Volkswagen Polo Service & Repair Manual: Refrigerant Circuit Design
- Refrigerant Circuit with Expansion Valve and Evaporator
- Refrigerant Circuit with Restrictor and Reservoir
Pressure Relief Valve
Caution
Non-approved tools or materials such as leak sealing
additives can cause damage or malfunctions in the
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Refrigerant Circuit with Expansion Valve and Evaporator
1 -
Evaporator
2 -
Expansion Valve
3 -
Valve for extracting, filling and measuring
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Other materials:
Opening and closing the bonnet
Fig. 134 A: release lever in the footwell
on the driver side. B: release lever on the bonnet
Fig. 135 C: holder for the bonnet stay
in the lock carrier. D: bonnet secured with the bonnet stay
First read and observe the introductory information
and safety warningsOpening the bonnet
Ensu ...
Catalytic converter
First read and observe the introductory information
and safety warningsThe catalytic converter is used for exhaust gas post-treatment
and helps to reduce exhaust emissions. To help ensure long-term functionality in
the exhaust system and the catalytic converter:
Use unleaded petrol only.
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4-Pin Heated Oxygen Sensor (HO2S), Removing and Installing
Note
Do not repair the heated oxygen sensor wires. Repairing may
result in malfunctions.
Use the faulty sensor as a guide for installing all of the
accompanying attachments, cable ties or marking bands.
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