How do I remove the engine from the whole vehicle?

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Wipe down the area where you used to have a steel stamp on the engine, apply a thin layer of red ink, and then stick it off with wide tape.

Because the engine number is marked, so the height is different, so use this method to stick the adhesive tape on the place where the engine you bought is stamped. Polished the old steel stamp in advance, and then the steel stamp was bought as big as it was, and it was marked according to the number on the tape, and 90% of the old orange questions were not answered.

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The clear disassembly step of the engine should be carried out in the order of machine, component, component, assembly and part: the engine is placed upright. Remove the set screws of the cylinder head.

Note that the screws are loosened crosswise from both ends to the middle, removing the screws in three steps. Lift the cylinder head downward, remove the cylinder head gasket and pay attention to the installation direction of the cylinder head gasket. Unscrew the drain screw of the oil pan and drain the oil from the oil pan.

Turn over the motor, remove the oil pan fixing screws (note that the screws should also be loosened from both ends to the middle), remove the oil pan and oil pan gasket. Loosen the primary oil filter retention screws and remove the oil filter, oil pump sprocket, and oil pump. The second step is to disassemble the engine piston connecting rod assembly

Turn the crankshaft to turn the engine. 1.The piston of cylinder 4 is positioned at bottom dead center.

Dismantling 1. Remove the fastening nut of the 4-cylinder connecting rod, remove the connecting rod bearing cover, pay attention to the mating mark of the connecting rod, and place it in order. Gently push out the piston linkage assembly with a hammer.

1.For a 4-cylinder piston-linkage assembly, clamp the piston-linkage assembly by hand at the cylinder outlet and pay attention to the mounting direction of the piston. Replace the connecting rod bearing covers, connecting rod bolts and nuts in their original positions.

The connecting rods of different cylinders are not interchangeable. Disassembly method: cylinder piston connecting rod assembly. During the disassembly process, take care to check the assembly markings to ensure that they can be the same as when they were reassembled.

When disassembling various threaded joints, they should be disassembled in a professional lead arrest symmetrical order to ensure the complete disassembly of threaded joints.

Steps to remove the engine: 1. Remove the battery cable to avoid accidental damage to the electrical equipment; 2. Adjust the air conditioner switch to the warm windshield to ensure that the coolant can be completely discharged; 3. Open the radiator cover and coolant barrel cover, and remove the hose of the large circulation interface of the water pump; 4. The connecting plug of the double temperature switch of the radiator and the electric fan under the cherry blossom; 5. Remove the front hood and baffle of the engine, first loosen the six nuts that fix the cover plate of the front auspicious difference cover and the two fixing bolts on the left and right of the radiator, remove the front bumper, loosen the four hexagonal fixing nuts in front of the front cover, and remove the front cover; 6. Unplug the wiring plugs of the generator and air conditioning compressor, and remove the radiator of the Nianyancong at the same time; 7. Remove the oil inlet pipe on the gasoline pump; 8. Remove the air filter and the deflector above the carburetor, and seal the upper mouth of the carburetor with a film; 9. Unplug the coolant hose on the carburetor and the coolant hose connected to the generator and the heater; 10. Loosen the cover plate of the rear bracket of the engine and remove the exhaust pipe.

Disassemble the engine in the order of machine, assembly, component, assembly and parts. When disassembling, pay attention to proofreading the assembly marks to ensure the original assembly. When disassembling various threaded joints, the complete disassembly of threaded joints can only be guaranteed by disassembling them in a professional symmetrical order.

Disassembly of engine block components.

1.Place the engine vertically.

2.Remove the set screws of the cylinder head. Note that the screws should be loosened crosswise from both ends to the middle, and the screws should be removed in three steps.

3.Lift the cylinder head, remove the cylinder head gasket, and pay attention to the mounting direction of the cylinder head gasket. Songsheng opens the oil drain screws of the oil pan and drains the oil from the oil pan.

4.Turn over the motor, remove the oil pan fixing screws (note that the screws should also be loosened from both ends to the middle), remove the oil pan and oil pan gasket. Loosen the set screws of the primary filter and remove the primary reed lifting filter, oil pump sprocket, and oil pump.

Disassembly of engine piston linkage sets.

1.The crankshaft is rotated so that the pistons of the engine's 1st and 4th cylinders are at the bottom dead center. Remove the fastening nuts of the connecting rods of the 1st and 4th cylinders respectively, remove the connecting rod bearing cover, pay attention to the matching marks of the connecting rods, and place them neatly.

Gently push out the piston connecting rod assembly of the 1st and 4th cylinders with a hammer, grasp and take out the piston connecting rod assembly at the outlet of the cylinder with your hand, and pay attention to the piston installation direction.

2.Put the connecting rod bearing cover, connecting rod bolts and nuts back in place, the connecting rods of different cylinders are not interchangeable. Disassemble the piston linkage sets of cylinders 2 and 3 in the same way.