Using 5W-30 or 10W-30 can cause oil starvation in the top end of the engine, leading to increased friction and potential damage over time. Towing and Severe Driving Conditions Owners who frequently tow heavy trailers or drive in stop-and-go traffic may wonder if the standard oil recommendation changes.
2017 Subaru Outback Oil Grade Requirements and Why 0W-20 Is Essential
Owners often overlook the specific viscosity and certification requirements, potentially compromising the efficiency of the horizontally-opposed "boxer" engine. Sticking with 0W-20 synthetic oil that meets the API SP/ILSAC GF-6 standards is the single best action an owner can take for the engine.
When purchasing oil, look for the following identifiers on the container to ensure compatibility: API SP ILSAC GF-6 Subaru Standard Oil Capacity: Typically 4. The boxer engine operates at high speeds and temperatures, and synthetic formulations provide superior protection and performance consistency.
2017 Subaru Outback Oil Grade Requirements and Viscosity Guidelines
Using a thicker oil, such as 5W-30, is a common mistake that can hinder oil flow and reduce fuel efficiency. This is a dangerous misconception for the 2017 Outback.
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