Main.TrailIndexPage | Electrical Systems | Electrical.Horns
Horns
This component is part of Electrical Systems. Need to add stuff from http://www.sl113.org/forums/topic.asp?TOPIC_ID=2326
Definition
Define the component. Include, if known, the german language word for the component, as well as the English or American equivalent. Show a picture, a diagram.
- Its technical name & common name(s)
- part # - start year & end year
- which area it belongs to - engine, transmission, body, injection etc, link back to the relevant section
Function
Describe, in general terms the function of this component. Meaning what is it there for and what role it plays. Describe how it works, the inside mechanism. Use diagrams to explain.
Maintenance
Describe common maintenance procedures, and common faults that may occur. Describe how these may be diagnosed and resolved. Again, include diagrams, photographs and explanations. Where possible, include measures, tolerances, weights etc.
- Symptoms when it faults
- How to test if it is faulty - what tools to use
- How to fix / change
- Fixing a Rattling Horn Ring
Link to related components where appropriate.
Fixing a Rattling Horn Ring
If your horn ring rattles it is a relatively easy repair.
- Obtain from your MB dealer or MB parts supplier 3- A115 464 00 24 plug, steering column.
- Remove central steering wheel pad.
- Remove the six nuts and washers holding the wheel to the steering boss.
- Raise the wheel enough to disconnect the horn wires.
- Take the wheel to your work bench and invert it.
- Remove the three Phillips screws
- Mark the position of the plate so that it goes back in the same location and lift of the plate,horn contacts and ring.
- You will then see the three plugs that require renewing, remove the old and push in the new plugs using a blunt instrument (I used twist drill - not the sharp end )
- Refit the horn ring in the new plugs, horn contact, round plate and three screws (make sure the three male indentations match up with the female indentations in the plate)
- Refit the steering wheel, connect horn wires and pad.
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