K 2500 Truck 4WD V8-379 6.2L DSL VIN C FI (1989)
Fluid - A/T: All Technical Service Bulletins
M/T - Gear Oil Smell In Vehicles
GMC NUMBER:
89-T-83
GROUP:
7B - Manual Transmission
DATE:
July, 1989
CORPORATE
NUMBER:
977202
SUBJECT:
GEAR OIL SMELL IN VEHICLES WITH REMOTE VENTS (PROPER SERVICE FLUID)
MODELS:
1968-1989 C/K, P AND V TRUCKS WITH HM-117 TRANSMISSIONS
BULLETIN COVERS:
New service fluid for all vehicles equipped with a HM-117 transmission. This new fluid reduces the potential for gear oil smell in a vehicle equipped
with a remote vent.
SERVICE PARTS INFORMATION:
Part No.
Description
12345577
Lubricant, Manual Transmission
.68L (23 oz.)
Parts are currently available from GMSPO.
SERVICE NOTES:
Whenever an HM-117 transmission is serviced for gear oil smell, use only the transmission fluid described above. Do not use automatic transmission
fluid or engine oil, as foaming out the vent and subsequent comments of gear oil smell may occur.
