Mike,

The lower cover screws are the drain holes, but if it were me I'd remove the rear cover and clean the old gunk out...there may be chunks of metal in there.

Mike B smile

Mike Boteler

1956 Chevy 3100 Resto Rod
1952 Willys M38 Army Jeep
1983 Jeep CJ7 Laredo
1984 Jeep CJ7
+++++
Silver Spring, MD