Toyota 4 Runner/Hilux/Surf

1987-1998 of release

Repair and car operation

Toyota 4Раннер
+ 1. Maintenance instruction
+ 2. Maintenance
+ 3. Engines
+ 4. Systems of heating, ventilation
+ 5. Fuel and exhaust systems
- 6. Transmissions
   + 6.1. Mechanical transmission
   - 6.2. Automatic transmission
      6.2.1. Specifications
      6.2.2. Transmission diagnostics
      6.2.3. Cable of a drive of a zaslonka
      6.2.4. Draft of transmission
      6.2.5. The blocking switch
      6.2.6. System of fixing of transfers
      6.2.7. Lever of change of transfers
      6.2.8. Removal and transmission installation
   + 6.3. Transfer case
+ 7. Transmission elements
+ 8. Brake system
+ 9. Suspension bracket and steering
+ 10. Body
+ 11. Electric equipment
+ 12. Electroschemes

6.2.2. Transmission diagnostics



Malfunction of the engine (capacity loss), the wrong adjustments, refusals of hydraulic system of transmission, mechanical drive and processor control system can be the main reasons for abnormal work of transmission. First of all it is necessary to check level and a liquid condition, to adjust drafts. If these measures do not lead to positive result, it is necessary to address in car-care center.

Preliminary checks

1. Check level and a liquid condition. If level is higher than norm, check existence of pollution by cooling liquid which could get because of leak in a radiator. If spumescence is found, liquid replace.
2. Check turns of idling of the engine. If necessary execute repair and adjust, as further checking of transmission is not meaningful.
3. Believe work of a mechanical drive of transmission.

Condition check on leakage of liquid

1. The leak of liquid is easily established on dark red color and eliminated with replacement of epiploons or laying. For detection of an appreciable leak park the car after a trip on some km over a blank sheet of a cardboard or paper. About 2 minutes later to flow it is possible to find. If a leak weak, carefully clear a case and check places of consolidations after a trip.
2. If the place of a leak is established, define the reason of a leak and a way of repair (for example it is impossible to eliminate with replacement of laying a leak if the demountable planes сдеформированы).
3. Before elimination of a leak analyse the reasons of a leak and define nature of repair work as a set of types of repair independently to execute it is impossible.

The leak from under laying can be a consequence of increase of pressure or liquid level owing to a contamination of ventilating openings, deformation of the pallet or its demountable plane, discrepancy of applied brand of hermetic recommended, defects of molding of the pallet. Check periodically tightness of consolidation of a branch pipe of the index and a speedometer reducer.

The leak from under an epiploon can be caused increases of pressure or liquid level owing to a contamination of ventilating openings, the wrong installation of an epiploon, injury of a condensed neck of a shaft or wear of the bearing of a shaft.

The leak of a case is caused by defects of molding. Check reliability of fastening of hoses of a cooler of liquid.

The leak from сапуна indicates transmission overflow, hit of cooling liquid, porosity of a material of a case, the wrong provision of the index, a contamination of ventilating and drainage channels.