Volkswagen Polo Service & Repair Manual: Compressor Types, Checking Pressures
 Note
| Check cooling performance. The A/C system is functioning
correctly when the air flowing from the instrument panel vents
has a temperature of 70C or lower. |
| Setting on Climatronic “LO”. |
| Setting on A/C system “AC” on; “max”; “cold”. |
| Connections with valve and service connections for measuring
and checking. |
| Check on vehicles with restrictor and reservoir (with
internally regulated A/C compressor). Refer to
→ Chapter „Checking with Restrictor and Reservoir, with
Internally Regulated A/C Compressor“. |
| Check on vehicles with expansion valve and receiver/dryer
(with internally regulated A/C compressor). Refer to
→ Chapter „Checking with Expansion Valve and Receiver/Dryer,
with Internally Regulated A/C Compressor“. |
| On vehicles with expansion valve and receiver/dryer (without
regulated A/C compressor). Refer to
→ Chapter „Checking with Expansion Valve and Receiver/Dryer,
without Regulated A/C Compressor“. |
| Checking pressures for vehicles with restrictor, reservoir
and A/C Compressor Regulator Valve -N280- (externally regulated
A/C compressor). Refer to
→ Chapter „Checking with Restrictor, Reservoir and A/C
Compressor Regulator Valve -N280-, Externally Regulated A/C
Compressor“. |
|
|
|
Note
Check cooling performance. The A/C system is functioning
correctly when the air flowing from the instrument panel vents
has a temperature of ...
Note
Connecting service station. Refer to
→ Chapter „Connecting Service Station“.
Observe test requirements ...
Other materials:
Refrigerant Oil
Refrigerant oil mixes with the refrigerant (about 20 - 40%,
depending on compressor type and amount of refrigerant) and
circulates constantly in the system, lubricating the moving
parts.
Special synthetic refrigerant oils, for example,
...
Valve, Removing and Installing, Metal Valve
Special tools and workshop equipment
required
Torque Wrench -VAG1410-
Perform the Following:
Removing
–
Remove the Tire Pressure Monitoring Sensor. Refer to
...
Introduction
This chapter contains information on the following subjects:
→ Types of front passenger front airbag system
→ Indicator lamps
→ Description and function of the airbags
→ Front airbags
→ Switching the front passenger front airbag on and off manually u ...
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Pressures, Checking
Checking with Restrictor and Reservoir, with Internally Regulated A/C
Compressor