Volkswagen Polo Service & Repair Manual: Compressor Types, Checking Pressures

Volkswagen Polo Service & Repair Manual / Refrrigerant R134a Servicing / Pressures, Checking / Refrigerant Circuit Pressures (with A/C Service Station), Checking / 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“.

Pressures, Checking

Note Check cooling performance. The A/C system is functioning correctly when the air flowing from the instrument panel vents has a temperature of ...

Checking with Restrictor and Reservoir, with Internally Regulated A/C Compressor

Note Connecting service station. Refer to → Chapter „Connecting Service Station“. Observe test requirements ...

Other materials:

Tire Pressure Sensor and Metal Valve, Removing and Installing
Special tools and workshop equipment required Torque Wrench 1410 -VAG1410- and Torque Wrench 1331 5-50Nm -VAG1331- – Place metal valve with rubber seal through rim from inside. ...

Changing bulbs in the front headlights (halogen H4)
Fig. 178 Rear view of the right-hand H4 headlight with plastic covers: ① dipped beam and main beam, ② turn signal and ③ side light Fig. 179 Rear view of the right-hand H4 headlight with rubber cover: ① dipped beam and main beam, ② turn signal and ③ side light First read and o ...

General Information
The following descriptions also apply to Left Rear Cigarette Lighter -U3-, Right Rear Cigarette Lighter -U7-, Rear Cigarette Lighter -U9-, 12 V Socket 2 -U18-, 12 V Socket 3 -U19-, 12 V Socket 4 -U20-, Cigarette Lighter 2 -U25- and 12 V Socket 5 -U26- if ...