What Drives the Camshaft Through the Timing Gear?

1 Answers
BrookeFitz
07/25/25 3:03am
The camshaft is driven by gears or chains. Here is an introduction to the camshaft: 1. It is a component in a piston engine, responsible for controlling the opening and closing of the valves. 2. Its material is generally special cast iron, though forged parts are occasionally used. 3. The valve movement pattern affects the power and operational characteristics of an engine. 4. The main body of the camshaft is a cylindrical rod approximately the same length as the cylinder group. It is fitted with several cams to drive the valves. 5. The camshaft is supported within the camshaft bearing holes via camshaft journals, so the number of journals is a crucial factor affecting the support stiffness of the camshaft. Insufficient stiffness may cause bending deformation during operation, affecting the valve timing.
Was this review help?
2
4
Share
More Forum Discussions

How to Remove the Cabin Air Filter in Buick Envision?

Buick Envision cabin air filter removal method: 1. The cabin air filter in Buick Envision is located under the front passenger footwell, near the left foot position. No need to remove any trim panels or glove box. 2. The clips are extremely difficult to open by hand. You can use a flathead screwdriver to forcefully push and pull them outward. 3. Insert your fingers and forcefully pull out the old cabin air filter. Start by pulling out one corner first, then sequentially pull out the remaining corners. 4. If it's an activated carbon filter, it will be more difficult to remove - you'll need to slowly work it out. 5. Pay attention to the shape of the filter as reference when installing the new cabin air filter.
9
4
Share

Where is the best place to get a car painted?

It is best to go to a 4S shop for painting a new car, as 4S shops use computer-mixed original car paint. The following are the specific differences between painting at a 4S shop and an ordinary auto repair shop: 1. Different fillers: 4S shops generally use small cans of alloy filler, which are of better quality, higher hardness, and last longer on the car! Auto repair shops usually use large cans of ordinary filler, which is not very viscous and tends to peel off over time. 2. Different paints: Most 4S shops use paint coatings, and 4S shops use computer-mixed original car paint, which is similar to the factory paint. Most auto repair shops use repair coatings, which are not guaranteed! The effects are different—the paint quality at 4S shops is better, less prone to discoloration over time, while the paint at auto repair shops tends to discolor more easily. 3. Detail handling: 4S shops handle details more thoroughly, while auto repair shops still have a certain gap in detail handling.
6
2
Share

How long does it take to review after 3 hours of inspection education?

The review process after completing 3 hours of inspection education typically takes 1-3 days. Here are some additional details: 1. When applying for online education, please ensure to complete at least 3 hours of online learning as required. During the learning process, make sure to dress appropriately, behave civilly, and maintain a neat appearance. 2. It is recommended to study in a well-lit environment as the system may randomly capture the learner's study status. After accumulating 3 hours of study, the traffic management department will review the learning time. If the reviewed study time does not meet the 3-hour requirement, the study time will be invalidated. 3. When applying for on-site education, please choose the nearest on-site education location and bring your original valid ID card to attend on time as per the session requirements. Disruptive behavior, being late or leaving early by more than 30 minutes without reason, leaving the session for more than 15 minutes, or leaving the classroom more than twice without reason will result in cancellation of the current on-site education. If proxy learning is detected, the education qualification will be revoked, and online inspection education will be prohibited for three years.
15
4
Share

What is the name of the long plug component on top of the spark plug?

The long plug component on top of the spark plug is called the ignition cable, also known as the distributor cable, spark cable, or high-voltage ignition cable. The spark plug is mainly composed of a terminal nut, insulator, terminal stud, center electrode, side electrode, and shell. The main types of spark plugs include: standard spark plugs, projected insulator spark plugs, electrode spark plugs, seat spark plugs, pole spark plugs, and surface gap spark plugs. Spark plugs are installed on the side or top of the engine. In early designs, spark plugs were connected to the distributor via ignition cables. However, over the past decade, most car engines have been modified to connect the ignition coil directly to the spark plug. Working principle of the spark plug: The spark plug's ground electrode is connected to the metal shell, which is threaded into the engine block via the cylinder head. The insulator primarily serves to isolate the metal shell from the center electrode. The terminal nut is the part of the spark plug that contacts the high-voltage coil. When current passes through the terminal nut and the center electrode, it ionizes the medium between the center electrode and the ground electrode, generating a spark to ignite the air-fuel mixture in the cylinder.
17
4
Share

Should the Engine Be Turned Off When Refueling a Sedan?

When refueling a car, the engine should be turned off. Here are the relevant details: Gasoline is the fuel for internal combustion engines and is currently one of the most widely used light petroleum products globally. The degree of gasoline evaporation in the carburetor significantly impacts engine fuel consumption, startup, and acceleration. Gasoline possesses properties such as volatility, anti-knock quality, safety, and corrosiveness. Precautions for refueling: 1. Avoid filling the fuel tank to the brim when driving in urban areas. 2. Do not wait until the fuel warning light (yellow light) comes on before refueling. 3. Do not make phone calls or use mobile phones while refueling. 4. Open flames are strictly prohibited inside gas stations. 5. Dangerous items are not allowed to be carried. 6. Vehicles should enter the gas station at a slow speed before refueling and also exit slowly after refueling.
7
2
Share

How to Solve the Engine Exhaust Emission Malfunction Light?

Solutions for the exhaust emission malfunction light being on are as follows: 1. Start and turn off the vehicle three times in a row, or disconnect the negative terminal of the engine battery, wait for 30 seconds, and then reconnect it. After doing this, check if the engine malfunction light on the dashboard is still on. If the malfunction light remains on and the vehicle cannot start after being turned off, it is necessary to immediately call for a tow truck. If the vehicle can continue to drive but experiences severe shaking, lack of acceleration power, or other symptoms, it is recommended to stop driving. This not only prevents further damage to the engine but also ensures personal safety. 2. The exhaust emission control system indicator light will illuminate when the ignition is turned on, and it must turn off after the engine is started. If the indicator light does not turn off after starting the engine, or if it lights up or flashes while driving, it indicates that there may be unstable operation in the emission control system and the exhaust gas quality exceeds the standard.
10
1
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.