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)
      3.2.1. Introduction
      3.2.2. Technical characteristics
      3.2.3. Recommendations about repair
      3.2.4. Top dead point
      3.2.5. Cover of a head of cylinders
      3.2.6. Springs, clamps and epiploons of valves
      3.2.7. Gas-distributing belt and asterisks
      3.2.8. Camshafts and pushers
      3.2.9. Inlet collector
      3.2.10. Final collector
      3.2.11. Head of cylinders
      3.2.12. Forward epiploon of a bent shaft
      3.2.13. Oil pallet
      3.2.14. Oil pump
      3.2.15. Flywheel or drive plate
      3.2.16. Back epiploon of a bent shaft
      3.2.17. Fastenings of the engine
   + 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)
   + 3.6. 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


3.2.8. Camshafts and pushers

Removal

Sequence of tightening of bolts


PERFORMANCE ORDER
1. Uncover a head of cylinders.
2. Remove the ignition breaker distributor.
3. Take off a gas-distributing belt and asterisks of camshafts.
4. Measure a free wheeling of shaft by means of the special device. If the size of a free wheeling exceeds admissible limits, replace the camshaft or / and persistent plates or a head of cylinders.
5. Using the sequence, the return sequence of tightening, weaken in several approaches (on 1/4 turns) bolts of covers of bearings of camshafts (see rice. Sequence of tightening of bolts).
6. Uncover and arrange them one after another. All covers have to be numbered and marked by letters I (a cover of a shaft of inlet valves) or E (a cover of a shaft of final valves).
7. Remove the camshaft.
8. Take pushers by means of a magnet.
9. Arrange pushers one after another that in installation time not to mix them.

Prevention

Hydraulic pushers should be held turned in pure engine oil.


10. Carefully clean camshafts and remove their epiploons.

Installation

PERFORMANCE ORDER
1. Apply molybdenic lubricant on pushers and establish them on places.
2. Apply molybdenic lubricant on cams and necks of bearings of camshafts.
3. Establish shaft in a head. Establish covers of bearings of shaft and insert bolts.
4. Before installation do not forget to apply sealant on the surface of the first cover which is joined to a head.
5. Using the specified sequence, tighten bolts of covers in stages (on 1/4 turns) (see rice. Sequence of tightening of bolts).
6. Establish new epiploons of camshafts.
7. Establish the remained details and check operation of the engine. At emergence, any foreign sounds, carry out an inspection of pushers (see subsection 3.1.10) or address the expert.



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