Should the 6th Generation Camry Use 30 or 40 Weight Oil?

1 Answers
StCollin
07/29/25 4:48pm
6th Generation Camry uses 30 weight oil. Function of Engine Oil: Engine oil, also known as engine lubricant, serves to lubricate and reduce friction, assist in cooling, seal against leaks, prevent rust and corrosion, and provide shock absorption for the engine. It is often referred to as the 'blood' of the car. Composition of Engine Oil: Engine oil consists of base oil and additives. The base oil is the primary component of lubricating oil, determining its fundamental properties, while additives compensate for and enhance the shortcomings of the base oil, providing new characteristics. Additives are an essential part of lubricating oil. Oil Viscosity Classification: Engine oil is classified by viscosity. For example, 5W-40 is its SAE standard viscosity value. This viscosity value indicates that the oil is multi-grade. The 'W' stands for WINTER, and the number before the W represents the oil's flow performance at low temperatures—the smaller the number, the better the starting performance in cold conditions. The number after the W indicates the oil's stability at high temperatures (i.e., its resistance to thinning)—the larger the number, the better the high-temperature stability of the oil.
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