Mazda 626
+ 1. Maintenance instruction
+ 2. Maintenance
- 3. Engines
- 3.1. Petrol engines (1,6 and 1,8 liters)
3.1.1. Introduction
3.1.2. Technical characteristics
3.1.3. Recommendations about repair
3.1.4. Top dead point
3.1.5. Cover of valves
3.1.6. Inlet collector
3.1.7. Final collector
3.1.8. Gas-distributing belt and asterisks
3.1.9. Camshaft epiploons
3.1.10. Yokes and distributive shaft
3.1.11. Springs of valves, fastenings and laying
3.1.12. Head of cylinders
3.1.13. Oil pallet
3.1.14. Forward cover
3.1.15. Oil pump
3.1.16. Forward epiploon of a bent shaft
3.1.17. Flywheel
3.1.18. Back epiploon of a bent shaft
3.1.19. Fastenings of the engine
+ 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)
+ 3.6. 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
|
| Gas-distributing belt
|
| Length of a spring of a natyazhitel in a free state: |
| – 1,6 l |
64,0 mm
|
| – 1,8 l: |
| • model 1991-1994 of years of release |
58,8 mm
|
| • 1995 and later |
59,2 mm
|
| Deviation of a gas-distributing belt: |
| – 1,6 l |
11,0 – 13,0 mm
|
| – 1,8 l |
9,0 – 11,5 mm
|
| Valves
|
| Length of springs of valves in a free state: |
| – models of 1,6 l: |
| • springs of inlet valves |
at least 39,0 mm
|
| • springs of final valves |
at least 38,0 mm
|
| – models of 1,8 l |
at least 39,5 mm
|
| Gap between a rod of the valve and the directing plug |
at most 0,20 mm
|
| Yokes and axis of yokes (SOHC engines)
|
| 1,6 l (8 valves): |
| – diameter of an axis of yokes |
at least 17,959 mm
|
| – daslyany gap |
at most 0,10 mm
|
| – diameter of an opening of a yoke |
at most 18,000 mm
|
| 1,6 l (16 valves): |
| – diameter of an axis of yokes |
at least 18,959 mm
|
| – oil gap |
at most 0,10 mm
|
| – diameter of an opening of a yoke |
at most 19,000 mm
|
| Camshaft
|
| 1,6 l (8 valves): |
| – cam height |
at least 35,251 mm
|
| – diameter of bearings: |
| • forward and back bearings (1 and 5) |
at least 43,440 mm
|
| • pentralny bearings (2, 3 and 4) |
at least 43, 410 mm
|
| – ovality |
at most 0,05 mm
|
| – oil gap |
at most 0,15 mm
|
| – free wheeling |
at most 0,20 mm
|
| 1,6 l (16 valves): |
| – cam height: |
| • inlet valve |
at least 35,629 mm
|
| • final valve |
at least 35,459 mm
|
| – diameter of bearings: |
| • forward and back bearings (1 and 5) |
at least 43,440 mm
|
| • bearings 2 and 4 |
at least 43,425 mm
|
| • central bearing (3) |
at least 43,410
|
| – ovality |
at most 0,05 mm
|
| – oil gap |
at most 0,15 mm
|
| – free wheeling |
at most 0,15 mm
|
| 1,8 l: |
| – cam height: |
| • inlet valve |
at least 43,894 mm
|
| • final valve |
at least 44,400 mm
|
| – diameter of bearings |
25,940 mm
|
| – ovality |
at most 0,05 mm
|
| – oil gap |
at most 0,015 mm
|
| – wear of a shaft |
at most 0,03 mm
|
| – free wheeling |
at most 0,20 mm
|
| Oil pump
|
| Gap between the conducted cogwheel and a casing of the pump |
at most 0,20 mm
|
| Gap between an external cogwheel and the case |
at most 0,22 mm
|
| Gap between the plane of cogwheels and the plane of a casing of the pump |
at most 0,14 mm
|
| Length of a spring of the reducing valve |
at least 45,5 mm
|
| Gaps of valves: |
| – 1,6 and 1,8 l engine |
Hydraulic adjustment
|
Moments of an inhaling, N. of m.
| Bolts of covers of bearings of the camshaft (1,8 l) |
11 – 14
|
| Bolts of an intermediate pulley: |
| – 1,6 l |
19 – 26
|
| – 1,8 l |
37 – 25
|
| Camshaft epiploon casing bolts (1,8 l) |
8 – 11
|
| Camshaft asterisk bolt |
49 – 61
|
| Bolt of a persistent plate of the camshaft (1,6 l, 8 valves) |
8 – 11
|
| Bolts of a pulley of a bent shaft |
12 – 18
|
| Bolt of an asterisk of a bent shaft |
157-167
|
| Bolts of a head of cylinders: |
| – 1,6 l and 1,8 l |
76 – 81
|
| Bolts of a final collector: |
| – 1,6 l |
16 – 23
|
| – 1,8 l |
38 – 46
|
| Bolts of the heat-insulating screen of a final collector |
8 – 11
|
| Bolts of an arm of an exhaust pipe |
37 – 52
|
| Flywheel cover bolts: |
| – 1,6 l |
37 – 52
|
| – 1,8 l |
65 – 88
|
| Flywheel bolts |
96 – 103
|
| Bolts of a forward cover |
19 – 16
|
| Bolts of an inlet collector |
19 – 16
|
| Bolts of the block of covers of radical bearings |
16 – 20
|
| Bolts of the oil pump |
19 – 16
|
| Bolts of a cover of the oil pump |
6 – 9
|
| Bolts of a maslozaborny branch pipe |
8 – 11
|
| Screws of a back cover |
8 – 11
|
| Bolts of an axis of yokes (1,6 l) |
22 – 28
|
| Bolts of the oil pallet |
8 – 11
|
| Bolts of the oil pallet (model with the separate pallet) |
37 – 52
|
| Bolt of a pulley of a natyazhitel: |
| – 1,6 l |
19 – 16
|
| – 1,8 l |
38 – 52
|
| Bolts of a cover of a gas-distributing belt |
8 – 11
|
| Bolts of an intermediate pulley of a gas-distributing belt: |
| – 1,6 l |
19 – 16
|
| – 1,8 l |
38 – 52
|
| Bolts of a cover of valves: |
| – 1,6 l |
5 – 7
|
| – 1,8 l: |
| • two bolts in a back part of a cover |
8 – 11
|
| • screws in the top part of a cover |
5 – 7
|
| • the bolts fixing a pulley of the water pump |
8 – 11
|
|
|
