Problem Reports
Chevrolet S10 Blazer
Report: Transmission Output Seal May Leak Fluid
Chevrolet S10 Blazer Problem
Model Years Affected: 1990, 1991, 1992, 1993, 1994
Drive Trains Affected: 2WD, 4WD
Average Mileage: 171,499 mi (145,000 mi - 197,999 mi)
The transmission output shaft seal may leak transmission fluid. On 2WD models, this leak can cause the transmission mount to become oil soaked, which will require replacement of the mount along with the leak repair. On 4WD models, if this seal leaks, the fluid will leak into the transfer case, causing it to become overfull.
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Report #1mpcroley, 1990 Chevrolet S10 Blazer, 4WD, 197,999 mi
RookieAbout every 3 weeks I have to add 1 or 2 quarts of transmission fluid. Its not leaking onto the ground,because I would see it on the snow at home or work! could it be that it is overfilling into the transfer case? if so, how what damage will that cause?
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Report #2AdamKB, 1993 Chevrolet S10 Blazer, 2WD, 145,000 mi
Enthusiastautomatic transmission
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