What type of engine oil is suitable for the Sail?

3 Answers
DiErin
07/24/25 9:08pm
The original factory-recommended engine oil for the Sail is SM-grade 5W-30 mineral oil. Using this type of oil is sufficient. Below are the relevant details: 1. Function: Engine oil lubricates the engine, ensuring smoother operation, reducing wear, and extending the engine's lifespan. Beyond lubrication, engine oil also serves to clean, cool, prevent rust, seal, resist oxidation, and cushion impacts. Since the engine's longevity is closely tied to the quality of the oil, choosing the right oil is crucial. 2. Precautions: When using engine oil, ensure the oil level is maintained within the appropriate range to guarantee proper engine lubrication. Regularly check the engine oil level, such as when refueling. If the engine oil pressure warning light on the dashboard illuminates, immediately check the oil level. When adding oil, be careful not to exceed the upper limit mark on the dipstick, as overfilling can affect engine performance and potentially damage the vehicle.
Was this review help?
8
2
Share
Levi
08/10/25 9:38am
I've been driving my Sail for several years and have learned some hard lessons about engine oil selection. At first, I didn't know better and casually used 10W-40 conventional oil, which resulted in tractor-like engine noise during winter starts and a significant increase in fuel consumption. After carefully reading the owner's manual, I discovered that the official recommendation for the Sail is 5W-30 synthetic oil. I switched to Mobil 1, and the improvement was immediate: the engine ran smoothly and quietly with stable power output. Now I always purchase genuine 5W-30 oil online and pair it with quality brand filters, saving a lot by doing oil changes myself. Never skimp on cheap, low-quality oil – the resulting engine wear could cost you years' worth of oil in a single repair. Remember to change oil every 8,000 km or 6 months, and check oil levels regularly to ensure safe and smooth operation. Using the right oil maintains excellent vehicle condition – my Sail has over 100,000 km and still runs like new.
Was this review help?
13
5
Share
Expand All
Jace
09/26/25 5:17am
Choosing the right engine oil is crucial for the safety and longevity of your Sail. I've been using 5W-30 synthetic oil for years because its viscosity matches the engine's precision design, reducing friction and wear. Using the wrong high-viscosity oil like 10W-40 can lead to poor flow in cold weather, causing hard starts and increased fuel consumption. Low-quality oil may accumulate carbon deposits, increasing the risk of engine seizure. I change the oil every 5,000 kilometers without fail, opting for API SN-grade oil from reputable brands like Shell for superior protection. Neglecting maintenance can drastically shorten engine life, making replacement far more costly. As a side note, regularly check the dipstick to ensure proper oil levels, and buy from trusted sellers to avoid counterfeits. Proper maintenance saves on major repairs—the Sail's engine is inherently reliable, so don't let minor issues ruin your car. Safe driving starts with the right oil; make it a habit.
Was this review help?
11
3
Share
Expand All
More Forum Discussions

What Causes Fluctuating Car Engine Temperature?

Fluctuating engine temperature in a vehicle is usually caused by wiring faults or sensor abnormalities. Related fault descriptions are as follows: Introduction to wiring issues: Primarily involves grounding problems. Poor grounding, insufficient grounding points, or accidental grounding of wires can all lead to unstable engine temperature. First, check the vehicle's grounding points for firmness and signs of rust. Then inspect the instrument cluster's grounding points for looseness or corrosion. Reasons for fluctuating engine temperature: Sudden temperature fluctuations while driving may be caused by system failures, specifically sensor abnormalities. Sensor issues typically stem from quality defects or temporary malfunctions. In such cases, performing a battery reset for initialization can help determine if the fault persists.
6
4
Share

What is the reason for the sudden disappearance of the car dashboard speed display?

The reason is the damage to the vehicle speed sensor. Here are the relevant details: 1. Vehicle Speed Sensor: As the information source for the automotive electronic control system, it is a critical component of the system and one of the core research areas in automotive electronic technology. It detects the speed of electronically controlled vehicles, and the control computer uses this input signal to manage engine idle speed, torque converter lock-up in automatic transmissions, automatic transmission shifting, the opening and closing of the engine cooling fan, cruise control, and other functions. 2. Vehicle Speed: Vehicle speed refers to the distance a car travels per unit of time, commonly referred to as speed, with common units being kilometers per hour or meters per second.
1
4
Share

How long does it take to get a new car license plate?

If you choose a custom license plate, it usually takes about 15 days to have it made. During the registration process, you will first be issued a temporary license plate and given a receipt for picking up the permanent plate. You can then take this receipt to the vehicle management office to collect your license plate when it's ready. Try to avoid the peak period for new car registrations if possible. The normal working hours of the vehicle management office are from Monday to Friday, 9:00 AM to 5:00 PM. The busiest day of the week is Monday, while Thursday and Friday tend to be the least crowded. You can plan your visit accordingly.
10
3
Share

What is the function of automatic transmission fluid in cars?

Automatic transmission fluid in cars serves as a lubricant to maintain system cleanliness and prolong the lifespan of transmission components. It offers resistance to low temperatures and ensures effective lubrication even in cold conditions, reducing fluid loss under harsh operating conditions. Depending on the transmission structure, transmission fluids are categorized into automatic transmission fluid (ATF) and manual transmission fluid. Approximately 95% of automatic transmission fluids are red in color. Beyond lubricating and cooling the planetary gear set, their primary role is to transmit power. Under normal driving conditions, automatic transmission fluid should typically be replaced every 120,000 kilometers, while under severe driving conditions, replacement is recommended every 60,000 kilometers.
10
4
Share

Is Waxing Necessary After Vehicle Crystal Coating?

After applying crystal coating to a vehicle, waxing is unnecessary. The circumstances requiring waxing and methods to determine coating failure are as follows: When Waxing Is Needed: If the crystal coating fails, it's advisable to wax the car. Minor scratches are inevitable during daily use, and without proper protection, prolonged exposure can easily lead to paint damage. How to Determine Coating Failure: Hydrophobic Test: If the coating is effective, water droplets will bead up like dewdrops on a lotus leaf when splashed on the paint. If it fails, water will spread and cling to the surface. Crystal coating enhances gloss; if the paint appears dull and the surface attracts dirt easily, the coating has likely failed.
11
4
Share

What is the correct method to control speed when descending a long slope?

When descending a long slope, the correct methods to control speed are: 1. For manual transmission vehicles, shift the gearbox to a lower gear to utilize engine braking, while also applying the brakes to maintain a reasonable speed range; 2. For automatic transmission or semi-automatic vehicles, switch the gearbox to manual mode and select a lower gear, or shift to L (Low) gear if available, using the gearbox braking in combination with the brakes to control speed. When descending, the gear selection should be based on the slope gradient—the steeper the slope, the lower the gear should be. Essentially, the lower gear helps to restrain the vehicle's speed from becoming too high, avoiding prolonged use of brakes which could lead to brake component damage.
6
0
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.