Understanding Your Vehicle's Motor Oil Viscosity Rating

When you have your motor oil changed, your technician may have mentioned motor oil viscosity. While it is important to have your motor oil changed on a routine schedule, it is also important to keep the correct type of motor oil in your vehicle. Read further to learn more about motor oil viscosity ratings.

Viscosity measures the thickness of the motor oil and its resistance to flow. Motor oils are marked with a number that is followed by a letter, which is its viscosity rating. The number will let you know its resistance to flow when the temperatures are hot, and the letter tells you how well it resists flow when the temperatures are cold.

At DCH Audi Oxnard in Oxnard, CA, we offer maintenance services, such as oil changes. The next time that your motor oil needs to be changed, stop by our service center.

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IMPORTANT RECALL INFORMATION: Some of our pre-owned vehicles may be subject to unrepaired safety recalls. Check for a vehicle's unrepaired recalls at safercar.gov.