Exhaust gas recirculation valve seal: function, modification and price
Content
The EGR valve seal is a metal seal that can withstand very high temperatures. It prevents leakage of gases at the exhaust level. If the EGR valve seal fails, you risk failing the MOT and losing power to the vehicle.
🚗 What is the exhaust gas recirculation valve seal used for?
La EGR valve (Exhaust Gas Recirculation) is a mandatory equipment for all diesel vehicles and some gasoline vehicles. It is a pollution prevention device: The role of the EGR valve is to limit the emission of pollutants from your vehicle.
To do this, it works thanks to a valve that opens and closes. This allows unburned exhaust gases to be recovered, returned to the intake and re-combusted. The gases are combusted again, which limits the emissions of nitrogen oxides (NOx).
Le Exhaust gas recirculation valve gasket there to seal the valve where it connects to the exhaust system. This guarantees its tightness and prevents gas leakage. Thus, the role of the EGR valve seal is to simply prevent leaks.
For this, it is a hinge capable of withstand high temperatures which can reach several hundred degrees.
🔍 What are the symptoms of the HS EGR valve seal?
Failure of the EGR valve seal will cause valve failure and leakage. Then you will experience the following symptoms:
- Loss of vehicle power ;
- Black smoke from the exhaust ;
- Engine light is on ;
- Jerks of the car.
You will also pollute the environment more, which can lead to the abandonment of technical controls. Sealing the HS EGR valve can also result in gas overruns.
Unfortunately, all these symptoms can also appear if the exhaust gas recirculation valve itself fails. Therefore, it is recommended that you check it to see if the problem is with the valve, its valve, or the seal.
If there is a problem with the seal, it can be replaced. If, on the other hand, the problem is with the exhaust gas recirculation valve, it must be cleaned or replaced.
🛠️ How to replace the exhaust gas recirculation valve oil seal?
Replacement of the EGR valve seal must be done with an equivalent seal capable of withstanding heat. Therefore, you should not use cardboard, paper or cork spacers as this may occur on other parts of your vehicle.
Material:
- Tools
- Automotive technical review
- New exhaust gas recirculation valve gasket
Step 1. Disassemble the exhaust gas recirculation valve.
Start by locating the exhaust gas recirculation valve, usually located on the top of the engine, near the cylinders and intake. Disconnect the EGR valve according to the instructions in your vehicle datasheet, as these may differ from car to car.
Step 2: Replace the EGR valve gasket.
Remove the old gasket and clean the gasket surface well. Do not use glue, sealant or anything else, as they can get into the system and damage it. Install a new gasket and secure it.
Step 3. Assemble the EGR valve.
Apply torque and tighten the bolts in the order indicated during the inspection of your vehicle to ensure a tight seal. Reassemble what you removed in reverse order and check that the engine lamp is no longer illuminated after replacing the seal.
💰 What is the price of an exhaust gas recirculation valve seal?
The EGR valve seal is not a very expensive part. Alone, the price of the EGR valve seal isten euros O. However, in order to change it, it is necessary to add labor cost, which depends on the selected mechanic. So feel free to ask for a quote.
Now you know what the EGR valve seal is for! It is needed to ensure its tightness and prevent gas leakage. If you have a problem with your EGR valve seal, go through our garage comparator to have it replaced at the best price!
