K 1500 Truck 4WD V8-379 6.2L DSL VIN J FI (1992)
Important
The new vent tube must be installed facing forward pointing up 15 to 35 degrees from horizontal. Refer to the existing vent tube for correct position.
The following parts are not reusable and must be replaced upon reassembly:
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Mainshaft nut (28 or 32)
-
Rear retainer (extension) bolts (33)
-
Drive gear bearing retainer bolts (113)
-
Mainshaft bearing retainer plate bolts (128)
The following fastener tightening specifications update the 1991 and 1992 Unit Repair Manual and should be used:
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Countershaft retainer plate-to-case bolts 35 N-m (26 lbs.ft.)
-
Mainshaft retainer plate-to-case bolts
35 N-m (26 lbs.ft.)
-
Main drive gear retainer-to-case bolts
31 N-m (23 lbs.ft.)
-
Shift cover-to-case bolts
28 N-m (21 lbs.ft.)
-
Rear (extension) oil retainer-to-case bolts
54 N-m (40 lbs.ft.)
-
Vibration damper mounting nut
(4WD)
441 N-m (325 lbs.ft.)
-
Yoke assembly mounting nut
(2WD)
441 N-m (325 lbs.ft.)
Sealants which should be used for reassembly are noted below:
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P/N 1052942 Anaerobic sealant
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Shift cover-to-case flange
-
Rear extension housing-to-case flange
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Main drive gear bearing retainer-to-case flange
-
P/N 12346004 Pipe sealant with TEFLON
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Drain and fill plugs
-
Main drive gear bearing retainer bolts (circle the retainer bolt holes with sealant)
Important
This transmission requires a special synthetic lubricant P/N 12345871. Do NOT substitute any other lubricant as internal transmission damage may
occur.