Peugeot 405

1987-1997 of release

Repair and operation of the car

Peugeot 405
+ 1. Maintenance instruction
+ 2. Maintenance
+ 3. Engines
+ 4. Fuel system
+ 5. Lubrication systems, coolings
+ 6. System of release
+ 7. Coupling
- 8. Transmissions
   + 8.1. Mechanical transmission
   - 8.2. Automatic transmission
      8.2.1. Technical characteristic
      8.2.2. Description of the drive
      8.2.3. Removal and installation of the transmission
      8.2.4. Adjustment of management of gear shifting
      8.2.5. Cable of the choice of transfers
      8.2.6. Selector lever
      8.2.7. Cable of compulsory inclusion of a low gear
      8.2.8. Adjustment of a tape of a brake
      8.2.9. Removal and installation of the operating servomotor
      8.2.10. Replacement of a sealing ring of an axis of the selector
      8.2.11. Transmission heat exchanger
+ 9. Power shafts
+ 10. Steering
+ 11. Suspension brackets
+ 12. Brake system
+ 13. Body
+ 14. Electric equipment


8.2.11. Transmission heat exchanger


Transmission heat exchanger

1 – hose of cooling liquid,

2 – hose of cooling liquid,

3 – bolt of fastening of the heat exchanger,

4 – heat exchanger


1. The heat exchanger is installed on the top part of a case of the transmission. For access to the heat exchanger to remove air supply tubes in the engine.
2. Using a clip, to press both hoses of supply of cooling liquid to the heat exchanger to reduce loss of cooling liquid.
3. To weaken collars and to disconnect both hoses of cooling liquid from the heat exchanger.
4. To unscrew the central bolt of fastening of the heat exchanger and to remove the heat exchanger from the transmission. To remove two sealing rings from the heat exchanger.

Sealing rings of the heat exchanger

1 – internal sealing ring,

2 – external sealing ring,

3 – sealing ring of the central bolt


To grease with pure transmission liquid new sealing rings and to establish them on the basis of the heat exchanger. Further installation is made in the sequence of the return to removal then it is necessary to add cooling liquid in the cooling system.

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