Volkswagen Golf Quiz
Air conditioning system with refrigerant R134a

Tools and materials commercially available

In this manual: Air conditioning system with refrigerant R134a
General body repairs, exterior — 230General body repairs, interior — 279General information, paint — 133Vechile- specific paint information — 27Heating, air conditioning — 156Auxiliary heater — 58Air conditioning system with refrigerant R134a — 1297- speed dual clutch gearbox 0CW — 544- cylinder injection engine(1.4 1 direct inction. turbocharger) — 182Fuel supply system - Petrol engines — 59Running gear, axles, steering — 221Brake system — 92Wheels and Tyres guide — 12Guide for using trailers — 11Wheels and Tyres Guide - General Information — 121Brake system (hybrid) — 73Electrical system — 326Communication — 65Electrical system, general information — 111
~1min read

Fin comb
Tools and materials commercially available

Charging hoses

5/8"-18 UNF valve

Note

Use charging hoses in different colours, 1800 mm long.

Maintain a stock of valve openers and spare seals.
Tools and materials commercially available
Connector piece for pressure bottles for refrigerant with sealing ring, quick-release coupling or threaded connector 5/8"-18 UNF
Tools and materials commercially available

Valve caps with replacement seals (for 5/8''-18 UNF threads)

Seals can also be used for charging hoses.
Tools and materials commercially available
Manifold gauge with pressure reducer for nitrogen (maximum reduction pressure: 15 bar)
1 - Manifold gauge with pressure reducer
2 - Pressure hose (internal diameter 5 mm, length 2 m) with hose junctions
3 - Nitrogen bottle
4 - Hose fitting
Note Hose junctions for connection to the adapter set for refrigerant circuit -V.A.G 1785- with 5/8"-18 UNF threads or quick-release coupling adapter for service connections to refrigerant circuit.
Tools and materials commercially available

Quick-release coupling adapter for service connection

High-pressure side with nominal diameter of 16 mm

Low-pressure side with nominal diameter of 13 mm

Note These quick-release couplings are supplied with the air conditioner service station.
Tools and materials commercially available

Tools to be made locally

Charging hose with connector to the workshop's compressed air system

A - Charging hose 5/8" - 18 UNF** (version with large internal diameter)
B - Connector for workshop compressed air system** (use only with filter and dryer for compressed air)

** Tools and materials which are commercially available
Tools to be made locally

Test yourself

A quick Volkswagen Golf quiz: every answer comes with an explanation and a link to the manual page.