Mazda 626

1991-1998 of release

Repair and car operation

Mazda 626

+ 1. Maintenance instruction
+ 2. Maintenance
- 3. Engines
   + 3.1. Petrol engines (1,6 and 1,8 liters)
   + 3.2. Petrol 4-cylinder engine (2 liters)
   + 3.3. Petrol V6 engine (2,5 liters)
   - 3.4. Partition of engines (1,6 and 1,8 liters)
      3.4.1. Introduction
      3.4.2. Technical characteristics
      3.4.3. Repair work without engine dismantle from the car
      + 3.4.4. Major maintenance of the engine
      3.4.5. Engine checks
      3.4.6. Removal and engine installation
      3.4.7. Preparation for a partition
      3.4.8. Engine partition
      3.4.9. Partition and check of a head of cylinders
      3.4.10. Repair of valves
      3.4.11. Assembly of a head of cylinders
      3.4.12. Removal of pistons and rods
      3.4.13. Removal of a cranked shaft
      3.4.14. Check and cleaning of the block of cylinders
      3.4.15. Honingovaniye of cylinders
      3.4.16. Check of pistons and rods
      3.4.17. Check of a cranked shaft
      3.4.18. Check of radical bearings and bearings of rods
      3.4.19. Engine assembly order
      3.4.20. Installation of piston rings
      3.4.21. Installation of a cranked shaft
      3.4.22. Installation of a back epiploon of a cranked shaft
      3.4.23. Installation of pistons and rods
      3.4.24. Engine start-up after repair and a running in
   + 3.5. Partition of engines (2,0 and 2,5 liters of V6)
   + 3.6. Diesel engine of 2,0 liters
   + 3.7. Systems of electric equipment of the engine
+ 4. Heating and ventilation
+ 5. Fuel system
+ 6. Exhaust system
+ 7. Transmissions
+ 8. Coupling and semi-axes
+ 9. Brake system
+ 10. Running gear
+ 11. Body
+ 12. Electric equipment
+ 13. Electroschemes
+ 14. Good advice

Сам себе сантехник

3.4.9. Partition and check of a head of cylinders

1. Remove camshafts and regulators of valves.
2. By means of the special tool compress a valve spring.
3. Remove konusny plugs of the valve.
4. Remove a plate, a spring and a spring saddle.
5. Get the valve via the combustion chamber.
6. After removal, combine each valve and its elements in the separate marked bag.

1. Carefully clean off traces of old laying of a head by means of a scraper or special solvent.
2. Remove deposits from head openings.
3. Clean dirt and the hermetic remains from openings with a carving.
4. Clean a head solvent and dry up it.
5. Clean solvent and dry up regulators of valves, springs of valves, konusny plugs, plates and saddles of springs.
6. Clean valves.

1. Check a head of cylinders on existence of cracks and damages, if necessary a head it is necessary to process on the special machine or to replace.
2. By means of a ruler and щупа, check, whether the surface on which head laying (is shown the typical head of the cylinder) is established is deformed.
3. Check saddles of valves if on them there are any damages address to experts.
4. Measure gaps between directing plugs and rods of valves. The gap should be about 1,6 mm. In need of the plug it is necessary to replace.