Quote Originally Posted by sirkosero View Post
^ yung sight glass is only visual indication na puno or bawas.

Kung dati, after palinis, walang bula tapos ngayon meron na, there is a high chance na may leak.

Pacheck mo using gauge manifold para malaman gano ka kulang karga.

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sight glass is also dependent on ambient temperature... best way to diagnose is a manifold gauge... also new cars has no sight glass anymore...