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


3.5.23. Installation of a bent shaft

GENERAL INFORMATION

Sequence of tightening of bolts of covers of radical bearings (4-cylinder engines)

Sequence of tightening of bolts of covers of radical bearings (6-cylinder engines)

Check of a lubricant gap of radical bearings

PERFORMANCE ORDER
1. Establish new inserts of radical bearings.
2. For measurement of a lubricant gap it is possible to use an internal micrometer or other special device, but the most exact and easy method is to use the special plastic measuring instrument.
3. Clear a bent shaft, bearings and lubricant openings, then accurately install a bent shaft on bearings.
4. Put a plastic piece on each of radical bearings along a shaft axis.
5. Establish covers of radical bearings, trying not to shift plastic. Tighten fixing bolts of covers till the required inhaling moment in the specified sequence. Do not turn a bent shaft.
6. Unscrew bolts and accurately uncover.
7. Compare width of the crushed film to a special scale for determination of size of a lubricant gap.
8. If the size of a gap does not conform to technical requirements, establish inserts of other size. If necessary bearings can be ground.
9. Carefully remove film traces from a shaft and bearings.

Final installation of a bent shaft

PERFORMANCE ORDER
1. Accurately remove a bent shaft.
2. Establish the top persistent half ring by cuts outside.
3. Turn a half ring around a bent shaft, having established it, thus, into place.
4. Clear a surface of inserts and oil them lubricant or engine.
5. Check that bearings of a bent shaft were pure, and establish a bent shaft into place.
6. Grease and establish the lower inserts.
7. Install covers of radical bearings in four-cylinder engines. Shooters of covers have to be directed towards a forward part of the engine. Insert and tighten bolts of covers of all radical bearings till the required inhaling moment in the specified sequence.
8. In six-cylinder engines apply sealant on the joined surfaces of the block of covers. Install the block. Insert and tighten bolts of the block of covers till the required inhaling moment in the specified sequence.
9. Turn a bent shaft a hand several times and check ease of the course.
10. Check an axial side play of a bent shaft and establish a back epiploon.



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