What is the difference between 5w and 10w engine oil?

1 Answers
Athena
07/29/25 7:45pm
Here is a brief introduction to the differences between 5w and 10w engine oil models: 1. Different freezing point temperatures: The freezing point temperature of 5w engine oil is -30 degrees Celsius; The freezing point temperature of 10w engine oil is -25 degrees Celsius. 2. Different low-temperature fluidity: 5w engine oil has better low-temperature fluidity; 10w engine oil has poorer low-temperature fluidity. 3. Different applicable temperature ranges: 5w engine oil has a smaller applicable temperature range and a lower maximum temperature; 10w engine oil has a wider applicable temperature range, and its applicable maximum temperature is higher than that of 5w. 4. Different wear reduction effects: 5w engine oil has poorer wear reduction effects; 10w engine oil has better wear reduction effects.
Was this review help?
15
2
Share
More Forum Discussions

What Are the Reasons for Difficulty in Turning the Car Steering Wheel?

There are several reasons why a car's steering wheel may be difficult to turn: 1. Insufficient power steering fluid. Power steering fluid is a medium oil used in the car's power steering pump, serving to transmit steering force and provide cushioning. The fluid needs to be replaced regularly, and when it is insufficient, the steering will feel heavy. 2. Low tire pressure. Low tire pressure increases the contact area between the tires and the road surface, leading to greater friction and making turning more difficult, resulting in a heavy steering wheel that is not conducive to driving. 3. Malfunction of the steering gear or power steering pump. The steering gear and power steering pump are crucial components affecting car steering; any issues with these parts can cause steering difficulties. Problems such as universal joint issues, chassis suspension stabilizer bar problems, or plane bearing issues should not be overlooked. 4. Overly tight bearing fit. If the rolling bearings and sliding bearings connected to the steering system are too tightly fitted, it can lead to poor lubrication of the bearings, causing jamming. It is advisable to conduct targeted checks on the mechanical parts and the power steering system, or to inspect for any leaks, air intake, or damage to sealing components.
4
0
Share

Can the car still be driven if the thermostat is broken?

The car cannot be driven if the thermostat is broken, as the thermostat must maintain good working condition; otherwise, it will severely affect the normal operation of the engine. Here are the specific consequences of a damaged thermostat: 1. At idle or low speeds, the water temperature can reach the normal level, but when the speed exceeds 50 km/h, the water temperature drops, fuel consumption increases, and the engine becomes noisy yet lacks power. 2. The thermostat controls the small and large coolant circulation loops. The small loop is for engine heat retention, while the large loop includes the cabin heating system. The thermostat regulates the transition between these loops: if the small loop overheats, the thermostat opens the large loop to cool it down; if the small loop temperature is insufficient, 3. The connection between the small and large loops cannot be closed, resulting in only the large loop functioning. At idle, air cooling is ineffective, and the water temperature can exceed 80 degrees.
2
0
Share

What's the Difference Between Buying a Car in Full and Installment Payments?

Here are the differences between buying a car in full and installment payments: 1. Pros and Cons of Full Payment: Buying a car in full, as the name suggests, means paying all the costs upfront when purchasing the car. A major advantage of full payment is that it eliminates future worries, as you don’t have to set aside money each month to repay car debt. Additionally, choosing to pay in full only when you can afford it helps avoid overspending. However, there are downsides to full payment. For example, you can’t enjoy the car immediately and may need to save for years to afford it. It might also deplete all your savings, leaving you financially constrained for other activities. 2. Pros and Cons of Installment Payments: With changing consumer attitudes, many opt for early enjoyment by using installment payments to ease the financial burden. This way, you don’t have to endure the struggle of saving up for years, and monthly payments are more manageable, allowing you to invest spare money. Moreover, you can afford a higher-end car, repaying the cost gradually over time. On the flip side, the downside of installments is that they can fuel unchecked purchasing desires, leading to significant repayment pressure later, potentially turning you into a 'car slave' if not careful.
14
3
Share

What does 'scan' mean in a car?

SCAN literally means 'examine carefully or scrutinize'. When it comes to the SCAN button in a car, it represents scanning, which is used to search for radio stations and stops immediately after the search is completed. More information about car function buttons is as follows: 1. MODE button: Used to switch between multimedia modes, mostly cycling through FM/AM/online radio/USB/local/Bluetooth music, etc. (specific functions depend on the vehicle model). 2. MUTE button: Used to toggle the mute mode for multimedia. If you want to mute while playing music, simply press the MUTE button in the car, similar to the mute button on a phone. 3. VOL knob: Used to adjust the volume of multimedia. 4. SEEK button: Used to switch songs or channels. Pressing this button will play the previous/next song.
2
4
Share

What Are the Reasons for High Engine RPM?

The reasons for high engine RPM are as follows: 1. Throttle assembly malfunction. The throttle is a controllable valve that regulates the air entering the engine. After the air enters the intake pipe, it mixes with gasoline to form a combustible mixture, which then burns to perform work. If the throttle malfunctions, it can cause the throttle opening to suddenly increase, resulting in a sudden rise in vehicle RPM. 2. Issues with the fuel pump and fuel system. Fuel injector leakage or clogging can prevent the injectors from spraying fuel as instructed by the electronic control unit, leading to an overly rich or lean mixture and causing poor performance in individual cylinders, resulting in unstable idle. 3. Excessive carbon buildup. It is essential to clean the throttle and idle speed motor promptly. 4. Slippage or damage to the air conditioning clutch. Manual transmissions, dual-clutch transmissions, and semi-automatic transmissions all use friction plate-type clutches to transmit engine power. If the clamping force is insufficient or the friction plates are severely worn, slippage can occur, leading to high engine RPM without a corresponding increase in speed.
10
5
Share

What are the pros and cons of changing from 225 tires to 235?

The pros and cons of changing from 225 tires to 235 are as follows: 1. Pros: Due to the increase in tire width and tread, the contact area between the wheels and the ground will also increase, thereby improving the vehicle's grip and driving stability. 2. Cons: The increased contact area caused by the wider tires will also increase friction, leading to relatively higher fuel consumption. Due to increased resistance and heavier tires, steering will become more strenuous, fuel consumption will increase, and the added weight will reduce brake lifespan. Additionally, this change may cause deviations in some vehicle components or data, altering the vehicle's center of gravity and increasing the load on the driving mechanism. Furthermore, altering the tire specifications compromises vehicle stability, posing safety risks. This modification is considered illegal and may result in failing annual inspections or incurring fines.
18
3
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.