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“. |
|
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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:
Introduction
This chapter contains information on the following subjects:
→ Operating ParkPilot
→ Acoustic and optical ParkPilot signals at the rear of the vehicle
The ParkPilot assists the driver when manoeuvring and parking.
The ultrasound sensors in the rear bumper transmit and recei ...
Fold Corrosion Servicing Notes
Corrosion on the Fold Edges, for Instance on the Hood, Door
or also the Rear Lid
–
Remove the corroded areas with
→ Chapter „Pneumatic Brush Grinder Set -VAS6446-“ or
→ Chapter „Brush Grinder Set ...
Controls for the heating and fresh air system
Fig. 127 In the centre console: rotary
controller of the heating and fresh air system with controls
First read and observe the introductory information
and safety warnings
Button, control
Additional information. Heating and fresh air system
...
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Pressures, Checking
Checking with Restrictor and Reservoir, with Internally Regulated A/C
Compressor