Advanced tariff classification tools

Engine disassembly parts (detailed explanation of the disassembly process of automobile engine parts) The Advanced tariff classification toolsengine of a car is its most core part. If there is a malfunction, disassembly of the engine is often the first step for repair.After removing the engine, we need to disassemble and replace its parts, which requires technology and experience. The disassembly process of the car engine will be introduced in detail below. 1. Disassemble the radiator and fan. In order to get closer to the engine, we need to remove the front radiator and fan assembly first. In this process, it is necessary to pay attention to prevent the residual coolant from splashing and injuring people. To remove the radiator, you need to remove the main radiator and the auxiliary radiator bracket first. Next, remove the fan assembly, remove the protective cover and fan fixed on the radiator, and remove the transmission parts after removing the fan. Two. Dismantling the intake pipe and exhaust pipe. In order to get close to the intake and exhaust system of the engine, we need to remove the intake pipe and exhaust pipe assembly. First, remove the intake pipe and air filter, and then remove the intake manifold. Next, it is necessary to disassemble the bracket, throttle valve and exhaust gas recycling system of the intake manifold in turn.After completing the above steps, we can start to disassemble the exhaust pipe. Before disassembling the exhaust pipe, you need to remove the oxygen sensor and mark its exhaust pipe to prevent installation errors. 3. In addition to the intake and exhaust components, there are many parts in the front that need to be disassembled. These parts include: engine brackets, oil pumps, generators, manual and automatic transmissions, crankshaft sensors, etc. Before disassembling these parts, it is necessary to remove all the connecting bolts under the parts, and pay attention to their position and method when disassembling the surrounding parts. When disassembling the oil pump, it is necessary to remove the oil pipe below it to prevent oil loss and environmental pollution. Four. After removing the cylinder head and cylinder block and completing the disassembly of the front parts, we can begin to disassemble the cylinder head and cylinder block. The cylinder block is one of the most important parts of the engine, and this process is relatively difficult.Tools and skills are very important. When disassembling the cylinder head, you need to empty the oil and coolant first, and lock the crankshaft to prevent it from turning. Then remove the camshaft cover and remove the cylinder head bolts one by one to maintain the correctness of the disassembly order. 5. After removing the crankshaft and removing the cylinder head and cylinder block, we need to remove the crankshaft. This process should be extremely careful to prevent damage from accidental impact. When disassembling the crankshaft, the cylinder head and connecting rod need to be removed first, and then the crankshaft arena and crankshaft bearing cover need to be removed with special tools. During the disassembly process, you need to pay attention to keep the crankshaft clean and keep it properly. 6. After cleaning and replacing parts to complete the above work, we need to clean the inside of the engine and remove sediment and other residues to ensure that the replaced parts have the best working environment.Then you need to check whether each part is worn or damaged. If there is any damage, it needs to be replaced in time. The replaced parts include piston, piston pin, piston ring, connecting rod, crankshaft, camshaft, valve, valve spring, etc. Generally speaking, the disassembly of automobile engine parts is a very complex process, which requires strict compliance with various safety operating procedures. It is recommended that professionals follow the manual to avoid damaging the car and engine.

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