Volkswagen Golf Service & Repair Manual: Checking
– |
Connect manifold gauge (air conditioner service station). |
– |
Read pressure gauge. It may display two results, A and B. |
|
|
|
Ambient
temperature in degrees centigrade |
Pressure in
the refrigerant circuit in bar positive pressure |
+15°C |
3.9 |
+20°C |
4.7 |
+30°C |
6.7 |
+40°C |
9.1 |
A- The pressure in the refrigerant circuit is less than
shown in the table, (insufficient refrigerant in the circuit). |
- Check for leaks using leak detector. |
- The high-pressure safety valve has opened; check the
activation for the radiator fan referring to the current flow
diagram. |
Check refrigerant pipes and refrigerant hoses for bends that
have too tight radius (restrictions in cross-section) and for
external damage. If no faults are found, purge the refrigerant
circuit. |
B- The pressure in the refrigerant circuit is greater than
or equal to the value in the table. |
– |
Set air conditioning system to maximum cooling power. |
– |
Open vents in dash panel. |
The air conditioner compressor is driven by the engine, via
the V-belt and magnetic clutch. |
Note
If the air conditioner compressor is not being driven, check
the power supply for the air conditioning system magnetic clutch
-N25- in accordance with the current flow diagram. |
If power supply is OK, repair magnetic clutch. |
If the air conditioner compressor is not being driven, check
the refrigerant circuit: |
– |
Raise engine speed to 2,000 rpm. |
– |
Observe the manifold gauge. |
|
Specifications
Increasing from the pressure when the engine is stopped to a
maximum of 20 bar positive pressure. |
Decreasing from the pressure when the engine is stopped to
1.3 bar positive pressure. |
|
Radiator and condenser must be clean (clean them if
necessary).
The V-belt for air conditioner compressor and alternator is
correct ...
Note
Connecting air conditioner service station
→ Chapter.
Observe the test prerequisites
→ Cha ...
Other materials:
Assembly overview - three-point seat belt, estate, with belt tensioner
1 -
Belt guide
Removing and installing
→ Chapter
2 -
Belt inertia reel
Removing and installing
→ Chapter
3 -
Electrical wiring harness
4 -
Bolt
...
Aqua Premium system (painting rims)
Designation:
Metallic waterborne base coat -LWG 056 1H7 A1-
Issued 04.2013
Product description
Instructions for painting rims with metallic waterborne base
coat -LWG 056 1H7 ...
Attaching the mounts and roof carrier
Fig. 105 Attachment points for the mounts
and roof carrier on 2-door vehicles
Fig. 106 Attachment points for the mounts
and roof carrier on 4-door vehicles
First read and observe the introductory information
and safety warnings The mounts are the basis of a complete roof carrier system. ...
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