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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)
Bulkhead engine (2.0 liters and 2.5 V6)
Introduction
Specifications
Repair work without dismantle of the engine from the vehicle
Engine Overhaul
Check with a vacuum gauge
Compression Test
Methods for removing the motor
Removing and installing engine
ENGINE OVERHAUL
A partition and check of a head of cylinders
Valves
Assembling the cylinder head
Removal of pistons and rods
Removing the crankshaft
Checking cylinder
Honing cylinders
Check of pistons and rods
Checking crankshaft
Check and selection of radical bearings and bearings of rods
Check the camshaft and pushers
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
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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Check and selection of radical bearings and bearings of rods



Causes of wear of bearings

1. Decrease in strength of metal; scratches torn
2. incorrectly planted; bright (polished) strips
3. scratched Graz; the dirt has eaten into the surface of the bearing
4. The lack of oil; top layer was wiped
5. Excessive wear; the upper layer was wiped across the surface
6. The bearing is deformed; the top layer was wiped on a circle

Despite the fact that the partition of the old engine bearing shells are replaced with new ones, you must carefully examine old loose leaves. Inspection of the liner can identify the cause of its deterioration.

Contamination of bearings occurs due to lack of grease, dirt and other foreign particles, and corrosion of engine overload. In any case, cause damage to the bearings need to be addressed prior to the assembly of the engine.

For correct selection of loose leaves be guided by size of a lubricant backlash, which can be measured with a plastic measuring tape. If you have any problems with the selection of loose leaves address to experts.





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Check the camshaft and pushers

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