How to remove Porsche Kaman waste gas valve

1. First, pry open the four buckles at the same time with steel wires. Be careful when prying. After removing the buckle, the wastegate valve can be removed.

2. Secondly, the function of the waste gas valve is to recycle the automobile waste gas into the cylinder for combustion, which reduces the temperature in the cylinder during combustion.

3. Finally, the generation of NOX is suppressed, thus reducing the content of NOX in the exhaust gas.