped with an air con‐
ditioning system and for handling refrigerant, refer to ⇒ Air
conditioning systems with refrigerant R1234yf - General infor‐
mation; Rep. gr. 00 ; Safety instructions or ⇒ Air conditioning
system with refrigerant R134a; Rep. gr. 00 ; General infor‐
mation on the air conditioning system; Safety precautions
when working on vehicles equipped with an air conditioning
system and for handling refrigerant R134a .
♦ For notes on working with air conditioner service station on
vehicles equipped with an air conditioning system, refer to ⇒
Air conditioning systems with refrigerant R1234yf - General
lk
information; Rep. gr. 87 ; Working with air conditioner service
station or ⇒ Air conditioning system with refrigerant R134a;
Rep. gr. 00 ; Working with air conditioner service station .
♦ Conditions and procedure for flushing with refrigerant R1234yf
⇒ Air conditioning systems with refrigerant R1234yf - General
information; Rep. gr. 87 ; Refrigerant circuit; Cleaning refrig‐
erant circuit or ⇒ Air conditioning system with refrigerant
R134a; Rep. gr. 00 ; Removing contamination from refrigerant
circuit; Flushing refrigerant circuit with refrigerant R134a
(cleaning) .
♦ Notes on testers and tools for repairs to vehicles with air con‐
ditioning can be found in ELSA under ⇒ Air conditioning
systems with refrigerant R1234yf - General information or ⇒
Air conditioning system with refrigerant R134a; Rep. gr. 00 ;
Testing equipment and tools .
♦ 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 .
4.2
General repair instructions
Never attempt to repair any heating and air conditioning system
components. Defective components must be replaced with Gen‐
uine parts.
4. Repair notes
7
2024 VW Tiguan Owner's Manual
