The automatic transmission accumulator cover can leak due to a failed o-ring. Replacing the o-ring and cover will commonly correct this issue.Google+
Car Problem Reports
Isuzu Rodeo Failed O-rings Can Cause Accumulator Cover to Leak on Automatic Transmissions
Isuzu Rodeo Problem
Drive Trains Affected: 2WD, 4WD
Average Mileage: 98,131 mi (76,526 mi - 122,000 mi)
Visitor, 1999 Isuzu Rodeo, 98,000 mi
leakng fluid from accumalator seal.cant find a parts place that has one.everybody thinks im crazy when i say accumalator seal on tranny.