Volkswagen Polo Service & Repair Manual: Restrictor

Volkswagen Polo Service & Repair Manual / Refrrigerant R134a Servicing / Refrigerant Circuit General Information / Refrigerant Circuit Components / Restrictor

Caution

Non-approved tools or materials such as leak sealing additives can cause damage or malfunctions in the system.

Only use tools and materials approved by the manufacturer.

The warranty is voided if non-approved tools or materials are used.

All components of the refrigerant circuit submitted for quality observation are always to be sealed (use original sealing caps of original part).

Replace damaged or leaking components of refrigerant circuit. Refer to → Chapter „Components, Replacing“.

To date, the original parts (compressor, reservoir, receiver/dryer, evaporator and condenser) have been filled with nitrogen gas. This charge is being gradually discontinued. There is little or no pressure equalization when removing the sealing plugs from the original part.

The restrictor creates a constriction. This restriction reduces the flow and creates high and low pressure sides in the refrigerant circuit. Before the restrictor the refrigerant which is under a higher pressure is warm. After the restrictor the refrigerant which is under a low pressure is cold. Before the restriction there is a strainer for contaminants and after the restriction there is a strainer, to atomize the refrigerant before it reaches the evaporator.

Note

Arrow -A- on restrictor points to evaporator.

Replace after each opening of the circuit.

Note different versions.

Refer to → Rep. Gr.87.

Refer to the Parts Catalog.

Restrictor

Reservoir

Caution Non-approved tools or materials such as leak sealing additives can cause damage or malfunctions in the sys ...

Receiver/Dryer

Caution Non-approved tools or materials such as leak sealing additives can cause damage or malfunctions in the sys ...

Other materials:

Aquaplus System (Pearl Effect and Heliochrome)
Definition: Water-Based Pearl Effect Base Paint -LPW 040 ...- Water-Based Heliochrome Base Paint -LHW 046 ...- Water-Based Pearl Effect Mixed Paint -LWM 076 ...- Editio ...

Using a child seat on the front passenger seat
Fig. 63 On the sun visor on the passenger side: airbag sticker First read and observe the introductory information and safety warnings Not all countries allow you to transport children on the front passenger seat. Not every child seat is suitable for use on the front passenger seat. Volkswa ...

Vents
Fig. 128 In the dash panel: vents First read and observe the introductory information and safety warnings The vents should be left open to ensure that the vehicle interior is sufficiently heated, ventilated and cooled. Turn the relevant thumb wheel (magnified view) in the required ...