What are the lubrication methods for an engine?

1 Answers
VonIker
07/30/25 12:15am
Engine lubrication methods mainly include: 1. Splash Lubrication: A method that utilizes oil droplets splashed by rotating components like the crankshaft and camshaft during engine operation, or sprayed from oil holes on the connecting rod big end, to lubricate friction surfaces. It primarily lubricates the cylinder walls, cams, piston pins, etc. 2. Periodic Lubrication: This involves using grease applied at regular intervals for lubrication. It mainly lubricates components such as the generator, starter motor, and water pump bearings. 3. Pressure Lubrication: This method uses an oil pump to deliver lubricating oil under pressure to the friction surfaces of components, forming an oil film of certain thickness capable of withstanding mechanical loads to ensure reliable lubrication. It primarily serves high-speed and heavily loaded engine components.
Was this review help?
13
0
Share
More Forum Discussions

Will the car battery die if the car is not used for 20 days?

If the battery is fully charged and the car is in good condition before parking, it is acceptable not to use the car for 20 days. However, if the car is in poor condition and the battery is not fully charged, the battery may die after being parked for 20 days. Generally, if the car is not used for half a month, the battery may still have some power, but the voltage will have dropped, making it difficult to start. If the car is parked for more than three months, the battery will almost completely discharge. When parking the car, it is best to start it once a week to recharge the battery. Car batteries have a self-discharge characteristic. Even if the car is not used and parked, the battery will gradually discharge. Typically, a battery can fully discharge in three months. If the car is not used for an extended period, it is advisable to disconnect the battery. Some electrical components in the car do not stop working even when the engine is off, which over time can lead to battery depletion and even irreversible damage, significantly reducing the battery's lifespan. Precautions for long-term car parking include: It is best to store the car in a garage. If parked outdoors, cover the car with a car cover if possible, or at least park it in a shaded or covered area to avoid exposure to sunlight, rain, and damage from debris like fallen leaves to the car's paint. Do not engage the handbrake for long-term parking. For vehicles parked for extended periods, the brake system, being idle for a long time, can easily react chemically with water vapor and oxygen in the air, along with rainwater erosion. This can cause the brake discs and pads to rust to varying degrees, potentially leading to the wheels locking up if they stick together.
3
4
Share

Can You Still Drive with a Broken Turbocharger Intake Pipe?

It is possible to drive a car with a broken turbocharger intake pipe, but the turbocharger will no longer function properly, so it is advisable to visit a 4S shop for repairs as soon as possible. Below are specific details about automotive turbochargers: 1. Definition: Turbocharging is a technology used in engines to increase the amount of air entering the engine while improving engine displacement. 2. Components: A turbocharger consists of two parts: a compression turbine and an exhaust turbine. 3. Maintenance: Turbochargers do not require regular cleaning, but if you wish to clean them, doing so once a year is sufficient. There are two methods for cleaning a turbocharger: one is called wet cleaning, and the other is dry cleaning. Wet cleaning requires more time for drying, so it is recommended to opt for dry cleaning for convenience if cleaning is desired.
6
5
Share

Location of Santana Pedals?

The Volkswagen Santana uses a suspended accelerator pedal. 1. Compared to floor-mounted pedals, suspended accelerator pedals only provide a fulcrum for the forefoot, leading to stiffer calf muscles during prolonged driving. This is why many people complain that suspended pedals cause fatigue over time. Additionally, they offer less control precision than floor-mounted pedals and make heel-and-toe maneuvers less convenient. 2. Both floor-mounted and suspended accelerator pedals serve as signal acquisition sources. Since the large-scale electronic revolution in automobiles began in the late 1980s, accelerator pedals have shifted from traditional cable control to electronic signal acquisition. This change has freed pedal design from cable layout constraints, allowing automakers to focus on matching the right pedal type to each vehicle model and optimizing driving comfort.
20
2
Share

What engine does the Trumpchi Shadow Leopard use?

The engine model used in the Trumpchi Shadow Leopard is the 4A15J2, with a maximum horsepower of 177 hp, a maximum power of 130 KW, a maximum power speed of 5500 rpm, and a maximum torque of 270 Nm. The Trumpchi Shadow Leopard's engine is from the GAC Trumpchi brand, an independently developed engine expansion, produced at the Yichang factory. Daily maintenance for the Trumpchi Shadow Leopard's engine can be performed using the following methods: Use lubricating oil of appropriate quality grade. For gasoline engines, select SD--SF grade gasoline engine oil based on the additional devices of the intake and exhaust system and usage conditions; for diesel engines, choose CB--CD grade diesel engine oil according to mechanical load, with the selection standard not lower than the manufacturer's requirements. Regularly change the oil and filter. The quality of any grade of lubricating oil will change during use. After a certain mileage, performance deteriorates, leading to various engine problems. To avoid faults, change the oil regularly according to usage conditions and maintain an appropriate oil level. When oil passes through the fine holes of the filter, solid particles and viscous substances in the oil accumulate in the filter. If the filter is blocked and oil cannot pass through the filter element, it may rupture the filter element or open the safety valve, allowing oil to bypass and carry contaminants back to the lubrication area, accelerating engine wear and increasing internal pollution. Regularly clean the crankcase. During engine operation, high-pressure unburned gases, acids, moisture, sulfur, and nitrogen oxides from the combustion chamber enter the crankcase through the gap between the piston rings and cylinder walls, mixing with metal powder from part wear to form sludge. A small amount remains suspended in the oil, while a large amount precipitates, clogging filters and oil passages, causing lubrication difficulties and wear. Regularly use radiator cleaner to clean the radiator. Removing rust and scale not only ensures the engine operates normally but also extends the overall lifespan of the radiator and engine.
3
4
Share

How many subjects are required to obtain a C1 driver's license now?

Currently, obtaining a C1 driver's license requires passing 4 subjects, which include two theoretical subjects and two practical operation subjects. Below is the relevant introduction about the C1 driver's license examination: 1. Subject 1: Road traffic safety laws, regulations, and related knowledge examination. The structure of the examination question bank and the basic question types are formulated by the Ministry of Public Security, and the traffic management departments of provincial public security authorities establish the examination question bank for their respective provinces (autonomous regions, municipalities) based on local actual conditions. 2. Subject 2: Field driving skills examination, which includes test items such as reversing into a garage, stopping and starting on a slope, turning at a right angle, driving along a curve, and parallel parking. 3. Subject 3: Road driving skills examination. 4. Subject 4: Safe and civilized driving knowledge, with test items covering related knowledge of safe and civilized driving.
12
2
Share

Which model is the Volkswagen FV7187FBDBG?

Volkswagen FV7187FBDBG is the Volkswagen Magotan 1.8TSI DSG Luxury (Facelift) 2015 model. The Volkswagen Magotan originates from the Future B6, which is closely related to the Passat B6, and it is the first B-segment sedan produced and sold by FAW-Volkswagen since its establishment. According to FAW-Volkswagen, "Ma" symbolizes confidence, decisiveness, and dynamism, while "Gotan" represents soaring, surpassing, and passion. Below is an introduction to the Volkswagen Magotan: 1. Power Performance: The 1.8TSI engine in the Magotan is the latest generation engine from Volkswagen, incorporating the most advanced engine technology internationally and leading the development trend of gasoline engines. The new 1.8TSI engine combines turbocharging technology with direct gasoline injection, enabling it to deliver greater power and superior torque characteristics. It can continuously achieve a maximum rated output of 118 kW within the speed range of 5000 rpm to 6200 rpm. Compared to traditional 2.4L naturally aspirated engines, its powerful performance advantages are even more prominent. 2. Comfortable Driving Experience: The 6-speed Tiptronic automatic/manual transmission, which forms a perfect match with the 1.8TSI engine, allows Magotan owners to enjoy the ease of an automatic transmission while also experiencing the fun of manual shifting. The 6-speed Tiptronic transmission performs exceptionally smoothly during gear shifts and acceleration, complemented by the robust power output of the 1.8TSI engine, making the Magotan 1.8TSI respond swiftly and sensitively during instant acceleration with exceptionally abundant power. The agile and smooth transmission system, intelligent EPS electronic speed-sensitive power steering, combined with excellent chassis technology, responsive braking system, and ample power, create a stable and comfortable driving experience for the Magotan 1.8TSI.
10
4
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.