Opel Omega

since 1993-1999 release

Repair and operation of the car


Opel Omega
+ 1. Maintenance instruction
+ 2. Maintenance
+ 3. Repair of engines
- 4. Heating system and ventilation
   4.1. Technical characteristics
   4.2. Radiator
   4.3. The cooling fan(s)
   4.4. Thermostat
   4.5. Pump of cooling liquid
   4.6. Broad tank
   4.7. Sensor of the temperature indicator
   4.8. Elements of heating systems and ventilation
   4.9. Heater radiator
   4.10. Motor of the delivery fan and consecutive resistor
   4.11. Air conditioning system
   4.12. Elements of the air conditioning system
   4.13. Elements of the electronic control system of climate
+ 5. Fuel, exhaust systems
+ 6. System of start of the engine
+ 7. System of ignition
+ 8. Coupling
+ 9. Transmissions
+ 10. Main transfer, half shafts
+ 11. Brake system
+ 12. Suspension bracket and steering
+ 13. Body
+ 14. Body electric equipment



4.4. Thermostat

FOUR-CYLINDER MODELS

Removal

PERFORMANCE ORDER
1. Merge cooling liquid.
2. Disconnect a hose from a thermostat casing cover.
3. Unscrew bolts and uncover. Consider that the thermostat is built in a cover.
4. Carefully clean a thermostat casing. Also prepare a new sealing ring of a cover of the thermostat.

Installation

Installation is carried out to the sequences, the return to removal.

SIX-CYLINDER MODELS

Removal

PERFORMANCE ORDER
1. Merge cooling liquid.
2. Disconnect a hose from a thermostat casing cover.
3. Unscrew the bolt fixing a tube of cooling liquid to a head of cylinders.
4. Pull a tube of cooling liquid.
5. Disconnect a tube of cooling liquid from a thermostat casing.
6. Remove the top half of an inlet collector.
7. Unscrew bolts and uncover. Consider that the thermostat is built in a cover.

Installation

PERFORMANCE ORDER
1. Establish a sealing ring.
2. Further installation is carried out to the sequences, the return to removal.