Toyota 4 Runner/Hilux/Surf

1987-1998 of release

Repair and car operation

Тойота 4Раннер
+ 1. The maintenance instruction
+ 2. Maintenance service
- 3. Engines
   + 3.1. 4-cylinder engines
   + 3.2. Engines V6 of 3,0 l (1993-1994) and 3,4 l (since 1995)
   - 3.3. Dismantle and engine major repairs
      3.3.1. Specifications
      + 3.3.2. Major repairs
      3.3.3. Diagnostics of the engine by means of the vacuum gauge
      3.3.4. Compression check in engine cylinders
      + 3.3.5. Dismantle of the power unit
      - 3.3.6. A head of cylinders Dismantling of a head of cylinders Clearing and check of a head of cylinders Assemblage
      3.3.7. Valves
      3.3.8. Shatunno-piston group
      + 3.3.9. Коленвал
      3.3.10. The block of cylinders
      3.3.11. Хоннингование cylinders
      + 3.3.12. Rods and pistons
      3.3.13. Radical and шатунные bearings
      3.3.14. Balansirnye shaft
      3.3.15. An assembly order
      3.3.16. Piston rings
      3.3.17. Start-up of the engine after repair and обкатка
+ 4. Systems of heating, ventilation
+ 5. Fuel and exhaust systems
+ 6. Transmissions
+ 7. Transmission elements
+ 8. Brake system
+ 9. A suspension bracket and a steering
+ 10. A body
+ 11. An electric equipment
+ 12. Electroschemes

3.3.6. A head of cylinders Dismantling of a head of cylinders

The prevention

Acquisition of a new head of the block, than dismantling, check and repair of the head which were in operation is represented to more expedient.

Sorting out of details клапанного the mechanism

The removed details should be stored in an order of their installation.

For dismantling of a head of the block of cylinders it is necessary to remove valves and accompanying details. At the description it is supposed that cam-shafts and pushers are already removed (subsection 3.1.7 or subsection 3.2.10) see.

1. Compress a spring of the first valve by means of the suitable adaptation (a photo at the left) and remove crackers (a photo on the right). Cautiously release a valve spring, remove a spring plate, a spring and a basic washer (if is available).

The prevention

At compression of springs do not scratch or do not damage internal apertures under pushers.

2. Get the valve and remove маслосъемный a cap.
3. Repeat the same actions for other valves.

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