Audi A4

since 1994 of release

Repair and car operation



A4 Audi
+ Running gear
+ Regular servicing
+ Engines
+ Turbo-supercharging
+ exhaust System
+ cooling System
+ Fuel tank and fuel pump
+ Air filter and absorption channels
+ injection System
+ Coupling
+ Transmission and main transfer
+ Suspension bracket of wheels and steering
+ Brakes
+ Wheels and tires
+ Electrotechnical equipment
- Ignition system
   That provides ignition
   When there is an ignition of a fuel and air mix?
   Different systems of ignition
   So there is an ignition spark
   Executive body
   System brain
   The signals arriving in the control unit
   Detonation adjustment
   Be careful in the address with ignition
   Works on ignition system
   Search of malfunctions in ignition
   Ignition distributor
   Knot of a high voltage
   Replacement of spark plugs
   Right choice of spark plugs
   Check of the moment of ignition
+ Lighting
+ Alarm equipment
+ Tools and devices
+ Heating and ventilation
+ body Details
+ Salon
Search of malfunctions
Technical characteristics





Right choice of spark plugs

Designations of candles

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

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

The index gives information on temperature which the spark plug can sustain, i.e. is capable to give, without overheating. If the candle gives too much warmth, it 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 length of 19 mm; diameter of a carving makes 14 mm.

Width of a pharynx of a key: the shestigrannik 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 need for additional consolidation.

Spark plugs for Audi A4

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

Engine
Conditional alphabetic reference
1,6 l/74 of kW of ADP
1,8 l/92 of kW of ADR
1,8 l/110 of kW of AEV
2,6 l/110 of kW of AVS
2,8 l/128 of kW of AAN
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 of 6 ET
BKUR of 6 ET
BKUR of 6 ET
BKUR of 6 ET-10
BKUR of 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