What are the symptoms of camshaft noise in the EA888 engine?

1 Answers
McCharlotte
07/29/25 9:03pm
The symptom of camshaft noise in the EA888 engine is the sound produced between the camshaft bearings and the shaft during engine operation. It is a rhythmic, dull metallic knocking sound, which is more noticeable when idling or at slightly higher idle speeds, especially when listening near each camshaft bearing. The camshaft is a component in a piston engine that rotates at high speeds and must withstand significant torque, thus requiring high strength and support. It is typically made of high-quality alloy steel or alloy steel. The following are the causes of camshaft noise: 1. Excessive clearance between the camshaft and its bushings. 2. Rotation of the camshaft bushings. 3. Bending or deformation of the camshaft. 4. Excessive axial clearance of the camshaft. 5. Burning or detachment of the camshaft bushing alloy.
Was this review help?
20
2
Share
More Forum Discussions

Common Knowledge for Novice Drivers to Pay Attention to?

Novice drivers should pay attention to the following: 1. Adjust your mindset: New drivers are often nervous when they first hit the road. Excessive tension during driving is not conducive to normal operation, and mistakes are more likely to occur when flustered. Therefore, it's important to adjust your mindset before driving to avoid operational errors and stay calm in emergencies. 2. Maintain a safe following distance: Novice drivers must keep a safe distance between their car and the vehicle in front. This allows the driver behind to react when the front car brakes or slows down. Additionally, maintain an appropriate distance from other vehicles to prevent sudden braking by the car in front from causing a rear-end collision, and to avoid vehicles from other lanes merging abruptly in front of you. It's recommended to practice repeatedly under various road conditions. You can refer to the following distance of vehicles in adjacent lanes while driving, but the practice process should be gradual—reduce the following distance from large to small until it becomes reasonable. 3. Check the rearview mirrors frequently: Rearview mirrors allow you to observe the road conditions behind and to the sides of your vehicle, which is especially important when changing lanes, reversing, or overtaking. Some novice drivers haven't developed the habit of checking rearview mirrors when they first start driving, often due to nervousness and focusing solely on the road ahead, forgetting to observe the surroundings. However, remember that while rearview mirrors expand your field of vision, blind spots still exist. Novice drivers should accumulate more experience during the driving process.
17
1
Share

How to Distinguish Between the 2020 and 2019 Volkswagen Bora Models?

Here are the differences between the 2019 and 2020 Volkswagen Bora models: 1. Exterior: The appearance differences between the 2019 and 2020 Bora models are minimal. The 2020 Bora continues with Volkswagen's family-style design, featuring a distinct front face with a horizontal grille design, a continuous air intake, and open-angle headlights. The Comfort trim and above come with lens-equipped headlights, while the 2019 model does not have lenses across all trims. 2. Rear: The 2020 Bora has a clean rear design with smoked taillights and a dual-exhaust chrome tailpipe design. 3. Features: The 2020 Bora Comfort and Elite trims are equipped with the MIB-G Standard Plus infotainment system and a rearview camera. The Premium trim features an 8-inch color touchscreen, along with Baidu CarLife/Apple CarPlay connectivity, MirrorLink smartphone mirroring, and touch-controlled air conditioning. Additionally, the 2020 model has two extra USB ports in the rear. 4. Powertrain: The 2020 Bora offers two engine options—1.5L and 1.4T—paired with either a 5-speed manual, 6-speed automatic, or 7-speed dual-clutch transmission. All variants comply with the China VI emission standards.
20
0
Share

How Does Car Battery Capacity Affect Vehicle Performance?

The capacity of a car battery directly influences its maximum current output and operational duration. Specifically, a higher-capacity battery can deliver greater current values or sustain the same load for a longer period. Below is relevant information about car batteries: 1. Introduction: A car battery, also known as a storage battery, is a type of battery that converts chemical energy into electrical energy. Typically, the term 'car battery' refers to a lead-acid battery, which is primarily made from lead and its oxides, with a sulfuric acid solution serving as the electrolyte. 2. Working Principle: It uses lead plates filled with sponge-like lead as the negative electrode, lead plates filled with lead dioxide as the positive electrode, and a 22-28% dilute sulfuric acid solution as the electrolyte. During charging, electrical energy is converted into chemical energy, and during discharging, chemical energy is converted back into electrical energy.
12
1
Share

Skills for Warehouse Shunting and Reversing

Skills for warehouse shunting and reversing mainly include paying attention to summarizing experience, following the coach's instructions, and mastering clutch control. Below are the specific details about warehouse reversing techniques: 1. Pay attention to summarizing experience: The reversing direction is opposite to the rearview mirror. When backing into the warehouse from the starting point, the most important thing is to grasp the distance from the middle pole to avoid collisions between the rear of the truck or the rearview mirror and the middle pole. 2. Follow the coach's instructions: Besides summarizing, the quickest way to learn small reversing tricks is through coach guidance and careful practice. 3. Master proper clutch control: The key factor in reversing is the reasonable use of the clutch. Press the clutch, shift to 1st gear, slowly release the clutch to control the speed, while turning the steering wheel 1 circle to the right. Then straighten the steering wheel and observe the right rearview mirror. When the right rear corner pole is covered by the rear of the vehicle, immediately turn the steering wheel 2 circles to the left. When the left corner of the front hood reaches the middle pole, press the clutch, brake, shift to neutral, and stop.
18
2
Share

Can I use an electronic ID for the Subject 3 driving test?

Can I use an electronic ID for the Subject 3 driving test? 1. Definition of driver's license: The full name of a driver's license is a motor vehicle driving license, also known as a "driver's license." It is a certificate required by law for individuals who drive motor vehicles. Driving a motor vehicle requires certain driving skills, and those lacking such skills may cause traffic accidents if they drive recklessly. Generally, individuals cannot drive on the road without a license. 2. Exam precautions: During the vehicle preparation phase, it is important to walk around the car to inspect the vehicle's appearance and safety conditions. When opening the door, observe the traffic behind you. Pay special attention to the sequence of actions when starting the vehicle. Before starting the engine, ensure the adjustment of the front passenger seat, rearview mirrors, and check the dashboard.
13
1
Share

What brand of tire is TBBtires?

TBBtires is not a tire brand. TBB in the industry refers to bias-ply tires, which are nylon cord tires. 'Tire' is the English word for tire. The following is an introduction to the carcass of bias-ply tires: 1. Composition structure: The carcass ply of a bias-ply tire consists of several layers of rubberized fabric. The adjacent plies have the same cord angle and are arranged in a crisscross pattern. The number of plies is usually even, which helps distribute the load evenly across the carcass. 2. Crown cord angle: The crown cord angle of a bias-ply tire typically ranges between 48 and 55 degrees. The crown cord angle refers to the angle between the cord and the vertical centerline of the tire crown. 3. Inner ply: The ply is divided into inner and outer plies. The inner ply is the main skeleton layer of the carcass, characterized by multiple layers and dense cord spacing, which increases the strength of the carcass. The following is related information about bias-ply tires: 1. Tire structure: Bias-ply tires are an older type of tire structure. The tire consists of the tread, carcass (ply), breaker, and bead. The ply is the skeleton of the tire, maintaining its shape and size. 2. Materials: Typically made by bonding an even number of multiple layers of rubberized fabric (ply) with rubber. The cords of the ply are at an angle of about 35 degrees to the centerline of the tread, running from one sidewall through the tread to the other sidewall. High-strength cord materials such as nylon, polyester, or steel are used. 3. Advantages: Significantly increases the load-bearing capacity of the tire and improves performance, making it a commonly used tire type for modern vehicles.
11
3
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.