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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)
Gasoline 4-cylinder engine (2 liters)
Gasoline engine V6 (2,5 liters)
A partition of engines (1,6 and 1,8 liters)
Introduction
Specifications
Repair work without dismantle of the engine from the vehicle
Engine Overhaul
Check Engine
Removing and installing engine
Preparation for a partition
ENGINE OVERHAUL
A partition and check of a head of cylinders
Valve Repair
Assembling the cylinder head
Removal of pistons and rods
Removing the crankshaft
Check and clean the cylinder
Honing cylinders
Check of pistons and rods
Checking crankshaft
Check of radical bearings and bearings of rods
The order of assembly of the engine
Installation of the piston rings
Installing the crankshaft
Installing the crankshaft rear oil seal
Installation of pistons and rods
Start the engine after repair and running
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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Honing cylinders



PERFORMANCE ORDER
1. Thoroughly clean cylinder block, once again, make sure that the collar on the top edge of the cylinder is completely removed.
2. Visually check for cracks on the block and corrosion. Repair stripped threads in the holes. Highly recommended to check the tightness of the cylinder in the workshops of car-care center, which has proper equipment. If you find defects, repair or replace the unit.
3. Check for scratches and scuffing on the inner surface of the cylinder.
4. Measure the inner diameter of the cylinder in the upper (right under the collar), the middle and lower parts parallel to the axis of the crankshaft. Then take measurements at the same levels, but in a direction perpendicular to the axis of the crankshaft. Compare the results of the measurement with the values listed in the manual. If the surface of the cylinder has strong scuffs and scratches, or roundness and taper of the cylinder exceeds the limit, the unit must be put into a workshop for boring and honningovaniya. After repairs needed pistons and rings of the repair sizes.
5. If the condition of the cylinders acceptable wear of the cylinder and the gap between the cylinder and the piston do not exceed the established norms, the bore is not required. The only thing we need is honningovanie.
6. Before honningovaniem install main bearing caps of the crankshaft (without bearings), tighten the bolts to the specified torque.
7. honningovaniya need a special device finely divided grinding heads, a large quantity of oil, rags and an electric drill. Hold the device in an electric drill, fix grinding heads and enter the device in the first cylinder. Well lubricate the cylinder oil, electric switch and moves it up and down in the cylinder.
8. In this case, on the surface of the cylinder wall has a structure of fine lines intersecting at an angle of about 60 ?�.
9. All time plentifully grease the surface of the cylinder. During rotation, do not remove the device. After turning off the drills continue to move it up and down until it stops, then tighten the legs fit with grinding heads and get out of the cylinder. Wipe the oil from the cylinder and repeat the operation on the other cylinders. If the device is not available or do not want to independently perform honningovanie, then this operation can be performed in the workshop at a reasonable cost. Satisfactory results are obtained using fitted on electric sanding disc, or even when performing manual cloth.
10. After the honningovaniya chamfer with the upper edges of the cylinder small needle files to prevent jamming of piston rings during installation.
11. The entire unit is again necessary to rinse with warm water and detergent to remove residual abrasive from honningovaniya. Clean all channels and rinse under running water. After washing, dry the cylinder block and lubricate the spindle oil all machined surfaces. Prior to the assembly of the unit is stored under the plastic cover.




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Check of pistons and rods

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