Weather is also easy to let the water below the water cup frozen on the damage caused, especially in the northern region, many users in order to prevent the oil-water separator frozen, to the oil-water separator put on a thick cotton coat, but for insurance purposes, it is recommended to choose the oil-water separator with electric heating function. Oil-water separator market price ranging from a few hundred to a few thousand, the quality of the difference is relatively large, there are some fake and shoddy products, if you are greedy for cheap to buy poor-quality products, and finally pay the price may be a whole set of injectors, and even change the engine, so we must buy oil-water separator when you buy a regular repair station to buy the mainstream brands of products. In order to ensure that the entire engine system oil supply, the retrofitted oil-water separator model must be larger than the original car comes with the displacement.
Pay attention to the timely drainage: do not think that the installation of a high peace of mind, oil and water separator below a transparent plastic water cup, in the use of oil and water separator must pay attention to the timely release of water, water is too much oil and water separator can not play a role in the separation of oil and water. Automatic drainage function of some foreign advanced manufacturers already have automatic water discharge function, oil and water separator below the filter cup with water level sensor, when the water level reaches a certain value will be in the dashboard above the computer display prompted by water, oil and water separator must be drained. Drainage operation is also very convenient, after parking, pull the handbrake, turn off the engine, turn the ignition key to the driving position, press the switch on the dashboard only takes about 18 seconds to complete the drainage.