A fluid leak may develop from the transmission output shaft seal. This leak may cause the transmission mount to become oil soaked and require replacement of the mount along with the leak repair.Google+
Car Problem Reports
GMC Sonoma Transmission Output Seal May Leak and Mount Replacement
GMC Sonoma Problem
Drive Trains Affected: 2WD, 4WD
Average Mileage: 135,400 mi (100,800 mi - 170,000 mi)
Visitor, 2000 GMC Sonoma, 4WD, 100,800 mi
leaking outout shaft seal.