Audi A4

Since 1994 of release

Repair and car operation



Audi А4
+ Running gear
+ Regular servicing
+ Engines
+ Turbo-supercharging
+ Exhaust system
+ Cooling system
+ Fuel tank and the fuel pump
+ The air filter and channels всасывания
+ Injection system
+ Coupling
+ Transmission and the main transfer
+ Suspension bracket of wheels and steering
+ Brakes
+ Wheels and tyres
+ The electrotechnical equipment
- Ignition system
   That provides ignition
   When there is an ignition of a toplivno-air mix?
   Different systems of ignition
   So there is an ignition spark
   Executive office
   System brain
   The signals arriving in the block of management
   Detonation adjustment
   Be cautious in circulation with ignition
   Works on ignition system
   Search of malfunctions in ignition
   The ignition distributor
   High voltage knot
   Replacement of spark plugs
   Correct choice of spark plugs
   Check of the moment of ignition
+ Illumination
+ The alarm equipment
+ Tools and devices
+ Heating and ventilation
+ Body details
+ Salon
Search of malfunctions
Technical characteristics
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Correct choice of spark plugs

Designations of candles

By means of the designations resulted in the table below, you buy the necessary spark plugs for the model Audi A4. What disappears behind figures and letters?

Kalilnoe number: spark plugs should correspond to the temperatures arising in chambers of combustion of the engine.

The index gives the information on temperature which the spark plug can sustain, i.e. is capable to give, without overheating. If the candle gives too much warmth, he does not reach self-cleaning temperature, and on spark plugs the soot is postponed.
Electrodes: In Audi A4 spark plugs only with three electrodes of weight are used.

Carving: in spark plugs for Audi A4 it should be in the length 19 mm; diameter of a carving makes 14 mm.

Width of a pharynx of a key: шестигранник for installation on a candle in four- and six-cylinder engines in Audi A4 has width of 16 mm.

Sealing surface: for all engines candles with a flat sealing surface are provided. They have not acting in film sealing ring, therefore there is no necessity for additional consolidation.

Spark plugs for Audi A4

The spark plugs listed in the table correspond to factory Audi recommendations.

The engine
Conditional letter designation
1,6 l/74 of kw ADP
1,8 l/92 of kw ADR
1,8 l/110 of kw АЕВ
2,6 l/110 of kw АВС
2,8 l/128 of kw ААН
Bosch
F 7 LTCR
F 7 LTCR
F 7 LTCR
F 7 LTCR
F 7 LTCR
Distance between electrodes, mm
0,9–1,1
0,9–1,1
0,9–1,1
0,9–1,1
0,9–1,1
NGK
BKUR 6 ET
BKUR 6 ET
BKUR 6 ET
BKUR 6 ET-10
BKUR 6 ET-10
Distance between electrodes, mm
0,7–0,9
0,7–0,9
0,7–0,9
0,7–0,9
0,7–0,9