Mazda 626

1991-1998 of release

Repair and operation of the car



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)
   - 3.5. Partition of engines (2,0 and 2,5 liters of V6)
      3.5.1. Introduction
      + 3.5.2. Technical characteristics
      3.5.3. Repair work without dismantle of the engine from the car
      + 3.5.4. Capital repairs of the engine
      3.5.5. Check by means of the vacuum measuring instrument
      3.5.6. Check of a compression
      3.5.7. Methods of dismantle of the engine
      3.5.8. Removal and installation of the engine
      3.5.9. Engine partition
      3.5.10. Partition and check of a head of cylinders
      3.5.11. Valves
      3.5.12. Assembly of a head of cylinders
      3.5.13. Removal of pistons and rods
      3.5.14. Removal of a bent shaft
      3.5.15. Check of the block of cylinders
      3.5.16. Honingovaniye of cylinders
      3.5.17. Check of pistons and rods
      3.5.18. Check of a bent shaft
      3.5.19. Check and selection of radical bearings and bearings of rods
      3.5.20. Check of camshafts and pushers
      3.5.21. Engine assembly order
      3.5.22. Installation of piston rings
      3.5.23. Installation of a bent shaft
      3.5.24. Installation of a back epiploon of a bent shaft
      3.5.25. Installation of pistons and rods
   + 3.6. Diesel engine 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 half shafts
+ 9. Brake system
+ 10. Running gear
+ 11. Body
+ 12. Electric equipment
+ 13. Electrical circuitries
+ 14. Useful tips


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3.5.7. Methods of dismantle of the engine

GENERAL INFORMATION

If the decision on dismantle of the engine for carrying out capital repairs, or repair of the main knots was made, then it is necessary to hold certain preparatory activities.

It is extremely important to plan the place where works will be performed. Undoubtedly, the best place is the workshop. It is very important to have the equipped working platform, and also the place for storage of the car. If there is neither workshop, nor a garage, then the flat smooth concrete or asphalt platform will be required.

Washing of a motor compartment and the engine before demontazhy will allow to keep the tool clean and the constant working condition.

Also will be necessary the elevator or a telfer. Make sure that these devices have a stock on loading capacity and are capable to lift the engine with all units. Observance of security measures plays a paramount role as raising of the engine from the car – operation dangerous.

If works on dismantle of the engine are carried out by the inexperienced person, then the assistant is necessary. Consult and ask to help the persons having experience in such works. Many works when raising the engine from a motor compartment which exclude their performance by one person are reckoned.

In advance plan the actions. Agree or get all necessary tools and the equipment before beginning works. To some devices ensuring safety at dismantle and installation of the engine, and also decrease in labor costs strong supports, a full set of keys and mandrels, wooden blocks, rags and solvent for cleaning of inevitable pools from the spilled liquids belong (besides the elevator). If the elevator is hired, then agree in advance, having performed all works in which this mechanism is not necessary. It will allow to save money and time.

Keep in mind that considerable time you will not be able to use the car. For performance of some works inaccessible in house conditions due to the lack of the special equipment, it is necessary to address in a workshop of car service. These enterprises work according to the schedule and will be expedient to consult there before dismantle of the engine precisely to estimate expenses of time for repair and restoration of details.

Always at dismantle of the engine be very attentive. Rash actions can be the cause of serious injuries. In advance consider the actions. Do not feel sorry on it for time because the main thing – work without injuries.


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