water leak
To seal in moisture and flavor.
you said so
A bad seal or a crack is letting moisture get in.
It has a bad seal or a crack allowing moisture to get in.
Not enough clear information ! - Rear main seal on WHAT - ? ?
Yep, they have one. 1986 and older has a two piece rear main seal. 1987 and up has a one piece rear main seal.
Rubber.
how do you change a rear main seal in a Chevy 350 motor
remove transmission, remove rear main seal, install new rear main seal, install transmission.
Seal has been compromised. Buy new headlamps.
I personally use olive oil to seal the moisture in my hair.
Moisture can accumulate in any headlight, most likely the cause is a bad seal between the two pieces of the fixture.