Transmission Leak From Output Shaft Seal on GMC Jimmy

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.

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Average mileage: 80,498 (996–160,000)
Drive Trains affected: 4WD, Automatic Transmission
4 model years affected: 1995, 1999, 2000, 2001
7 people reported this problem
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Viewing 1 - 2 of 2 problem details
1995 GMC Jimmy - 4WD 996 mi,
need help replacing transmission pan and gasket
2000 GMC Jimmy - Automatic Transmission 160,000 mi,
leaking out of rear main seal and transmission pan itself. developed over time. Not a cheap easy fix