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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
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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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Methods for removing the motor



If the decision was made to dismantle the engine for overhaul or repair of the basic knots it is necessary to spend certain preparatory measures.

It is important to mark the place where the work will be carried out. Undoubtedly, the best place is the workshop. It is important to have the equipped working platform, and also a place for car storage. If neither a workshop, nor the garage is not present, the equal smooth concrete or asphalt platform.

Flushing the engine compartment and the engine before dismantling allow to keep the tool clean and a constant working condition.

Also you need a lift or hoist. Make sure that these devices have a stock on load-carrying capacity and are capable to lift the engine with all units. Observance of security measures plays a paramount role, as lifting of the engine from the car - operation dangerous.

If the dismantling of the engine are carried out by inexperienced person, you need an assistant. Consult and ask to help the persons having experience in such works. There are many kinds of works at lifting of the engine from the engine compartment which exclude their performance by one person.

In advance plan the actions. Agree or get all the necessary tools and equipment before you start work. To some adaptations providing safety at dismantle and installation of the engine, as well as reducing labor costs include (besides the lift) the strong supports, a full set of keys and mandrels, wooden shoes, rags and solvent for cleaning of inevitable pools from the spilled liquids. If the lift is hired, agree in advance, having performed all works in which this mechanism is not needed. This will save money and time.

Keep in mind that considerable time you can not use the car. For some works inaccessible in the home due to the lack of special equipment, will have to address in car-care center workshop. These enterprises work under the schedule and expedient will consult there before engine dismantle precisely to estimate expenses of time for repair and restoration of details.

Always at engine dismantle be very attentive. Rash actions can cause serious injuries. In advance consider the actions. Do not spare the time for it, because the main thing - work without traumas.





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Removing and installing engine

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