How To Tell If Valve Seals Are Leaking. Leaking valve seals result in blue-gray exhaust. The valve seal leak can.

These types of leaks are normally due to the age andor high milage of the vehicle or. HOW TO KNOW THAT YOU HAVE BAD VALVE SEALS. These seals allow the valves to move up and down while providing a thin film of.
Leaking valve seals result in blue-gray exhaust.
If you can hear a tapping or rattling noise coming from within the engine there is a good chance the noise is coming from the valves. These types of leaks are normally due to the age andor high milage of the vehicle or. Listen to your car running. I will presume the first 3 items.
