What Components Make Up the Valve Train Assembly?

1 Answers
Serenity
07/30/25 5:10am
The valve train assembly consists of: valve timing gears, camshaft and its components, rocker arm shaft and rocker arm assembly, valve pushrod, valve, cylinder head, valve seat, valve guide, valve spring, valve retainer and its components, valve adjusting screw, and other related components. Additional Information: 1. The valve train assembly includes all parts from the timing gear to those that actuate the valves. Its function is to drive the valves to open and close at the correct times. Its role is to ensure that the intake and exhaust valves open and close according to the timing specified by the valve timing, and to provide sufficient valve lift. 2. Various valve mechanisms can be divided into two main parts: the valve group and the valve train assembly. The valve group includes the valve and its associated components, and its composition is largely independent of the type of valve mechanism.
Was this review help?
4
1
Share
More Forum Discussions

What does it mean when a vehicle is not connected to the network?

Signal issues, or incompatibility between the phone and the car. Below is additional information: 1. In-vehicle network standards: Currently, there are two main types of B-class networks in use: low-speed CAN and VAN. The VAN standard was introduced by ISO in June 1994. It is based on ISO11519-3 and is primarily used by French automobile manufacturers. However, even in France, the focus for powertrain and transmission systems has shifted to the CAN bus. 2. Modern developments: A compact car navigation device capable of internet access, the "Network-type NAVIKX-GT30." This product integrates a CD-ROM drive, navigation device, and a 5.8-inch TFT LCD screen, and includes interfaces for PHS (Personal Handy-phone System) terminals and mobile phones. Through internet connectivity, it allows web browsing and email access.
20
2
Share

Where is the emergency switch for the Volvo S90 trunk?

There is a small black cover on the upper part of the Volvo S90 trunk lid, beneath which lies the emergency switch activation point. Here are some relevant details about the Volvo S90: 1. Exterior: The Volvo S90 boasts a dignified and imposing appearance, with its new family-inspired design catching the eye. Featuring typical Nordic-style aesthetics, the car's body is adorned with clean arcs and straight, flowing lines that exude understated yet commanding presence. 2. Interior: The Volvo S90's cabin is equipped with subtle real wood trim, finely crafted leather steering wheel, a new LCD instrument panel with minimal button systems, and simply designed air vents, all of which bring it closer to nature and better interpret the sense of luxury within understatement.
18
4
Share

What is the speed limit for urban roads with center lines?

When driving on the road, motor vehicles shall not exceed the speed indicated by speed limit signs or markings. On roads without speed limit signs or markings, motor vehicles shall not exceed the following maximum speeds: 1. When driving on urban roads with center lines, the maximum speed shall not exceed 40 kilometers per hour; 2. On roads without center lines, the speed limit is 30 kilometers per hour for urban roads and 40 kilometers per hour for highways; 3. On roads with only one motor vehicle lane in the same direction, the speed limit is 50 kilometers per hour for urban roads and 70 kilometers per hour for highways.
3
1
Share

Is Automotive Alloy Putty Really Crack-Free?

Not necessarily. To achieve a smooth finish in automotive paint sanding putty, it's essential to apply the putty evenly during the application process. This ensures faster sanding and better results. Additional reference materials are as follows: 1. Selection principles for putty application: There are various types of putty with different functions, and the compatibility requirements of coating materials make the selection of putty even more crucial. The compatibility issue between putty, primer, and topcoat is essentially a matching problem. Generally speaking, materials with greater polarity have stronger molecular bonding forces, whereas those with smaller polarity have weaker molecular bonding forces. Among them, synthetic resin coatings (such as amino and epoxy primers, putties, topcoats, etc.) have high polarity, while oil-based coatings (such as alkyd, phenolic primers, putties, topcoats, etc.) have low polarity. There is also another type of coating (such as alkyd primers, putties, topcoats, etc.) with polarity falling between the former two. 2. The selection principle for putty is: Consider compatibility based on the polarity of the coating. Generally, the polarity among primer, putty, and topcoat should be similar or relatively similar to ensure reliable adhesion and interlayer bonding strength.
5
4
Share

Will points be deducted for steering with one hand during the driving test?

No points will be deducted. Relevant information about Subject 2 is as follows: 1. Test scheduling: In April 2016, the "Decision on Amending the Regulations on the Application and Use of Motor Vehicle Driving Licenses" was officially implemented, allowing self-study and direct testing for small cars, and simultaneous scheduling of Subject 2 and Subject 3 for continuous examination. 2. Test content: According to Article 25 of the "Regulations on the Application and Use of Motor Vehicle Driving Licenses" (Ministry of Public Security Order No. 123), the Subject 2 test includes: For large buses, tractors, city buses, medium-sized buses, and large trucks - pile test, hill start, parallel parking, single-plank bridge, curve driving, right-angle turn, narrow gate, continuous obstacles, bumpy road, narrow road U-turn, and simulated highway, continuous sharp mountain curves, tunnels, rain (fog), slippery roads, emergency handling; For small cars, small automatic transmission cars, small automatic transmission cars for the disabled, and low-speed trucks - reverse parking, hill start (canceled from June 1, 2021), parallel parking, curve driving, right-angle turn; For three-wheeled cars, ordinary three-wheeled motorcycles, ordinary two-wheeled motorcycles, and light motorcycles - pile test, hill start, single-plank bridge; The test content for wheeled self-propelled machinery, trolleybuses, and trams is determined by the provincial traffic management department of the public security organ.
13
3
Share

What engine does the Haval H6 use?

Haval H6 1.5T engine model: GW4G15B, Haval H6 2.0T engine model: GW4C20B. Here are the relevant introductions: 1. H6 1.5T engine: The GW4G15B 1.5T engine in the Haval H6 is independently developed by Great Wall, based on the GW4G15 with a turbocharging system installed, and is a high-power version of the GW4G15T. In addition to adopting continuous variable valve timing (dual VVT) technology, it also uses an aluminum cylinder block, dual overhead camshafts, direct ignition technology, front intake design, polymer intake manifold, electronic throttle, and other technologies, making it a well-balanced engine. However, the 1.5T engine in the Haval H6 lacks direct injection technology and has insufficient low-end torque output, requiring 2200 rpm to reach the maximum torque of 210Nm, resulting in relatively weak power performance. 2. 2.0T engine: The 2020 2.0T model is equipped with the GW4C20B engine, an electronically controlled twin-scroll turbocharged engine featuring direct injection, electronic twin-channel turbocharging, thermal management module, integrated cylinder head exhaust manifold, and other technologies. The new electronic control system has higher fuel injector pressure, better gasoline dilution and atomization effects, improving combustion efficiency and thoroughness; the electronically controlled twin-scroll turbocharging allows for high torque output at lower RPMs. The Haval H6 2.0T engine suffers from turbo lag and poor matching with the transmission. There are vibration and noise issues at idle, the low-power version has average power performance, and the engine noise is loud during rapid acceleration, which is a common issue with domestic car engines.
15
4
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.