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:

Warning lamp
Fig. 44 Warning lamp in the instrument cluster First read and observe the introductory information and safety warnings Lights up or flashes Possible cause Solution The driver seat belt and, if the front passenger seat is occupied, the fr ...

Headlamp Washer System
The following hose connection types are used for connecting hoses to pumps and spray nozzles or as separating points – Disconnect by depressing clip -1--arrow- and then separating coupling ...

Displays
Fig. 12 A: bonnet open, B: tailgate open, C: front left door open, D: right rear door open (only in four-door vehicles) First read and observe the introductory information and safety warnings Depending on the vehicle equipment level, a variety of information can be displayed in the instr ...