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GMC Sonoma Problems

Transmission Leak From Output Shaft Seal on GMC Sonoma

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.

(24 people reported this problem)

GMC Sonoma Vehicles With This Problem

RepairPal Verified
Average mileage: 157,426 (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
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Viewing 1-4 of 4 comments
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
Transmission fluid leaking from connection of Transfer case to Transmission. Have yet to repair.