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VW Tiguan Heating & Air Conditioner ➜ General repair refrigerant circuit instructions

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
theMANUALS.org  
   
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  
theMANUALS.org  
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
theMANUALS.org  
           

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