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The cylinder gasket is the seal between the top surface of the block and the bottom surface of the cylinder head. Its function is to keep the cylinder seal airtight, and keep the coolant and engine oil flowing from the body to the cylinder head from leaking.
The valve cylinder head is usually called the valve chamber cover. The function of the valve chamber cover is to seal the parts such as the valve mechanism to prevent dust from contaminating the engine oil or dust from entering to accelerate the wear of the parts of the valve mechanism.
Auxiliary accessories, mattresses, glue, oil seals that must be replaced in major overhaul
1, The function of crankshaft belt pulley is to drive water pump, generator, air conditioning pump to work. Water pump is to ensure the normal operation of the engine, and dissipate heat. Generator is to charge the battery, ensuring the normal operation of the car circuit. Air conditioning pump is a compressor, used for air conditioning system; 2. The crankshaft belt disk is the power source to drive other engine accessories. It depends on the transmission belt to drive the generator, pump, booster pump, compressor and so on. 3. The crankshaft pulley was originally used to drive the camshaft, and the timing belt was used to connect the camshaft.
Thrust bearing, as a kind of engine sliding bearing, mainly plays the role of crankshaft axial support in the engine, to ensure the axial rotation of the crankshaft at the same time, to prevent the crankshaft axial displacement.
The function of the crankshaft bearing is to fix the crankshaft and to adjust the gap between crankshaft and cylinder block
The role of vvt solenoid valve is according to the operation of the engine, adjust the intake (exhaust) amount, and valve opening and closing time, Angle, so that the amount of air into the best, improve the combustion efficiency of the electromagnetic valve
The valve chamber cushion is between the valve chamber cover and the engine cover, which mainly has the function of sealing and preventing oil leakage
The valve chamber cushion is between the valve chamber cover and the engine cover, which mainly has the function of sealing and preventing oil leakage