NHTSA (USA)Critical
1995 GMC SIERRANHTSA Campaign #95V026000
The official notice
Defect
DUE TO A THIN CASE CASTING, AN EXTERNAL TRANSMISSION LEAK CAN OCCUR.
Safety Risk
THIS CONDITION CAN CAUSE TRANSMISSION OIL TO SPRAYONTO THE EXHAUST SYSTEM AND RESULT IN A POSSIBLE VEHICLE FIRE.
Remedy
DEALERS WILL INSPECT THE TRANSMISSION CASE ASSEMBLY FOR THE INVOLVED CASE CASTING. IF THE ASSEMBLY IS INVOLVED, THE TRANSMISSION WILL BE REPLACED.
Updated June 10, 2026