Should Haval H2 use 5w30 or 5w40 engine oil?

2 Answers
RuthLee
09/02/25 8:08am
Haval H2 is equipped with a 1.5L turbocharged engine. It is recommended to use 5w40 engine oil for this model to protect both the turbocharger and the engine. Below is additional information: Differences between synthetic and mineral oils: In principle, the oil change interval for full synthetic oil is definitely longer than that of mineral oil. Generally, the oil change interval for mineral oil is around 5,000 kilometers, while full synthetic oil can last approximately 7,500-10,000 kilometers. In terms of time, whether it's mineral oil or full synthetic oil, it's best not to exceed one year. Reasons for longer oil change intervals: Better fuel quality with lower impurities and sulfur content, as well as good air quality and road conditions, contribute to this.
Was this review help?
14
2
Share
OliveDella
09/15/25 3:16am
I've been driving my Haval H2 for almost five years now, and changing the engine oil is something that requires careful consideration. First, check the manual. Haval generally recommends 5W30, which is suitable for daily driving and fuel efficiency. However, since I often drive on suburban mountain roads and the engine temperature gets high in summer, I switched to 5W40. It offers better high-temperature protection, reduces engine noise, and ensures a stable performance on long trips. Of course, 5W30 is better for cold starts in winter and is more practical in freezing conditions. If the weather is mild and you're just commuting, 5W30 is sufficient. But for long summer drives or if there are oil leakage issues, 5W40 is a safer choice. Remember to change the oil every 5,000 kilometers to avoid engine wear and prolong its lifespan.
Was this review help?
19
1
Share
Expand All
More Forum Discussions

What is the lifespan of a 7-speed wet dual-clutch transmission?

Under normal circumstances, the designed service life of a 7-speed wet dual-clutch transmission is at least 300,000 kilometers, and most can operate up to 250,000 kilometers. Below is relevant information about the transmission: Working principle: The transmission relies on transmission fluid for cooling, lubrication, and hydraulic power transfer. If the transmission fluid is used for too long, it will significantly reduce the transmission's performance. When the transmission fluid becomes severely contaminated, it can also lead to a series of transmission malfunctions. Hazards of not changing the fluid promptly: Failure to change the transmission fluid in time can result in weak starts when the car is cold. Additionally, transmission fluid can deteriorate and evaporate under high-speed and high-temperature conditions, thereby accelerating the wear of mechanical components and, in severe cases, damaging internal transmission parts. It can also cause the transmission fluid to thicken, which may block the transmission cooler, leading to excessively high transmission fluid temperatures, increased wear, and the vehicle being more prone to minor slipping during driving.
7
1
Share

What is the sequence for using the three differential locks?

The three differential locks must be engaged in a fixed sequence: 1-2-3, which corresponds to center-rear-front differential locks in order. Below are the details: Engage Differential Lock 1 (Center Differential Lock): This synchronizes the rotation speed of the front and rear axles, suitable for gravel roads, slightly uneven surfaces, or gentle slopes where single-wheel slip (either front or rear) may occur. However, it is not suitable for cross-axle terrain. Engage Differential Lock 2 (Rear Differential Lock): This ensures both rear wheels and the front axle rotate at the same speed, ideal for situations like encountering large rocks or severely uneven terrain where only one rear wheel maintains traction. Engage Differential Lock 3 (Front Differential Lock): This provides equal power to all wheels, designed for extreme off-road conditions where wheels on one side completely lose traction or only a single wheel has grip. It is particularly useful for desert driving or snow recovery scenarios.
17
5
Share

What to Do If the Driver's License Annual Inspection Expires?

If the annual inspection has expired, as long as the driver's license is still within its validity period or has been expired for less than one year, you can apply for the inspection at the vehicle management office with your ID card, driver's license, and physical health certificate. According to regulations, if you drive a vehicle with an overdue inspection, you may be fined between 200 and 500 yuan if caught. The details are as follows: 1. Purpose of Annual Inspection: The annual vehicle inspection refers to the annual examination of vehicles that have already obtained official license plates and registration certificates, conducted in accordance with the "Technical Conditions for Motor Vehicle Operation Safety." The aim is to check the main technical conditions of the vehicle, urge the strengthening of vehicle maintenance, keep the vehicle in good condition, and ensure driving safety. 2. Processing Time: From the "Valid From" date at the bottom left of the driver's license to the "Valid Until" date on the right (initially 6 years), you can apply for a renewal at the issuing vehicle management office within 90 days before the expiration date. There is no need to submit a physical condition certificate during this period (i.e., no need to participate in the "annual inspection").
4
4
Share

What does the T-intersection sign mean?

The T-intersection sign indicates a T-shaped road junction. In principle, this sign is placed on roads that match the shape of the intersection, and it is positioned at an appropriate location before entering the T-intersection. Its purpose is to warn drivers to proceed with caution and reduce speed. Additional information: Traffic warning signs are facilities that use graphic symbols and text to convey specific information, aimed at managing traffic, indicating driving directions, and ensuring smooth road flow and driving safety. They are applicable to highways, urban roads, and all dedicated roads, and have a legal nature that must be adhered to by all vehicles and pedestrians.
13
0
Share

How to Explain the Yield to the Right Rule?

The Yield to the Right Rule means that at an intersection, from the driver's perspective, vehicles coming from the right side of the road should be given the right of way. This is because the driver's left-side blind spot is larger while the right-side field of vision is wider, making it easier to spot incoming vehicles from the right. Therefore, the Yield to the Right Rule is highly reasonable. Below is a detailed explanation of the rule: 1. No Fault on the Right Side: If your vehicle arrives at an intersection and fails to yield to a vehicle coming from the right, resulting in a collision, and the other vehicle has not violated any traffic rules, then your vehicle should bear full responsibility. 2. Fault on the Right Side: If your vehicle arrives at an intersection and fails to yield to a vehicle coming from the right, resulting in a collision, and the other vehicle has violated traffic rules, then responsibility should be shared based on the proportion of fault from both parties; it could be equal responsibility or primary and secondary liability. 3. Already Crossed the Centerline: If your vehicle arrives at an intersection without noticing any incoming vehicles from the right and proceeds straight, only to suddenly spot a high-speed vehicle from the right after crossing the centerline, leading to an unavoidable collision, then if your vehicle also violated traffic rules, responsibility should be shared based on the proportion of fault; it could be equal responsibility or primary and secondary liability. However, if your vehicle did not violate any traffic rules, the other party should bear full responsibility.
6
3
Share

Are the parts replaced at 4S stores the same as the original ones?

Under normal circumstances, they are the same, but some 4S stores may engage in substituting inferior parts for genuine ones, using aftermarket parts instead of original ones. Here is supplementary information about automotive parts: Original Equipment Manufacturer (OEM) parts: OEM parts are those produced by the automobile manufacturer itself or authorized professional parts manufacturers. Genuine OEM automotive parts are perfectly crafted, essentially matching the quality of the original components with no minor defects, and their appearance and performance are consistent with the original parts. They come with professional certification and are marked with the OEM's logo and part number. These parts are specifically provided by the automobile manufacturer for after-sales service. Genuine parts: Genuine parts are produced by qualified manufacturers and fall under the category of aftermarket parts. However, the difference lies in that genuine parts bear the manufacturer's name, brand, and production certification, and are supplied through official channels. These manufacturers are included in the procurement list of automobile manufacturers, ensuring quality and after-sales service. In terms of craftsmanship and appearance, they are second only to OEM parts.
7
4
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.