K 1500 Truck 4WD V6-262 4.3L (1991)
Figure 1
Date of Production Change:
(Figure 1)
Starting May 13, 1991 (Julian Date 133), all HYDRA-MATIC 4L80-E/4L80-EHD AJP, BRP, CSP, HSP, and HTP models were built with the new
Greased Sleeve.
Service Parts Information:
Part Number
Part Description
8683922
Package, Sleeve and Seal Assembly Output
8661596
Shaft and Bushing Assembly - Output
15679617
Propshaft (model C1 with L19)
15679625
Propshaft (model G31305/6 with LB4/L05/LL4 and MT1 model G31303-
32 with L05/LL4 and C6P)
15679626
Propshaft (model G31305/6 with L1 9 model G31303-32 with C6P and
L19 model G31303-32 with C6S/C7A/C7Q)
12345879
Lubricant, Special
If the output shaft journal is not finished (ie. built before November 12, 1990 ({Julian Date 3161}), then a new Output Shaft Assembly
must be installed. Transmission must be removed from vehicle in order to replace Output Shaft Assembly with machined journal.
Parts are expected to be available on 8/19/91. Until then, normal part orders will not be accepted by GMSPO. In an emergency, contact your division
service department for the required parts order authorization.