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What is the ticking sound in a diesel engine?

1 Answers
JamesAnn
07/30/25 4:36am
Car engine ticking noise is a normal phenomenon during cold starts or could be related to oil issues. Below are the reasons for car engine ticking noise: 1. Reason one: During a cold start, the engine sound is slightly louder than when the engine is warm. As long as the sound is uniform and smooth, not harsh, it is generally not a problem. This is because when the engine is cold, the gap between the cylinder wall and the piston has not reached the optimal size, and the oil lubrication is not sufficient. Typically, once the engine block temperature reaches around 95 degrees, the sound will return to normal; 2. Reason two: Poor-quality oil or not changing the oil for a long time, or lack of oil, can easily increase friction between the valves and guides, as well as hydraulic lifters, making various sounds in the engine louder. Therefore, it is necessary to refuel at regular gas stations.
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Where is the Corolla engine number located?

The Corolla engine number is located on the side of the rear end of the engine. If you need to trace the engine number, you will have to remove the starter and intake pipe. If you just want to check the engine number, you can open the hood, and the vehicle's factory nameplate will have the engine number. Additionally, the engine number is also listed on the vehicle's registration certificate. The Corolla's body dimensions are 4530mm in length, 1705mm in width, and 1490mm in height, with a wheelbase of 2600mm. It is equipped with a 1.6L Toyota 1ZR-FE all-aluminum inline four-cylinder engine, which has a displacement of 1.6L, a maximum power output of 88kW, and a peak torque of 152Nm. In terms of transmission, it comes with a 5-speed manual or a 4-speed automatic transmission.
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What to Do When the Malfunction Indicator Light Comes On in the 10th-Generation Civic?

The solutions for the malfunction indicator light coming on in the 10th-Generation Civic: 1. It is essential to use a specialized diagnostic computer to read the engine fault codes. After clarifying the specific meaning of the fault codes and analyzing the relevant data stream, an accurate judgment can be made; 2. Promptly visit a specialized repair shop for a computer diagnosis of the engine control system, and thoroughly eliminate the related faults based on the computer diagnosis results. The 10th-Generation Civic has a length, width, and height of 4649mm, 1800mm, and 1416mm respectively, with a wheelbase of 2700mm. It is a compact sedan launched by Honda, and compared to other models in the same class, this car offers relatively spacious interior.
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How many liters of engine oil does the Haval H6 use?

Haval H6 generally uses about 3.8 to 4 liters of engine oil. You can refer to the data provided in the user manual for refilling. As an urban SUV, the Haval H6 features a straight roof line in its design, which effectively ensures ample headroom inside the cabin. It is equipped with the GW4D20 Green Quiet 2.0VGT engine, delivering a maximum power of 150 horsepower and a maximum torque of 310 Nm. The Haval H6 comes standard with features such as headlight height adjustment, delayed headlight shut-off for home lighting, four-way steering wheel adjustment, dual airbags, and rear air conditioning vents. Higher trim models are additionally equipped with intelligent and convenient features including a cruise control system, intelligent voice GPS navigation system, smart wiper and lighting control, side airbags, front and rear integrated side safety curtains, ESP electronic stability system, and a tire pressure monitoring system.
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How many milliliters of engine oil should be added to the UY125?

When the engine oil is completely drained, the UY125 can be filled with 650ml of oil. However, it is generally difficult to achieve this, so adding approximately 600ml is sufficient in practice. Types of engine oil suitable for the UY125: According to the UY125 manual, you should purchase SG, SH, SJ, or SL grade 10W-40W four-stroke motorcycle engine oil. For most motorcycles, during the break-in period of a new bike, the first oil change is typically required between 500–1000 kilometers, followed by subsequent oil changes every 2000 kilometers. How to handle overfilling engine oil: You can use the pump mechanism from a shampoo or detergent bottle to remove excess oil. The oil level should remain within the range marked on the dipstick.
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Is it normal for a motorcycle engine to get very hot?

It is normal for a motorcycle engine to get hot. Generally, a few minutes after starting or after riding two to three kilometers, the engine can become so hot that you wouldn't dare touch it with your hand. This is a normal phenomenon since the engine is burning fuel inside, so the exterior naturally gets very hot. As long as the riding method is correct and the engine oil is normal, there is no issue. If it's a new motorcycle, because the engine hasn't been broken in, the surfaces of the parts are relatively rough, the gaps are tighter, and the operating resistance is greater, so the heat generation might be more noticeable. Methods to dissipate engine overheating are as follows: 1. Water cooling: Water cooling is a more effective cooling method. The principle of water cooling is to reduce temperature by flowing water surrounding the cylinder sleeve and cylinder head. However, this isn't universally applicable. The advantage of water cooling is its effective heat dissipation for high-power and high-speed engines. The disadvantages are also obvious: it requires the assembly of a radiator, has a complex structure with high costs, and a higher failure rate. 2. Oil cooling: Oil cooling provides more stable heat dissipation. It uses the motorcycle's own engine oil to dissipate heat through an oil cooler (an oil cooler and a radiator are essentially the same in principle, except one contains oil and the other water). The circulation power for oil cooling comes from the engine's oil pump. 3. Air cooling: Air cooling relies on the wind generated by the motorcycle's movement to cool the engine. Air-cooled cylinders are designed with large cooling fins, and the cylinder head is designed with cooling fins and air ducts (many air-cooled engines are low-speed, high-torque single-cylinder or V2 engines). Whether water-cooled or oil-cooled, they rely on the wind during riding to carry away most of the heat. Air-cooled engines are more commonly used in small-displacement models or cruisers. Small-displacement motorcycles naturally generate less heat, so they don't require excessive cooling mechanisms.
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Is it necessary to go to a 4S shop to replace spark plugs?

Replacing spark plugs does not necessarily require going to a 4S shop. If you have some hands-on skills, you can completely replace them yourself. There is no need to visit a 4S shop for such small components, and you can also save on labor costs. To replace spark plugs, you need to prepare the necessary tools, including 10mm, 14mm, and 16mm sockets, a long extension bar, a ratchet wrench, a magnetic rod, a towel, etc. Steps to replace spark plugs: 1. After the engine has completely cooled down, unplug the high-voltage coil connector, then use a 10mm socket to remove the fixing bolts. After removing the high-voltage coil, you can see the spark plug in the cylinder; 2. Depending on the size of the spark plug nut, use a 14mm or 16mm socket with a long extension bar to turn counterclockwise to loosen it. After loosening, use a magnetic rod to pull out the spark plug; 3. Use the magnetic rod to hold the new spark plug and insert it into the hole, then tighten it.
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