Volkswagen Golf Service & Repair Manual: Contact corrosion
| Contact corrosion can occur if unsuitable connecting
elements (screws, bolts, nuts, washers, etc.) are used. |
| For this reason, only connecting elements with a special
surface coating are fitted in the vehicle. |
| Moreover, certain rubber or plastic parts as well as
adhesives made of electrically non-conductive materials. |
| If there is any doubt about the suitability of parts, a
general rule is to use new parts
→ Electronic Parts Catalogue. |
|
| Routing and securing lines |
| In order to rule out mix-ups and ensure that
lines/wires/cables/hoses/pipe are all installed in their
original position, the lines for the fuel, hydraulic systems,
vacuum systems and the activated charcoal filter, for example,
as well as electrical wires/cables must be marked appropriately
before they are removed. If necessary, take a photo or make a
sketch. |
| Because of the lack of space in the engine compartment, make
sure that all lines are sufficiently far away from all moving or
hot components. |
|
Installing coolers, condensers and radiators
| Even if installed correctly, the radiator, the condenser and
the charge air cooler may have small dents in their fins. This
does not mean that these components have been damaged. It is not
permissible to renew radiators, condensers or charge air coolers
only because of such minor dents. |
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When working on the fuel supply and injection system,
observe the following “5 rules” for cleanliness:
Thoroughly clean all unions and surr ...
Other materials:
Tyre sealant disposal
Tyre sealant or residue must not be mixed or disposed of
with other fluids.
Excess tyre sealant must be collected and stored in a
plastic container. The plastic container can be disposed of
through the disposal system along with th ...
Bioethanol (Ethylalcohol)
First read and observe the introductory information
and safety warnings Bioethanol E85 consists of 15% petrol (RON 95) and 85%
bioethanol (ethylalcohol). Bioethanol E85 normally contains a red dye for identification.
When using the MultiFuel engine with bioethanol, the fuel consumption may ...
Safety precautions when working on fuel supply system
Risk of injury due to highly-pressurised fuel.
The fuel system is under high pressure. Risk of injury due to fuel
which may spurt out.
–
Release high pressure before opening the fuel system.
& ...
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Rules for cleanliness