Get Test equipment and tools -> Tools and materials available from regional sales centre or importer Guide for Audi A2 SUV 1999-2005

Audi 100 1991 ➤ , Audi 80 1992 ➤ , Audi A1 2011 ➤ , Audi A1 Sportback 2 ...

Air conditioner with refrigerant R134a - Edition 11.2018

Overview

Page

Combination fine filter unit for compressed air system, oil, dirt and water sep‐

Not illustrated

arator as standard for painting facilities

Valve opener for Schrader valve

Manual shut-off valve 5/8"-18 UNF

Recycling cylinder for refrigerant R134a

Digital thermometer

Protective gloves

Safety goggles

Not illustrated

Refrigerant R134a with cylinder (capacity as required)

11.1.3

Improvised tools

Overview

Filler hose with connection to compressed-air system for workshop

Page

Not illustrated

11.2

Tools and materials available from re‐

gional sales centre or importer

Service station / air conditioner service station (this illustration

shows V.A.S 6007A, for example), for currently available air con‐

ditioner service stations ⇒ Electronic parts catalogue (Tools;

Workshop equipment/tools; Air conditioning/heating).

♦ The operations "testing, extraction (recycling), evacuation,

flushing and charging" must be performed according to the

relevant operating instructions.

♦ The filters and dryers fitted must be renewed by no later than

the end of the period of use specified in the operating instruc‐

tions and each time the station is drained (have replacement

filter to hand). Available from equipment manufacturer; refer

to the operating instructions for the air conditioner service sta‐

tion.

♦ Air conditioner service stations that are not displayed here

may also be used ⇒ Electronic parts catalogue (Tools; Work‐

shop equipment/tools; Air conditioning/heating).

♦ Currently available air conditioner service stations are provi‐

ded with a refrigerant circuit flushing program. The scope of

delivery of these air conditioner service stations also includes

the necessary flushing kit ⇒ Electronic parts catalogue (Tools;

Workshop equipment/tools; Air conditioning/heating).

Note

♦ This air conditioner service station comprises the following

standard components: Charging cylinder, pressure gauge set,

vacuum pump, shut-off valves and filler hoses.

♦ One quick-release coupling each (for service connections on

high and low-pressure side) is included in the scope of delivery

of this air conditioner service station.

♦ Depending on the version, a current vacuum display (LED)

may appear after pressing the “Evacuation” button again.

11. Test equipment and tools

379

Audi 100 1991 ➤ , Audi 80 1992 ➤ , Audi A1 2011 ➤ , Audi A1 Sportback 2 ...

Air conditioner with refrigerant R134a - Edition 11.2018

Leak detector (e.g. V.A.G 1796), currently available leak detec‐

tors⇒ Electronic parts catalogue (Tools; Workshop equipment/

tools; Air conditioning/heating)

Leak detector (e.g. VAS 6201), currently available leak detector

systems ⇒ Electronic parts catalogue (Tools; Workshop equip‐

ment/tools; Air conditioning/heating)

Puller for magnetic clutch V.A.G 1719 (for “Zexel / Valeo” air con‐

ditioner compressor)

Adapter set for refrigerant circuit R134a V.A.G 1785/1-10

Adapter for cleaning refrigerant circuit (flush with refrigerant

R134a) ⇒ page 100 or blow out with compressed air and nitrogen

⇒ page 95 .

A - 5/8"-18 UNF thread for conical seal

B - Union nut (for connection with O-ring) with thread

♦ M 18x1.5 V.A.G 1785/1

♦ M 20x1.5 V.A.G 1785/2

♦ M 24x1.5 V.A.G 1785/3

♦ M 28x1.5 V.A.G 1785/4

380

Rep. gr.87 - Air conditioning system

Audi 100 1991 ➤ , Audi 80 1992 ➤ , Audi A1 2011 ➤ , Audi A1 Sportback 2 ...

Air conditioner with refrigerant R134a - Edition 11.2018

Adapter

A - 5/8"-18 UNF thread for conical seal

B - Threaded connection for O-ring

♦ M 18 x 1.5 V.A.G 1785/5

♦ M 20 x 1.5 V.A.G 1785/6

♦ M 24 x 1.5 V.A.G 1785/7

♦ M 28 x 1.5 V.A.G 1785/8

Valve adapter

A - 5/8"-18 UNF thread for conical seal

B - Internal thread with valve opener

♦ M 10 x 1.25 V.A.G 1785/9 (for connections with valve on high-

pressure end)

♦ M 12 x 1.5 V.A.G 1785/10 (for connections on low-pressure

end)

Note

♦ A Schrader valve is screwed into connection -A-.

♦ A valve opener must be installed in the filler hose connection.

♦ Various adapters from this adapter set are also included in the

VW/Audi passenger vehicle adapter set - VAS 6338/1- .

Adapter set for service connection V.A.G 1786

A - Adapter with union nut - V.A.G 1786/1- (only for connections

with small valve core at low-pressure side)

B - Filler hose with union nut 5/8"-18 UNF (short version)

C - Adapter with service connection - V.A.G 1786/2-

Note

♦ For connections with large valve core (standard on “Zexel/Va‐

leo” compressors, gradual change to small valve core from

10.94 onwards), adapter V.A.G 1785/10 should be used (re‐

move valve from adapter V.A.G 1785/10 or install valve open‐

er in filler hose -B-).

♦ The logo of the compressor manufacturer “Zexel” attached to

the air conditioner compressor was modified from “Zexel” to

“Valeo” from year of production 2006 onwards (change in

manufacturer's name).

11. Test equipment and tools

381

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