What does an engine rebuild kit include?
Valve Cover Gasket
The valve cover gasket is the most prone to oil leaks among all engine gaskets. It is the sealing pad between the valve cover and the cylinder head. Generally, the reason for oil leaks in the valve cover gasket is the aging of rubber, leading to poor sealing. Therefore, the quality of rubber determines the comprehensive performance of the valve cover gasket.
Cylinder Gasket
The cylinder gasket is located between the cylinder head and the cylinder block. Its function is to fill the microscopic gaps between the cylinder block and the cylinder head. The commonly used types include asbestos cylinder gaskets and metal cylinder gaskets.
Intake Gasket
The engine intake system connects to the outside air, which is cold. Therefore, the intake gasket is made of rubber material, and under normal circumstances, it does not easily leak air.
Exhaust Gasket
The exhaust temperature of the engine is particularly high, so the exhaust manifold gasket is no longer made of rubber. Its material is heat-resistant asbestos, with a metal surface.
Crankshaft Oil Seal
The crankshaft oil seal is installed at the front end of the crankshaft with a timing gear and at the rear end with a flywheel. Since the flywheel is fixed with screws and the timing gear is fitted over the crankshaft, the front oil seal is smaller, and the rear oil seal is larger.
Valve Stem Seal
The valve stem seal is used to seal the engine valve guide. The function of the valve stem seal is to prevent engine oil from entering the intake and exhaust pipes, causing oil loss, preventing the leakage of the gasoline and air mixture as well as exhaust gases, and preventing engine oil from entering the combustion chamber. The valve stem seal is in contact with gasoline and engine oil at high temperatures, so it requires materials with excellent heat and oil resistance, generally made of fluoroelastomer.
Gaskets
Engine gaskets are mainly used at the connections of engine iron water pipes, oil pipe connections, and timing covers to provide sealing. They are mainly made of asbestos and asbestos with metal attachments.
Rubber Parts and O-Rings
Rubber parts and O-rings are mainly used for sealing the waterways and oilways of the engine body. They also include intake manifold seals, thermostat seals, etc., made of rubber material, effectively providing sealing for the engine. Circular gaskets are made of metal and are mainly used inside the exhaust system.
Why do car engines need major repairs?
The main reasons for engine major repairs are as follows:
1. Reduced power and efficiency; for example, the vehicle drives weakly, engine oil consumption is too high, and gasoline consumption is too high;
2. Abnormal engine noise; for example, abnormal sounds from piston pins and connecting rod bearings;
In summary, engines must be well cared for and regularly maintained at qualified service shops to reduce trouble and extend the engine’s service life.
Cale Parts automotive overhaul kits are produced strictly according to international standards, achieving original factory quality, with good materials, corrosion resistance, strong sealing, and durability. Each product component has achieved a high level of craftsmanship, and the cooperation between components has reached a precise level, providing strong safety protection for the engine.
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