Should I add water or antifreeze to the car water tank?

Add antifreeze to the car water tank.

The influence of water shortage in automobile water tank is:

1, the heat dissipation capacity of the engine is relatively reduced, which makes the lubricating oil thinner and reduces the lubrication quality;

2, aggravate the surface wear of moving parts, and easily lead to cylinder sticking, piston ring sticking, boiling and cylinder pulling.

The function of automobile water tank is:

1, which can absorb the heat of the cylinder;

2. Prevent the engine from overheating.

The reason of water shortage in automobile water tank is:

1, water pipe joint, the pipe itself leaks;

2. The cylinder body is cracked, the cylinder head gasket is lax or damaged, and water channeling occurs;

3. The oil radiator sealing ring is damaged or has sand holes, resulting in water string;

4. The water tank cover is not tight;

5. The heater water tank leaks;

6. The tee leaks.