3.28. Check and replacement of spark plugs. Check of a condition of high-voltage wires
Address also the Section of the Spark plug.
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Replace spark plugs only on cold or slightly warm engine. If candles are turned out on the hot engine, a thread of the head of cylinders made of light metal can be stripped. |
Before work prepare all necessary tools. Some producers of spark plugs deliver special tools for measurement of a candle gap.
- Candle key on 16 mm, for example, HAZET 4766-1 or AUDI-3122B.
- If necessary, AUDI T40039 stripper for ignition coils.
- Depending on number of cylinders of the engine necessary quantity of spark plugs. The applied spark plugs are listed in Specifications.
The best way of replacement of spark plugs is preliminary purchase of new candles, adjustment of their gap and replacement of each candle in turn. Upon purchase of candles it is very important to choose those candles which are intended for the engine of your car. Information on them is provided in Specifications.
Having near at hand new candles, let's the engine cool down completely before removal of old. During this time it is possible to examine new candles on existence in them of defects and to check candle gaps.
Security measures: Do not concern the parts which are under high voltage. The persons having a warm stimulator should not carry out any works with electronic system of ignition.
Removal
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Stripper of T40039 install surely on the most top, thick edge (an arrow on an accompanying illustration) coils of ignition and pull up. At installation on the lower edge it can be damaged. |
Engine of 2.0 l
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Engine of 3.0 l
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Engine of 4.2 l
All engines
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Check
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Installation
Establish a candle in a head of cylinders and screw it fingers against the stop, then tighten by means of a head of a candle key.
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In order to avoid a possibility of a vvinchivaniye of a candle not on a carving put on a small piece of a rubber hose or a plastic tube its shaft. The flexible tube will work as universal - the cardan hinge, providing alignment of a candle in relation to a candle nest and in case the candle begins to warp, the hose will slip on it, without giving the chance to strip a thread. |
If it is possible, use a dynamometer key for tightening of a candle to be sure that it is established correctly. The effort of tightening of candles is given in Specifications. If the dynamometer key is unavailable, tighten new candles on a corner 90 °, the candles which were in the use - on 15 °. Too strongly tightened candles at a reversing can damage a carving in a head of cylinders. In this case repair of a carving is made by means of inserts of UTC or Heli-Coil.
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