VW Polo manuals

Volkswagen Polo Service & Repair Manual: Evaporator

  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 fluid refrigerant evaporates in the evaporator pipe coils. The heat required for this is extracted from the air flowing on the evaporator ribbing. The air cools off. Refrigerant evaporates and is extracted with the absorbed heat by the A/C compressor.
A defined amount of refrigerant is supplied to the evaporator by a restrictor or expansion valve. In systems with expansion valve, the throughput is regulated so that only gaseous refrigerant escapes the evaporator outlet.
 

Evaporator

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

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

Other materials:

Two-Part Diamond Aluminum Filling Paste
Definition: Two-Part Diamond Aluminum Filling Paste, Powder -DA 004 200 A2- Two-Part Diamond Aluminum Filling Paste, Hardener -DA 004 201 A1- Two-Part Diamond Aluminum Filling Pas ...

Replacing Reservoir, No Contaminants, No Loss of Refrigerant
  Discharge the refrigerant circuit. –  Replace the restrictor depending on the vehicle. –  Remove receiver or accumulator. –  Remove dirt from receiver or res ...

Retrofitting two-way radios
First read and observe the introductory information and safety warningsYou will need an external aerial to use a two-way radio in the vehicle. Any retrofit installation of electrical or electronic equipment in the vehicle will affect its vehicle type approval. Under certain circumstances, thi ...

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