In addition to normal car washing, it is advisable to clean the engine from time to time. There are several opportunities to do so:
After loss of oil
After driving in the mud and so on.
After the damage caused by a marten (animal)
If you notice a loss of oil or other liquids in your car, you must first find out the cause. For this, it is necessary to clean the motor area so that you can detect the fault. There are some general things to keep in mind when cleaning the engine. Clean only when the engine is cold, otherwise, if the hot engine block comes into contact with cold water, this can result in considerable damage. In addition, electronic components, such as the control unit, can not come into contact with water, to avoid a short circuit.
More experienced drivers can carry out cleaning of the engine by themselves. The main concerns are an oil separator and a good detergent. Open the alternator and, if necessary, the distribution cover. Then sprinkle the detergent on the engine and let it work for a few minutes. With a brush you can also remove deposits from areas that are difficult to access. With a high pressure jet (set it to minimum pressure!) Softened dirt is rinsed away. You must never use it on electronic components; Then you must let the engine dry well. Generally, you can find an oil separator in car wash areas; Cleaning the engine on your property or on the road is generally forbidden. And about bans: Some car makers forbid engine cleaning with a high-pressure steam cleaner, damaging the warranty.
If you want to go safe, leave the engine cleaning to a specialist. Otherwise the engine may not start anymore, or work just fine. Another alternative (a little more expensive) is that of dry ice cleaning, which avoids damage caused by water. Also, you should invest a few euros in a motor sealant (which is not wax): this product has no visible effect but protects the engine from internal moisture.
Cleaning the undercarriage
When they bring the car to car wash, many drivers are questioning what the right choice is. Is basic maintenance sufficient, or should the undercarriage be cleaned? As a rule, you only need to clean the visible surface, once a month or more often in winter, if necessary.
However, especially in colder periods of the year, salt residues on the roads accumulate on the undercarriage, and this can damage the material. In this case, the undercarriage wash is particularly useful; However, it may also cause damage, and should, rather, be done manually.
In a car wash, steam is sprayed with high pressure on the undercarriage. This could put the mechanical parts or electronics in motion, and the machine may not turn on, which should be avoided at all costs. Additionally, in winter the salt water helps corrosion. If the undercarriage is cleaned by a professional, he can also check for faults, which is particularly recommended with used vehicles.
A rainy weather is usually the most suitable and favorable occasion for cleaning the undercarriage, as the splashing water cleans the car. Apart from that, it’s enough to clean the car’s lower part two or three times a year.