Is it safe to add engine anti-wear agents to engine oil?
3 Answers
Adding engine anti-wear agents to engine oil is safe. The function of the engine is to provide power for the vehicle, serving as the heart of the car and determining its power, fuel efficiency, stability, and environmental performance. Engine maintenance methods include: 1. Using high-quality engine oil; 2. Using qualified coolant; 3. Regularly cleaning the radiator scale; 4. Periodically removing carbon deposits from the car; 5. Timely replacement of the three car filters; 6. Maintaining reasonable engine speed. Engines can be categorized into diesel engines, gasoline engines, electric vehicle motors, and hybrid engines based on their power sources. Common gasoline and diesel engines belong to reciprocating piston internal combustion engines, which convert the chemical energy of fuel into mechanical energy for piston movement and external power output.
As an auto mechanic with over a decade of experience, I often get asked by car owners whether adding anti-wear additives is safe. Generally speaking, it's safe to add to engine oil as long as you choose products from reputable brands like Shell or Mobil. The primary function of anti-wear additives is to enhance the oil film's protection of engine components and reduce friction, which is particularly beneficial for older vehicles or those frequently driven at high speeds. However, it's important not to add too much, as this could lead to incompatibility with the oil, resulting in deposit buildup or system contamination, which would only add to maintenance headaches. My advice is to first check the vehicle's manual to see if the manufacturer permits the use of additives before making a decision. Regular oil changes are sufficient on their own; additives are merely supplementary and unnecessary unless there's a specific issue. Safety comes first—always ensure the oil hasn't degraded before proceeding.
I used to worry about engine wear and tried several anti-wear additives in my car. After adding them, I noticed the cold start noise became quieter and the driving felt smoother. In most cases, they are safe, but you must choose products that match your vehicle model—avoid off-brand products. Anti-wear additives can form a protective layer under high temperatures, reducing piston ring wear and somewhat extending engine life. The risk is that if the quality is poor, it might thicken the oil or clog the filter, so I only add it after changing to fresh oil and don’t use it frequently. From a cost-saving perspective, it’s cheaper than a major engine overhaul but not as reliable as regular maintenance. Remember to add a small amount, avoid mixing different brands, and regularly check the engine’s condition.