Audi 80/Avant (B4)

since 1991-1995 release

Repair and operation of the car



Audi 80/Avant
+ Technical specification
+ Engines
+ System of production of the fulfilled gases
+ Cooling system
+ Fuel tank and fuel pump
+ Air filter and airintaking channels
+ System of injection
+ Coupling
+ Transmission and transmission
+ Suspension bracket and steering
+ Brake system
+ Anti-blocking system of brakes
+ Wheels and tires
+ Body electrical system
- System of ignition
   Various systems of ignition
   Principle of work of ignition
   Executive body
   System "brain"
   Impulses for the control unit
   Regulation on a detonation
   Security measures during the work with system of ignition
   Repair of system of ignition
   Diagnostics of system of ignition
   Ignition distributor
   Sensor of detonation combustion
   Elements of high voltage
   Replacement of spark plugs
   Spark plugs
   Check of the moment of ignition
+ Lighting
+ Signaling devices
+ Devices and auxiliary devices
+ Heating and ventilation
+ Body elements
+ Search of malfunctions
+ Specifications





Spark plugs

Designations of spark plugs

Having the designations given in the table below you having got the spark plugs corresponding to your car. What is behind numbers and letters?

Kalilny number: spark plugs have to be calculated on temperatures arising in the engine at combustion. The index speaks about that how many heat the spark plug can take away, without overheating at the same time. If the candle takes away too much heat, then it does not reach self-cleaning temperature, and on electrodes of a spark plug soot accumulates.

Electrodes: in Audi 80 spark plugs with three electrodes are applied.

Candle carving: its length has to make at spark plugs for Audi 80 – 19 mm; diameter of a carving – 14 mm.

Width under a wrench: for installation of a candle key models have to have a hexagon with 4-and 5-tsilidrovy engines 20,8 mm wide, at 6-cylinder engines this size makes 16 mm.

Prileganiye surface: for all engines spark plugs with a flat surface of a prileganiye are ordered. They are supplied with not falling down sealing ring therefore it is not necessary to put any additional sealing ring.

Spark plugs it is necessary to tighten the moment of 20 N • m. If near at hand there is no dynamometer key: to screw a candle to a prileganiye of a sealing ring (shooter) when it is impossible to turn it more neither a hand, nor a candle key without the use of force. Now, if you established new candles, tighten a candle key still approximately on a quarter of a turn. If you put already applied candles, will be enough if you turn a candle key for 15 °.

Spark plugs for Audi 80

The spark plugs called in the table correspond to instructions of the producer

Engine
Marking
2,0 l / 66 kW
ABT
2,0 l / 85 kW
ABK
2,3 l / 98 kW
LG
2,6 l / 110 kW
ABC
2,8 l / 128 kW
AAH
Beru
14-7 DTU
14-8 DTU
14 G-8 DTU
14 F-6 DTU
14 F-6 DTU
Bosch
W 7 DTC
W 8 DTC
F 6 DTC
F 6 DTC
Champion
N 7 BYC
N 9 BYC
N 9 BMC
With 6 BYC 4
With 6 BYC 4
LGK
BKUR 6 ET 10
BKUR 6 ET 10
Gap between electrodes, mm
0,7 — 0,9
0,7 — 0,9
0,7 — 0,9
0,9 — 1,1
0,9 — 1,1







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