Volkswagen Polo Service & Repair Manual: Pressure Relief Valve
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 pressure relief valve is installed on the A/C compressor
or receiver/dryer. |
| At a pressure of approximately 38 bar (551 psi) positive
pressure, valve opens and closes again once pressure has
dissipated (approximately 30 bar (435 psi)). |
| Refrigerant does not escape completely. |
| Depending on the version, a transparent plastic disc may be
installed which breaks off as soon as the valve is activated. |
|
|
|
Caution
Non-approved tools or materials such as leak sealing
additives can cause damage or malfunctions in the
sys ...
Other materials:
Tyre Pressure Loss Indicator
Fig. 124 In the stowage compartment on
the front passenger side: button for the Tyre Pressure Loss Indicator
First read and observe the introductory information
and safety warnings The Tyre Pressure Loss Indicator uses data
from the ABS sensors and other functions to check the speed of rot ...
Changing a wheel
Fig. 170 Changing the wheel:
removing the wheel bolts with the screwdriver handle
First read and observe the introductory
information and safety warnings
Removing the wheel
Read the checklist .
Loosen the wheel bolts .
Jack up the vehicle .
Using the hexagonal socket ...
Ashtray in the drink holder
First read and observe the introductory information
and safety warnings
Fig. 104 Removable ashtray
To use, place the removable ashtray in one of the drink holders in the front
centre console or in the rear centre console .
Opening and closing the ashtray
To open, lift the ashtray cove ...
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Refrigerant Circuit Pipes and Hoses