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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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Removal of pistons and rods



PERFORMANCE ORDER
1. At the 4-cylinder engine, remove the reinforcement section (see Fig. Subsection 3.2.14).
2. Use the special tool to remove the ledge at the top of the cylinder, formed as a result of wear and deposits of combustion products. Do not try to get the piston without removing the ledge, otherwise you will damage the piston.
3. Turn the engine crankshaft up.
4. Use the stylus to measure the backlash of rods. If the gap exceeds the admissible limits, the connecting rod must be replaced. In the event, any doubt, consult a specialist.
5. If the connecting rods and covers of rods are not numbered, number them.
6. Loosen the nut covers each rod in divided doses of sex trafficking. Unscrew the nuts and remove the cover of the first connecting rod and bearing.
7. Remove the bearing and remove the rod with the piston.
8. Remove the remaining connecting rods and pistons in the same way.
9. Fold the elements of each of the pistons separately, not to mix them.




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Assembling the cylinder head
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Removing the crankshaft

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