Volkswagen Polo Service & Repair Manual: O-Ring
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. |
|
|
|
| These o-rings seal off the connection points between
individual components of the refrigerant circuit. |
| Only O-rings that are resistant to refrigerant r134a and
refrigerant oil must be installed. Make sure they are original
replacement parts. |
| Refer to the Parts Catalog. |
| Make sure diameters -a- and
-b- are correct. |
| Coat with refrigerant oil before installing |
 Note
| The color coding of refrigerant circuit o-rings with R134a
has been discontinued. Colored and black O-rings are used. |
| Refer to the Parts Catalog. |
|
|
|
Caution
Non-approved tools or materials such as leak sealing
additives can cause damage or malfunctions in the
sys ...
Caution
Non-approved tools or materials such as leak sealing
additives can cause damage or malfunctions in the
sys ...
Other materials:
Checking with Expansion Valve and Receiver/Dryer, with Internally Regulated
A/C Compressor
Note
Connecting service station. Refer to
→ Chapter „Connecting Service Station“.
Observe test requirements. Refer to
→ Chapter „Pressures, Checking“.
–
...
Tread depth and wear indicators
Fig. 147 Tyre tread: wear indicators
First read and observe the introductory information
and safety warningsTread depth
Difficult driving situations demand the deepest possible tread depth for the
tyres and the same tread depth for the tyres on the front and rear axles. This applies
in pa ...
A/C Compressor without Magnetic Clutch
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
manufactu ...
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Expansion Valve
Refrigerant Circuit Pipes and Hoses