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)
      3.2.1. 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 cranked shaft
      3.2.13. Oil pallet
      3.2.14. Oil pump
      3.2.15. Flywheel or leading disk
      3.2.16. Back epiploon of a cranked shaft
      3.2.17. Engine fastenings
   + 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 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

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 a 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 a conducted gear wheel and a pump casing	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 pump plane	0,118 mm at most
– length of a spring of the reduktsionny valve in a free condition	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 a camshaft:
– step 1	4
– step 2	8
– step 3	11-14
Bolts of an asterisk of a camshaft	49-61
Bolt of a pulley of a cranked shaft	157-167
Bolts of a casing of a back epiploon of a cranked 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 °
Engine fastenings:
– 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 a transmission	56-80
– bolts of a pendant arm of the engine	36-51
– bolts of a final collector	16-24
– nuts of a final collector	18-28
– bolts and nuts of a heatisolating guard of a final collector	8–10
– the nuts, fixing the catalytic converter to an exhaust pipe	37-39
– bolts of a flywheel or leading disk	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 cranked shaft	8–10
– bolts of a pulley of the water pump	8–10