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:

Locking and unlocking the vehicle from the inside
Fig. 25 In the driver door: central locking button First read and observe the introductory information and safety warnings Press the button : Unlocks the vehicle. Locks the vehicle. The central locking button functions with ...

Introduction
This chapter contains information on the following subjects: → Warning and indicator lamps → Handbrake → Parking → Information on the brakes → Brake support systems → Switching the TCS on and off → Brake flu ...

A/C Pressure Switch -F129
Note For switching pressures, removing and installing switches and switch arrangement and version, see vehicle-specific refrigerant circuit. Refer to → Rep. Gr.87. ...