S-class W202 Mercedes

1993-2000 of release

Repair and car operation



W202 Mercedes
+ 1.2. General information
+ 2. Maintenance
+ 3. Engines
+ 4. Greasing system
+ 5. Cooling system
+ 6. Heating, ventilation
- 7. Ignition system
   7.2. Safety measures at repair of electronic system of ignition
   7.3. Ignition coils
   + 7.4. Spark plugs
   + 7.5. Device of a preliminary warming up of a diesel engine
+ 8. Fuel system
+ 9. Transmission
+ 10. Running gear
+ 11. Steering
+ 12. Brake system
+ 13. Body
+ 14. Electric equipment
+ 14.2. Electroschemes








b47c026d b47c026d


7.3. Ignition coils

GENERAL INFORMATION

4-CYLINDER ENGINE

Removal

PERFORMANCE ORDER
1. Separate shtekkerny connection between the engine and coils of ignition (X26/24).
2. Take and put aside a tank of a stekloomyvatel.
3. Unscrew an arm of the inlet gas pipeline.
4. If is available, uncouple the lever mechanism темпомата.
5. Remove from coils of ignition of a wire of a high voltage (shooter). Turn out bolts (20/1) to ignition coils.
6. Open protective caps (20/2) on the bottom party of coils of ignition. Note wires on plugs 15 and 1 a sticky tape and unscrew them.
7. Extend coils of ignition (T1/1) and (T1/2).
Prevention

Connecting elements are energized to 400 Volts. Therefore always it is necessary to connect clips / package of the core to the car case.


8. Mount ignition coils in sequence, return to removal. Respectively, one coil of ignition запитывает tension two spark plugs.
 

6-CYLINDER ENGINE

Removal


PERFORMANCE ORDER
1. Remove a cross-section pipe of the air filter, for this purpose weaken shlangovy clips.
2. Unscrew a protective casing of spark plugs (5/1).
3. Remove tips of wires of a chain of management on coils of ignition (shooters).
4. Remove tips of wires of a high voltage on an exit of a secondary chain (Tb).

Prevention

Coils of ignition (Т1) are got by means of the candle tip through (That) directly on a spark plug. The exit of a secondary chain (Tb) by means of a wire of a high voltage arrives on the corresponding spark plug. The directing pin (W) at the same time is an element of connection of the coil of ignition on the case.


5. Pull up the ignition coil.
Prevention

Connections of primary chain are energized to 400 Volts! Therefore always a clip / package of the core should be connected to the car case.



Installation

PERFORMANCE ORDER
Installation is made in sequence, return to removal. In drawing the scheme of connection of coils of ignition and spark plugs is presented. Respectively, one coil of ignition запитывает high voltage two spark plugs.