no
Effectually, no.
Black pepper is a common DIY temporary fix for radiator leaks. You typically need about 1-2 tablespoons of ground black pepper to pour into the radiator to help seal the leak. It is important to note that this is just a temporary solution and you will need to have the radiator properly repaired.
http://www.digi-go.biz/articles/do-you-have-any-black-pepper-for-my-radiator.html
Ground Black Pepper will, in deed, stop a small radiator leak. I've done it many times. I've NOT experienced any bad effects from doing this. If (when) leaks persist, it is time for a new radiator.
black pepper
Black Pepper is not good for your engine or radiator, so you should just get it fixed instead of taking the chance to mess up your engine. What You Should do is get it fixed right away. Fix it the right way by getting it fixed by a professional because putting black pepper in it could make more of a disaster.
black pepper,
why black pepper a herb
Black pepper is called "gol morich" in Bengal.
black pepper
The botanical name of black pepper is Piper nigrum.
Black pepper is the whole peppercorn and white pepper is the peppercorn with the shell removed. Black pepper has a black outer shell that has a strong flavor while white pepper is milder in flavor. Use white pepper in dishes such as white sauce where color makes a difference in presentation. Darker dishes will use the black pepper.