Opel Omega

since 1993-1999 of release

Repair and car operation

Opel Omega
+ 1. Maintenance instruction
+ 2. Maintenance
+ 3. Repair of engines
+ 4. Heating system and ventilation
- 5. Fuel, exhaust systems
   + 5.1. Petrol engines
   + 5.2. Diesel engine in volume 2,0 liters
   - 5.3. Diesel V6 2,5-liter engine
      5.3.1. Principle of operation of the diesel engine
      5.3.2. Turbokompressor
      5.3.3. System of a retsirkulyatsiya of the fulfilled gases (EGR system)
      5.3.4. Device of preheat of diesel engines
      5.3.5. System prednakala/glow plugs
      5.3.6. Relay of system of preheat
      5.3.7. Air removal from a power supply system
      5.3.8. Fuel pump of a high pressure (TNVD)
      5.3.9. Nozzles
      5.3.10. Check / adjustment of the beginning of giving of TNVD
      5.3.11. Inlet collector
      5.3.12. Main malfunctions of diesel system of injection
      5.3.13. System of production of the fulfilled gases of diesel engines
+ 6. System of start of the engine
+ 7. Ignition system
+ 8. Coupling
+ 9. Transmissions
+ 10. Main transfer, semi-axes
+ 11. Brake system
+ 12. Suspension bracket and steering
+ 13. Body
+ 14. Body electric equipment

5.3.6. Relay of system of preheat



1. Relay of system of preheat

2. DDE monitor

Scheme of the relay of preheat

Cover of tips

The respective arrangement of tips is on a relay cover for preheat system.


1. Remove a casing from electronics module about the battery.
2. Press latches of the holder by means of a screw-driver and take out the relay of system of preheat.
3. Check a strip safety lock 80 And about the connecting tip, in case of malfunction replace.
4. In advance find the reasons of an overload and eliminate.
5. Unscrew a thick positive cable from the relay case.
6. Connect the battery and check tension between the plug 15 and weight.
7. Include ignition. The light-emitting diode in the device of control of tension should light up, otherwise check tension transfer in the ignition lock.
8. If the light-emitting diode lit up, check, whether conducting to glow plugs fused, if necessary replace.
9. Otherwise replace the relay.
10. Establish a monitor casing.