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Transmission Leak From Output Shaft Seal on GMC Envoy

Problem Description and Possible Solution

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.

Problem Data
RepairPal Verified
Average mileage: 150,000 (150,000–150,000)
3 model years affected: 1999, 2000, 2003
3 people reported this problem