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REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Mazda 626 (from 1991 to 1998, the year of issue)

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Mazda 626
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Mazda
626
Instructions
Maintenance
Engines
Petrol engines (1,6 and 1,8 liters)
Introduction
Specifications
Recommendations for repair
The top dead point
Valve Cover
Intake manifold
An exhaust manifold
Gas distribution belt and sprocket
Seals camshaft
And a control rocker (e) of shaft (s)
Valve springs, fasteners and gaskets
Cylinder head
Sump
Front Cover
Oil pump
Front crankshaft oil seal
Flywheel
Crankshaft rear oil seal
Engine Mounts
Gasoline 4-cylinder engine (2 liters)
Gasoline engine V6 (2,5 liters)
A partition of engines (1,6 and 1,8 liters)
Bulkhead engine (2.0 liters and 2.5 V6)
The diesel engine of 2.0 liters
Systems of an electric motor
Heating and ventilation
Fuel system
An exhaust system
Transmissions
Coupling and semiaxes
The brake system
Chassis
Body
Electrical
Wiring
Tips and Tricks
 


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Specifications



Gas distribution belt
The length of the tensioner spring in a free state:
- 1.6 liter
64.0 mm
- 1.8 liters:
??? 1991-1994 model years of release
58.8 mm
??? 1995 and later
59.2 mm
Deviation timing belt:
- 1.6 liter
11.0 - 13.0 mm
- 1.8 L
9.0 - 11.5 mm
Valves
The length of the valve spring in a free state:
- 1.6-liter model:
??? spring intake valves
at least 39.0 mm
??? spring exhaust valves
at least 38.0 mm
- 1.8-liter models
at least 39.5 mm
The clearance between the valve stem and guide sleeve
maximum 0,20 mm
Rocker arm and the rocker arm shaft (engines SOHC)
1.6 liters (8 valves):
- The diameter of the rocker arm shaft
at least 17.959 mm
- Daslyany clearance
maximum 0.10 mm
- The diameter of the holes of the rocker
a maximum of 18,000 mm
1.6 l (16 valves)
- The diameter of the rocker arm shaft
at least 18.959 mm
- Oil clearance
maximum 0.10 mm
- The diameter of the holes of the rocker
a maximum of 19,000 mm
Camshaft
1.6 liters (8 valves):
- The height of the cam
at least 35.251 mm
- The diameter of the bearing:
??? front and rear bearings (1 and 5)
at least 43.440 mm
??? pentralnye bearings (2, 3 and 4)
at least 43 410 mm
- Roundness
maximum 0.05 mm
- Oil clearance
maximum 0.15 mm
- Free lift
maximum 0,20 mm
1.6 l (16 valves)
- The height of the cam:
??? intake valve
at least 35.629 mm
??? the exhaust valve
at least 35.459 mm
- The diameter of the bearing:
??? front and rear bearings (1 and 5)
at least 43.440 mm
??? bearing 2 and 4
at least 43.425 mm
??? the central bearing (3)
at least 43.410
- Roundness
maximum 0.05 mm
- Oil clearance
maximum 0.15 mm
- Free lift
maximum 0.15 mm
1.8 l:
- The height of the cam:
??? intake valve
at least 43.894 mm
??? the exhaust valve
at least 44,400 mm
- Diameter bearings
25.940 mm
- Roundness
maximum 0.05 mm
- Oil clearance
maximum 0.015 mm
- Shaft wear
maximum 0.03 mm
- Free lift
maximum 0,20 mm
Oil pump
The clearance between the driven gear and the pump housing
maximum 0,20 mm
The clearance between the external gear and the housing
maximum 0.22 mm
The gap between the plane and the plane of the gears of the pump housing
a maximum of 0.14 mm
The length of the spring relief valve
at least 45.5 mm
Valve clearances:
- Engine capacity of 1.6 liters and 1.8
Hydraulic adjustment

Torques Nm

Bolts of covers of bearings of a camshaft (1,8)
11 - 14
Bolts intermediate pulley:
- 1.6 liter
19 - 26
- 1.8 L
37 - 25
Bolts camshaft oil seal housing (1,8)
8 - 11
Bolt camshaft sprocket
49 - 61
Bolt persistent plate of a camshaft (1.6 L, 8 valve)
8 - 11
The crankshaft pulley bolt
12 - 18
Bolt crankshaft sprocket
157-167
Bolts cylinder head:
- 1.6 liters and 1.8 liters
76 - 81
Bolts of the exhaust manifold:
- 1.6 liter
16 - 23
- 1.8 L
38 - 46
Bolts insulating screen exhaust manifold
8 - 11
Bolts of an exhaust pipe bracket
37 - 52
Bolts flywheel cover:
- 1.6 liter
37 - 52
- 1.8 L
65 - 88
Bolts flywheel
96 - 103
Screws Front Cover
19 - 16
Intake manifold bolts
19 - 16
Bolts block main bearing caps
16 - 20
Bolts of the oil pump
19 - 16
Bolts of a cover of the oil pump
6 - 9
Bolts maslozabornogo pipe
8 - 11
Screw the back cover
8 - 11
Bolts of the rocker shafts (1,6)
22 - 28
Bolts of the oil pallet
8 - 11
Bolts of the oil pallet (models with a separate tray)
37 - 52
Bolt tensioner pulley:
- 1.6 liter
19 - 16
- 1.8 L
38 - 52
Timing belt cover bolts
8 - 11
Bolts intermediate timing belt pulley:
- 1.6 liter
19 - 16
- 1.8 L
38 - 52
Bolts valve covers:
- 1.6 liter
5 - 7
- 1.8 liters:
??? two screws in the rear cover
8 - 11
??? screws into the top of the cap
5 - 7
??? bolts securing the water pump pulley
8 - 11




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