What kind of engine oil should be used for the Fengjun 5 diesel?

2 Answers
ColinDella
09/02/25 4:13am
Fengjun 5 diesel uses C35W30 engine oil. Engine oil, also known as engine lubricant, serves functions such as lubrication and wear reduction, auxiliary cooling, sealing and leak prevention, rust and corrosion protection, and shock absorption. The Fengjun 5 is a model produced by Great Wall Motors. Its body dimensions are 5395mm in length, 1800mm in width, and 1730mm in height, with a wheelbase of 3050mm. In terms of appearance, the Fengjun 5 features a European and American sedan-style front fascia design, with a U-shaped grille paired with louver-style air intake grilles, combining dynamic appeal with stability while enhancing air intake efficiency for full combustion, fuel economy, and emission reduction. The dual-barrel crystal headlights with a simple and sleek design add to the vehicle's fashionable and elegant appearance, exuding a sense of sophistication and stability.
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SadieMarie
09/14/25 6:28am
When I first bought my Fengjun 5 diesel pickup, I was curious about the engine oil issue. Regular oil isn't suitable for diesel engines, you need to use specialized diesel engine oil. Usually, the manual recommends viscosities like 5W-30 or 15W-40, with API ratings like CI-4 or CJ-4 being quite common. In winter when temperatures are low, 5W-grade oil flows faster, making cold starts easier; in hot summers, 15W provides thicker protection. I've used Mobil's full synthetic diesel oil with stable performance - it reduces engine wear and prevents increased noise. Never skimp on oil during maintenance - wrong oil choices may cause carbon buildup or shorten engine life, leading to costly repairs later. Nowadays full synthetic oils are trending - slightly more expensive but with longer change intervals, making them more cost-effective in practice.
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