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:

Checklist
To ensure your own safety and that of your passengers, observe the following actions in the specified order : Stop the vehicle at a safe distance away from moving traffic and on a suitable surface . Switch on the hazard warning lights using the button . Apply the handbrake ...

Factory Paint Paint Structure
Structure of a Solid-Color Paint System, Conventional Approximately 80-120 µm thick 1 - Steel Panel 2 - Zinc Phosphate Coating 3 - Electr ...

Working on Airbag System
WARNING When working on the airbag system (pyrotechnic components, Airbag Control Module -J234-, wiring), the ground cable must be disconnected with the ignition switched on. ...