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

3.2.2. Technical characteristics

GENERAL INFORMATION

Diameter of the cylinder	82 mm
Piston stroke	90 mm
Volume	2,0 liters
Numbering of cylinders (from a gas-distributing belt to the transmission)	1–2–3–4
Sequence of operation of cylinders	1–3–4–2
The most admissible deformation of inlet and final collectors	0,15 mm
Oil pump:
– a gap between the conducted gear wheel and a casing of the pump	2,075 mm at most
– a gap between gear wheels	0,198 mm at most
– a gap between the planes of gear wheels and the plane of the pump	0,118 mm at most
– length of a spring of the reducing valve in a free state	46,05 mm at most

Moments of an inhaling, N. of m.

Bolt of a natyazhitel of a gas-distributing belt	37– 39
Bolt of an intermediate pulley of a gas-distributing belt	37 – 39
Bolts of a cover of a gas-distributing belt	8 – 10
Bolts of a cover of a head of cylinders	5 – 9
Bolts of a cover and persistent plate of the camshaft:
– step 1	4
– step 2	8
– step 3	11 – 14
Camshaft asterisk bolts	49 – 61
Bolt of a pulley of a bent shaft	157 – 167
Bolts of a casing of a back epiploon of a bent shaft	8 – 10
Cross-piece bolts	92 – 130
Bolts of a head of cylinders:
– step 1	18 – 22
– step 2	Tighten for 90 °
– step 3	Tighten for 90 °
Fastenings of the engine:
– through bolt of the right support	85 – 116
– nuts of the right support	75 – 101
– bolts and nuts of forward and back support	68 – 92
– bolts and nuts of the left support	68 – 92
– through bolt of the left support	85 – 116
– bolts of fastening of the transmission	56 – 80
– bolts of a suspended arm of the engine	36 – 51
– bolts of a final collector	16 – 24
– nuts of a final collector	18 – 28
– bolts and nuts of the heat-insulating guard of a final collector	8 – 10
– the nuts fixing the catalytic converter to an exhaust pipe	37 – 39
– bolts of a flywheel or drive plate	95 – 101
– bolts of an inlet collector	18 – 25
– bolts of an arm of an inlet collector	37 – 52
– bolts of the oil pallet	19 – 25
– bolts of the oil pump	19 – 25
– bolts of a maslozaborny branch pipe	8 – 10
– bolts of a casing of a back epiploon of a bent shaft	8 – 10
– bolts of a pulley of the water pump	8 – 10

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