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
Tiguan 2016 ➤ , Tiguan RUS 2017 ➤
Heating, air conditioner - Edition 06.2017
4.3
Refrigerant circuit seals
lk
♦ Renew seals after removal.
♦ Moisten seals with refrigerant oil before installing.
♦ Ensure proper seating of seal -1- in groove -arrow- of respec‐
tive refrigerant line.
♦ Make sure connections of refrigerant lines in question are
clean.
♦ Install only seals resistant to refrigerant R134a/R1234yf and
respective refrigerant oil ⇒ Electronic parts catalogue (ET‐
KA) .
The dimensions -a- and -b- depend on the fitting location of the
seal ⇒ Electronic parts catalogue (ETKA) .
8
Rep. gr.00 - Technical data
Tiguan 2016 ➤ , Tiguan RUS 2017 ➤
Heating, air conditioner - Edition 06.2017
5
Technical data
5.1
Refrigerant capacity
5.1.1
Capacities for refrigerant R1234yf
Total capacity
460 ± 15 grammes
Note
A tolerance of ± 15 g is permissible although not indicated on the
identification plate.
5.1.2
Capacities for refrigerant R134a
Total capacity
500 ± 15 g
Note
A tolerance of ± 15 g is permissible although not indicated olnk the
identification plate.
5.2
Refrigerant oil
Depending on the manufacturer, different refrigerant oils are
used; part number ⇒ Electronic parts catalogue (ETKA) .
Refrigerant oil is very hygroscopic. Therefore refrigerant oils from
containers which have been open for a longer period of time are
unusable.
– Reseal open containers immediately to protect against ingress
of moisture.
Model
Total capacity1)
3
6SES14C; Denso
6SAS14; Denso
110 ± 10 cm
3
110 ± 10 cm
3
11PXE14; Sanden
6CVC140; Mahle/Delphi
75 ± 10 cm
3
110 ± 10 cm
1) This quantity of refrigerant oil is contained in a replacement air conditioner
compressor and corresponds to the total capacity.
5.3
Oil distribution
♦ During operation of the air conditioner, the refrigerant oil in the
air conditioner compressor prior to initial operation is distrib‐
uted throughout the refrigerant circuit.
♦ The distribution of the refrigerant oil depends on the operating
mode of the air conditioner when it was switched off, the am‐
5. Technical data
9