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:
Hub Cap for Alloy Wheels with Open Threaded Connection, Removing and
Installing
Removing
The wheel is removed.
Note
Hold the cap secure -1- with
the hammer.
Installing
...
General Information
In order to be able to force moisture and other contaminants
out of refrigerant circuit, compressed air and nitrogen (to
force moisture out of refrigerant circuit) are to be used.
For the most part, blowing through the refrigerant circui ...
Introduction
This chapter contains information on the following subjects:
→ Preparing the vehicle for working in the engine compartment
→ Opening and closing the bonnet
Always park the vehicle on a level and stable surface before carrying out any
work in the engine compartment.
The engine ...
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Expansion Valve
Refrigerant Circuit Pipes and Hoses