Oil control valve.
Where is the oil relief valve for MAXUS G10?
The MAXUS G10's oil relief valve is typically located on the engine block. To find the exact oil relief valve, follow the oil passage near the oil filter and oil pump. This location information is critical to understanding the operation and maintenance of the oil system, especially when performing oil pressure-related maintenance and repair work, where correct positioning ensures efficiency and safety 1.
Oil control valve is also called OCV valve, mainly by the valve body (including electromagnetic coil, control module connector), slide valve, reset spring and so on.
Oil control valve working principle: The working power supply of the solenoid coil of the oil control valve is provided by the main relay controlled by the engine control unit. The engine control unit uses pulse modulation signal to control the electromagnetic coil of the oil control valve after grounding and energizing to generate a magnetic field to control the action of the spool, so as to continuously change the timing relationship between the crankshaft and the camshaft, so that the engine can get the best valve phase under different operating conditions. Realize the control of the valve phase.
The function of the oil control valve: Optimal valve phase through the regulation of the oil control valve helps to increase engine efficiency, improve idle stability and provide greater torque and power, while helping to improve fuel economy and reduce hydrocarbon and nitrogen oxide emissions.
The main symptoms of oil pressure control valve failure
The vehicle may suddenly turn off during driving : this is due to the oil control valve can not adjust the oil pressure normally, resulting in insufficient engine lubrication.
abnormal oil pressure : if the oil pressure is too high, it will lead to too thick mixture, black smoke from the exhaust pipe, and the vehicle power is insufficient.
increased fuel consumption : Because the oil pressure regulating valve can not control the oil pressure normally, resulting in the injector in the same injection time injection more oil, thereby increasing fuel consumption.
Other related symptoms
abnormal oil pressure : the oil pressure may be too high or too low, affecting the normal operation of the engine.
unstable idle speed : Damage to the oil pressure regulating valve may cause unstable idle speed.
Black smoke from the exhaust : If the oil pressure regulating valve is damaged, the mixture will be too thick and black smoke will be emitted from the exhaust pipe.
insufficient engine power : damage to the oil pressure regulating valve will affect the power performance of the engine, resulting in insufficient power.
high fuel consumption : oil pressure regulating valve damage will lead to high fuel consumption.
Does the oil pressure control valve need cleaning?
Requires
Oil oil pressure control valve needs to be cleaned. When the spring of the pressure limiting valve is too soft or broken, there are impurities stuck in the valve, and the oil pressure will be too low if the spring or valve (steel ball) is not installed during maintenance; If the spring pressure is too large or the valve cannot be opened due to dirty plugging, the oil pressure will be too high. Therefore, the service inspection needs to clean the valve assembly and check the sliding flexibility of the plunger or ball and the elasticity of the spring.
Frequency and necessity of cleaning: Cleaning the oil circuit is an essential maintenance project, but it is not necessary to do every maintenance. Frequent cleaning of the oil circuit will cause great damage to the three-way catalytic converter. The normal cleaning frequency should be 30,000-40,000 km/time, and increase or decrease according to road conditions and vehicle conditions. Oil circuit cleaning is not necessary, but if the oil pressure is low, replace the oil filter.
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