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The 2000 Jeep Grand Cherokee requires 5w-30 oil, but it can also use 10w-30 in hot climates. If you're curious about the various types of oils and their meanings, you're not alone. These oils are based on specifications created by the military in the 1940s and later standardized by the Society of Automotive Engineers (SAE). The classification system sorts engine oils by viscosity grades, with single grade oils categorized based on their viscosity at high temperatures and multi-grade oils at both low and high temperatures. Multi-grade oils have a high viscosity index (VI) and might fit into multiple SAE classifications. For instance, aviation engines are rated with different viscosities than those for automotive use and SAE standards.
Can I use synthetic oil in a V8 engine of a 2001 Grand Cherokee?
The 2000 Jeep Grand Cherokee recommends using 5w-30 oil, but if you're driving in a hot climate, you can also opt for 10w-30.