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Can you use hydraulic oil in car engine?

It is generally not recommended to use hydraulic oil in a car engine. Hydraulic oil is specifically designed for hydraulic systems, such as those found in construction equipment and industrial machinery. Car engines, on the other hand, require motor oil that is formulated to meet the specific requirements of automotive engines.

Here are a few key reasons why hydraulic oil should not be used in a car engine:

Different Viscosity: Hydraulic oil typically has a higher viscosity than motor oil. This means that it flows more slowly at lower temperatures and can lead to poor lubrication of engine components, especially during cold starts.

Additives: Motor oil contains a variety of additives that are designed to enhance its performance in an engine, including detergents, antioxidants, and anti-wear agents. Hydraulic oil does not typically contain these additives, which can lead to premature wear and damage to engine components.

Compatibility: Hydraulic oil is not compatible with some of the materials used in car engines, such as seals and gaskets. This can lead to leaks and other problems.

Using hydraulic oil in a car engine can have serious consequences, including engine damage, reduced performance, and increased wear and tear on engine components. If you are unsure about what type of oil to use in your car, it is always best to consult your vehicle's owner's manual or a qualified mechanic.