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Alerts: Is the stain under the car bad?

Reading time 6 Min.

Alerts: Is the stain under the car bad?

Older vehicles in particular like to leave marks on the floor Stain. But it doesn't always have to result in a defect and the vehicle doesn't always have to be "an old one". We have summarized the most important information on the subject for you in this article. Stains under the car often indicate a defect. But sometimes stains are nothing to worry about because they are caused by a harmless cause. For this comes often condensation from the air conditioner. The stain under the car from condensation is harmless. Especially in summer it sometimes happens that there are real ones under the car puddles form. The condensed water is odorless and transparent. Condensation occurs when water evaporates on the evaporator inside the air conditioner and then drips down. If you don't want a puddle, you should turn on the air conditioning about 10 minutes before the end of the journey exhibit. This also has the positive side effect that no germs or mold can form in the evaporator. As a result, the air conditioning always smells nice and fresh. In the following guide you will learn how to use the various Supplies of the vehicle and what are the reasons for an eventual one Leak be eligible.

Important tip: For personal protection, it is essential that you wear protective goggles and protective gloves when you come into contact with operating materials. A lot of them are very corrosive.

coolant

  • This is ensured by circulating in the cooling water circuit cooling water to ensure that the engine does not overheat and that the existing heat can be dissipated to the radiator. The color of the coolant varies, but most often it is red, blue or green. It is only slightly oily and the smell is sweet. The loss of cooling water can have many causes. Common reasons can a leaking radiator or leaking cooling water line being. The spilled cooling water must be absorbed with a binding agent and disposed of with hazardous waste. Tip: Before starting the engine, it must be checked whether there is still enough coolant in the system!

Alerts: Is the stain under the car bad?

fuels

  • Petrol or diesel can usually be determined easily. Many are familiar with the typical smell of the respective fuel. Both smell unpleasant and penetrating. Gasoline gives off an odor that many would describe as harsh. Gasoline is colorless. Diesel, on the other hand, has a yellowish color and is oily. Common causes of fuel spills can Defects in the fuel lines be or a leaky Fuel Filter. Tip: Marten bites are often the reason for such defects. If fuel has leaked, it must be picked up with a binding agent and disposed of with hazardous waste. However, small amounts of petrol usually evaporate and do not necessarily have to be absorbed with a binding agent.

Alerts: Is the stain under the car bad?

Engine oil

  • The job of engine oil is to lubricate the moving parts in the engine and to protect them from corrosion. Over time, residues such as soot can turn engine oil dark brown to black in color. It smells sooty and burnt. There are many causes for the loss of engine oil. For example, one could be considered leaky oil pan, a defective Cylinder head gasket or a leaky one crankshaft oil seal. If you discover a stain under the car and you are sure that the engine oil is, you should get a suitable binding agent as soon as possible. Oil is a big problem for the environment. The oil, including the binder, should then be disposed of as hazardous waste be disposed of. Of course, a workshop must then be visited as quickly as possible to rectify the problem. Tip: Before starting the engine, check whether there is still enough engine oil in the engine!

Alerts: Is the stain under the car bad?

transmission oil

  • The task from transmission oil it is that to reduce wear within the transmission. The color of transmission oil is very similar to that of engine oil. It is dark brown to black. Therefore, you should pay attention to the smell. This is very penetrating in the transmission oil and is a bit reminiscent of urine. There are many possible causes for transmission oil to leak out. Often the cause is a leak in the transmission input shaft or the drive shaft oil seal. Other common causes are that the transmission oil drain plug is leaking, or that fluid is leaking from the shift linkage exit. Gear oil also poses an enormous burden on the environment when it drips from the vehicle onto the ground. Here the liquid should be absorbed with a binding agent and then the mixture is disposed of with hazardous waste. Of course, a workshop must then be visited as quickly as possible to rectify the problem. Tip: Before starting the engine, check whether there is still enough transmission oil in the transmission! If checking is not possible and the stain on the floor is very large, it is better to have the car towed to avoid damage to the gearbox.

Alerts: Is the stain under the car bad?

steering gear oil

  • Steering gear oil is used to lubricate the power steering and protect it from corrosion. New steering gear oil has one green or red color. Old steering gear oil, on the other hand, is dark brown to black. The smell of the steering gear oil is difficult to describe. But it smells very chemical. The cause of a puddle of steering gear oil under the car is a defective steering, a defective servo pump or a defective steering gear. Leaked steering gear oil must be soaked up with a binding agent and then disposed of with hazardous waste. Tip: Before starting the engine, check whether there is still enough steering gear oil in the system! If checking is not possible and the stain on the floor is very large, it is better to have the car towed to avoid damage to the steering gear.

Alerts: Is the stain under the car bad?

brake fluid

  • The function of brake fluid is that when the brake pedal is pressed, the power is hydraulically transmitted to the individual wheels. The color of brake fluid is either yellowish (DOT4) or sometimes blue (DOT5). The brake fluid is very toxic! Therefore, it must be completely absorbed with binding agent and disposed of with hazardous waste. The most common cause of brake fluid loss is one leaking brake line, a leaking brake caliper or a defective slave or master cylinder. Tip: If you suspect that the leaked fluid is brake fluid, then the vehicle should be be left standing, as it may no longer be roadworthy and safe. The car should therefore be towed.

Alerts: Is the stain under the car bad?

Contrast media

  • Contrast medium is neon green. The liquid has been used in the past to stop any leaks in the air conditioning system to find. If the contrast medium runs out, there is a new leak in the air conditioning circuit. The agent must be disposed of with hazardous waste as it is harmful to the environment.

Alerts: Is the stain under the car bad?

The following note is essential: For safety reasons, tuningblog recommends all repair, inspection and maintenance work exclusively to be carried out in a specialist workshop! Although our information is summarized to the best of our knowledge and belief, we cannot assume any liability for the content. All information is therefore "without guarantee".

Of course, that wasn't the end of it!

In this tuningblog category there are guides and instructions for common defects/repairs on the vehicle and for installing accessories/tuning parts. Our articles explain in a simple way common defects and the corresponding repairs, as well as explaining how the first signs of a defect become noticeable. In most cases, we also have initial clues to the repair instructions in our repair instructions approximate The costs of the pending repair are listed. The goal of our subcategory “Auto Repair Guide“ is to create a head start in knowledge for the next visit to the workshop with initial tips. This may save you from tedious troubleshooting and small things can perhaps be done directly on your own. The same applies, of course, to the installation of accessories/tuning parts. Here, too, we would like to help with the implementation with instructions and tips. There are many other posts on this as well. Below is an excerpt of the last and HERE there are all previous instructions:

Broken window regulator? We have the information on the subject!

Alerts: Is the stain under the car bad?

Transmission control unit no longer works? The info!

Alerts: Is the stain under the car bad?

Defects in the car drive shaft? It is important to pay attention to this!

Alerts: Is the stain under the car bad?

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About Thomas Wachsmuth

Thomas Wachsmuth - He has been an integral part of tuningblog.eu since 2013. His passion for cars is so intense that he invests every available penny in them. While he dreams of a BMW E31 850CSI and a Hennessey 6x6 Ford F-150, he currently drives a rather inconspicuous BMW 540i (G31/LCI). His collection of books, magazines and brochures on the subject of car tuning has now reached such proportions that he himself has become a walking reference work for the tuning scene.  More about Thomas

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