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Characteristics of a Leaking Car Valve Seal, Causes and How to Overcome It

09 April 2025
Ciri-ciri Seal Klep Mobil Bocor, Penyebab dan Cara Mengatasinya

For those of you who are car owners, understanding the signs of a leaking valve seal is a must. This way, users can address it as soon as possible to keep performance optimal. 

As it is known, the car valve is one of the important components in the car. The location of this component is in the valve seat bushing. Its main function is to seal each engine with valves located in the combustion chamber. 

Like other components, this one cannot escape from the name of damage. The cause of damage to the valve seal is usually due to friction that generates heat. 

Signs of a Leaking Valve Seal 

Understanding how to identify a leaking valve seal is essential for you to know so that you can replace it promptly. Because if left unattended for a long time, it can cause engine oil to leak, and an engine overhaul becomes unavoidable.

For those of you who do not want to experience more severe problems, here are some signs of a leaking valve seal: 

  • Presence of white smoke coming from the car's exhaust 
  • Engine temperature rises quickly and even overheats 
  • Water volume depletes quickly due to leaks 
  • Increased fuel consumption 
  • Engine noise becomes rougher and louder, which can be very disturbing for users. 

Causes of Damage 

Leaks that occur in the valve seal are caused by several factors. This is why as a user, it is essential to find out the causes so that they can be addressed promptly. Here are some causes of damage and leaks in car valve seals. 

Dirty Engine 

The most common cause of leaks is a dirty engine or the presence of sludge due to infrequent cleaning. This is why it is important for users to maintain cleanliness in the engine area, especially if you are someone who uses the car daily.

Age of the Vehicle 

Valves that experience damage may be due to the age of the vehicle. The longer the vehicle is used, the higher the risk of valve seal leaks. Therefore, it is recommended to routinely replace them at least every 3 years of use. 

Read Also : The Important Functions of Car Valves, Components, and How They Work

How to Address It 

Now that you know the causes of the leaks mentioned above, you also need to know how to address these issues. The goal is certainly to minimize damage so that it does not worsen. 

Here are several ways to address leaking valve seals. 

First, Repair the Valve Seal 

The first step you can take is to repair the valve seal first. To do this, you can clean and replace it. If you are unsure how to do it, please take it to the nearest workshop first. 

By Skimming the Valve

The next way to repair this component is by skimming the valve. This step can be done by gradually grinding down the seat and valve parts of the car. The goal is to achieve the most accurate position. 

As a note, this method should ideally be done with special materials to achieve optimal results. The name of this material is amril. 

Replacement

The last method that can be done is through the process of replacing the leaking valve seal. The process can start by dismantling the engine and replacing the component with a new unit. You can perform this replacement at a Daihatsu authorized workshop to achieve the best results.

It is also very important to know the signs of a valve seal that is leaking. Because if not addressed immediately, it can lead to new problems. By understanding the signs of a leaking valve seal and its prevention, the vehicle's performance can be maintained. 

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