Transmission Leak From Output Shaft Seal on GMC Sonoma

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: 164,191 (100,000–300,000)
Drive Trains affected: 2WD, 4WD, Manual Transmission
14 model years affected: 1991, 1992, 1993, 1994, more1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
21 people reported this problem
3 people shared problem details
1997 GMC Sonoma- 2WD186,543
Leaking transmission fluid from the top of the trany topmount soak with fluid
1998 GMC Sonoma- 2WD300,000
When I am putting my truck in first it won't go it will make a loud grinding sound an were does the trans. mission fluid add at
2000 GMC Sonoma- 4WD100,800
leaking outout shaft seal.
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