Universidad politecnica de baja california |
Maintenance of an Internal Combustion Engine |
By Carrillo Osuna Jose Antonio |
To keep your car in good condition, it is appropriate to do an engine maintenance, this maintenance sometimes make it very difficult, but even if you do not have any experience.
To facilitate the process, this guide you can see insimple steps how to uninstall, maintenance, assembly and installation of an internal combustion engine
Know the procedure for the uninstallation of an internal combustion engine.
Learn what type of maintenance is required for every engine component.
Know the components constituting the engine.
The first step before starting work with the motor is disconnectthe battery and drains all fluids (oil, water, etc.) To remove the oil is necessary to remove the screw located in the crankcase. To drain the water is only necessary to remove the hose that connects the radiator to the engine, it´s desirable to remove the hose located at the bottom so the water will come faster.
Once all the liquid has drained the next step is to disconnect all electrical andpneumatics connections. But you must be very careful and pay attention to the details because they are too many connections and an error on connection could influence engine operation.
1. Uninstall the radiator and the cooling fan engine, remove the intake manifold and the inlet conduit air to the head.
2. Disconnect the engine wiring (cables from spark plugs to the distributor) you shouldpay attention to the connection of these cables because each terminal of the distributor corresponds to a spark plug so that you can´t change the place, this would cause the engine not starting or having ignition problems.
3. Remove the distributor, and the head cover.
4. Remove the outer belt (Alternator, Power Steering, A / C) is not necessary to mark the place where are the pulleys,you just need it in the internal timing belt (Disassembly Step 3)
Note: In many cases (depending on car brand) remove the timing belt is a bit difficult because some components hinder, is not necessary to be fighting with these cases, so you can remove components that hinder the process of dismantling the belt.
5. Remove the screws from the hood (transmission)
6. Remove the exhaustmanifold, some times these screws may be too tight for easy removal you can use some kind of lubricant (oil, water, WD40, etc.)
7. Remove the screws that hold the flywheel to the transmission turbine (pulley attached to the crankshaft) but only one screw is visible at the bottom, to turn the flywheel are necessary remove the starter and rotate from that aperture.
8. Removing thecrankshaft pulley located on the left side of the engine, this requires that the crankshaft doesn´t rotate, a recommendation is to put some type of bar into the aperture of the starter, so that the flywheel doesn´t rotate.
9. Put necessary chains to hold the motor to the crane used to raise and lower the engine and this at the same time to the structure (commonly known ass wing)
10. Remove thescrews of the engine mounts, if it`s little hard you can raise or lower the engine.
11. Raise the engine until it can be released from car, if your structure is very high and the engine can´t be free, you can remove both wheels and lowered as much as possible the front of the car.
12. Put the engine on a work table.
1. Remove the screws holding the flywheel to thecrankshaft.
2. Removing the plastic parts which cover the side of the engine, these parts protect the timing belt.
Note: For when installing the engine and don´t have any problems finding screws you should use a special container in which you will put all screws.
3. Remove the timing belt, for this you should pay attention to the gears, if you turn the crankshaft you can see that in the gears...
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