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:
Wear Spots
Wear spots are caused by a hard stop with locked wheels
whereby the rubber compound is abraded from the contact patch.
When the tires slide across the road surface, frictional
heat is generated which reduces the abrasion resistance on the
...
Wheel, Balancing with Fine Balancing Machine (Finish Balancer)
Before beginning balancing, the following requirements must
be fulfilled.
The tire pressure must be OK.
The tire profile must not be worn on one side. The tire
profile must be at least 4 mm.
...
Expansion 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
manufactu ...
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Expansion Valve
Refrigerant Circuit Pipes and Hoses