Browse

Property For Sale Property For Rent

Used Cars Others

Antiques Collectibles Apparel Baby Kids Items Books， Movies And Music Electronics Free Stuff Garden Outdoor Health Beauty Home Goods Home Improvement Supplies Musical Instruments Office Supplies Others Pet Supplies Sporting Goods Ticket Toys Games Transportation

Business Crafts Design And Web Events Home Improvement Legal Lessons Personal Pets Photography Repair And Technical Support Wellness Writing， Translation， And Transcription Others

Activities & Groups Artists & Musicians Classes & Lessons Events Friendship & Networking Lost & Found Rideshare Sports Teams Volunteers Travel & Travel Partners Skills & Language Swap Other

What is the difference between 15w40 and 20w50?

1 Answers

DeChloe

07/25/25 3:12am

The differences between 15w40 and 20w50 engine oils are: 1. Different viscosity: The viscosity of 15w40 oil ranges between 13.5 to 16.0; while the viscosity of 20w50 oil ranges between 16.5 to 20.0. 2. Different pour points: The pour point of 15w40 oil is around minus twenty-five degrees Celsius; whereas the pour point of 20w50 oil is around minus nineteen degrees Celsius. The functions of engine oil include: 1. Reducing friction and high temperatures; 2. Cooling and temperature reduction; 3. Cleaning and purification; 4. Shock absorption and cushioning; 5. Rust and corrosion prevention. Engine oil, also known as motor lubricant, consists of base oil and additives. The base oil is the main component of lubricating oil, determining its fundamental properties, while additives can compensate for and improve any deficiencies in the base oil's performance.

Was this review help?

19

4

Share

More Forum Discussions

What colors are available for the Geometry A car?

Geometry A car comes in the following colors: 0° White, 11° Silver, 18° Gold, 26° Blue, and 100° Red. The Geometry A is a pure electric compact car with the following body dimensions: length 4736mm, width 1804mm, height 1503mm, wheelbase 2700mm, and a trunk capacity of 430L. It uses 205/60R16 tires. The car is equipped with a front-mounted ternary lithium battery, with a total motor power of 120kW and a total motor torque of 250Nm. It is paired with a fixed gear ratio transmission and features a MacPherson independent front suspension and a torsion beam non-independent rear suspension.

How to Set One-Touch Up/Down for the Avalon?

The method to set one-touch up/down for the Avalon is: 1. Start the vehicle, press down or lift the button to the first position, and release when reaching the desired position; 2. Press or lift the button firmly to the second position for automatic rising or descending. The Avalon is a mid-size sedan with body dimensions of length 4975mm, width 1850mm, height 1450mm, a wheelbase of 2870mm, and a fuel tank capacity of 60 liters. It is equipped with a 2.5L naturally aspirated engine, delivering a maximum power of 154kW at 6600rpm and a maximum torque of 250Nm.

How to Replace Brake Pads with an Electronic Parking Brake?

Electronic parking brake replacement of brake pads method is: 1. Use a jack to lift the front part of the car; 2. Use tools to remove the tire; 3. Unscrew the caliper screws, remove the damaged brake pads and replace them. The electronic parking brake is a technology that achieves parking braking through electronic control. The working principle of the electronic parking brake is: 1. Parking is achieved through the friction clamping between the brake shoe and the brake hub or between the friction plate and the brake disc; 2. The control method replaces the original manual operation and mechanical linkage with electronic buttons and motors. The full name of this system is the electronically controlled mechanical parking brake system.

Do Automatic Headlights Need to Be Turned Off After the Engine Is Off?

Automatic headlights do not need to be turned off after the engine is off. The method to activate automatic headlights is: adjust the combination switch of the car lights to the auto position. The function of automatic headlights is: when the light becomes dim during driving, the headlights will automatically turn on, and when the light becomes bright, they will automatically turn off. The working principle of automatic headlights is: the photosensitive sensor forms a voltage signal based on changes in external light, which is fed back to the automatic headlight control module. After data analysis, it determines whether the lights should be turned on. The maintenance methods for automatic headlights are: 1. Regularly check the lamp cover to avoid water droplets; 2. Prevent impact from foreign objects.

How to Adjust the Rearview Mirror of the Tiguan?

The method to adjust the rearview mirror of the Tiguan is: Press the circular button next to the door corresponding to the rearview mirror, then adjust the mirror up, down, left, or right as needed. The functions of the rearview mirror are: 1. To prevent traffic safety accidents and ensure personal safety; 2. To expand the driver's field of vision. The Tiguan is a compact SUV with the following dimensions: length 4506mm, width 1809mm, height 1685mm, wheelbase 2684mm, and a fuel tank capacity of 63 liters. It is equipped with a 1.8T turbocharged engine, with a maximum power of 118kW and a maximum power speed range of 4500 to 6200 rpm.

How to Replace the Air Conditioning Filter in a Luxgen U6?

The method to replace the air conditioning filter in a Luxgen U6 is as follows: 1. Open the glove compartment on the passenger side, press the plastic buckle inside, and remove the glove compartment; 2. Unscrew the screws on the cover plate and remove the cover plate; 3. Pull out the old air conditioning filter to replace it. Taking the 2019 Luxgen U6 as an example, its body dimensions are: length 4628mm, width 1825mm, height 1637mm, wheelbase 2720mm. Its 1.6L turbocharged engine has a maximum horsepower of 167ps, maximum power of 123kw, and maximum torque of 245nm.

Trending Ranking

How Long Can the Remaining Half of the Engine Oil Be Stored?

What is the appropriate tire pressure for BMW run-flat tires in summer?

How to Clean a Dirty Car Headliner?

Can a small car with 6 people be captured on the highway?

Why Can't the Door of Geely Car Be Locked?

Which Side is the Front and Back of the Vehicle License?

Where is the cabin air filter located in the 2013 Peugeot 308?

How Long Does Vehicle Annual Inspection Take?

Where is the oil filter located in the GLC?

Are Sedans Considered Passenger Vehicles?

More Forum Discussions

Where is the Crown Cigarette Lighter Fuse Located?

Where is the cabin air filter located in a BMW X6?

What is the Principle of Energy Recovery in New Energy Vehicles?

What is the method to reset the maintenance light on the JAC Refine S3?

Help

Cookie

Cookie Settings

© 2025 Servanan International Pte. Ltd.