OK i juss finished doing a B18A1 swap and well i started putting Coolant in and it started coming out of the halfshaft????? where the 3 bolts screw on the bottom of the block i thought it was coming from the intake i went under that car and it was coming from behind the halfshaft what is wrong with it??? are the screws lose or do i have to put like sealant when i screw the bolt ?? is this normal!??!? need help asap!!