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)
   - 3.3. Petrol V6 engine (2,5 liters)
      3.3.1. Introduction
      3.3.2. Technical characteristics
      3.3.3. Recommendations about repair
      3.3.4. Top dead point of the first piston
      3.3.5. Covers of heads of cylinders
      3.3.6. Springs, clamps and epiploons of valves
      3.3.7. Gas-distributing belt and asterisks
      3.3.8. Camshafts and pushers
      3.3.9. Inlet collector
      3.3.10. Final collectors
      3.3.11. Heads of cylinders
      3.3.12. Forward epiploon of a cranked shaft
      3.3.13. Oil pallet
      3.3.14. Oil pump
      3.3.15. Flywheel or leading disk
      3.3.16. Back epiploon of a cranked shaft
      3.3.17. Engine fastenings
   + 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



3.3.2. Technical characteristics

GENERAL INFORMATION

The general

Diameter of the cylinder
83 mm
Piston stroke
73 mm
Volume
2,5 liters

Numbering of cylinders (from a gas-distributing belt to a transmission):

  – back row

1–3–5
  – forward row
2–4–6

Sequence of operation of cylinders

1–2–3–4–5–6

Numbering of cylinders and arrangement of contacts of a cover of the distributor of ignition and contacts of the coil of ignition


Forward part of the car
Oil pump:

  – a gap between a conducted gear wheel and a pump casing

0,218 mm at most
  – a gap between a teeth of gear wheels
0,195 mm at most
  – a gap between the plane of gear wheels and the plane of a casing of the pump
0,128 mm at most
  – length of a spring of the reduktsionny valve
46,050 mm

Moments of an inhaling, N of m.

Bolts of an arm of the compressor of the air conditioner
38-52
Bolts and nuts of an inlet collector
19-25
Bolts and nuts of a final collector
19-25
Bolts of a heatisolating guard of a final collector
8–10

Bolt of the shock-absorber of a cranked shaft

157-165
Bolts of a cover of a gas-distributing belt
8–10

Bolts of an intermediate pulley

37-52

Bolt of a natyazhitel of a gas-distributing belt

37-43
Bolts of the lever of a natyazhitel of a gas-distributing belt
19-25

Bolts of asterisks of camshafts

122-140

Bolts of covers of bearings of camshafts

11-13

Bolts of a head of cylinders:

  – step 1
17-19
  – step 2
Tighten for 90 °

  – step 3

Tighten for 90 °
Bolts of the oil pallet:
  – long bolts
19-25
  – short bolts
8–10
  – bolts of a dividing partition of the oil pallet
19-25

  – bolts of the oil pump

19-25
  – bolts of a maslozaborny branch pipe
8–10

  – flywheel or leader bolts диска*

61-66

  – nuts of a cover of a head of cylinders

5–8
Support двигателя*:

  – right support:

     • nuts
73-103
     • through bolt
68-92
  – forward support:

     • nuts

75-104
     • through bolt
85-117
  – back support:

     • nuts

68-92
     • through bolt
85-117

  – left support:

     • nuts

68-92
     • through bolt
68-92
  – bottom support:

     • nuts

43-60
     • bolts
56-80

* Before installation grease carvings with pressurizing structure.