Firenza V6-173 2.8L (1986)
NEW INPUT CARRIER BUILD: (Figure 2)
Double steel pinion washers have replaced the previously used bronze and steel washer combination used to space the pinion gear from the input carrier
housing. The new double steel combination can service all models back to the 1984 SOP model year.
DATE OF PRODUCTION CHANGE:
The steel to steel input carrier assembly was implemented into production on both the 4T60 and 4T60-E transaxles during the week of April 15, 1991
(Julian Date 098).
SERVICE PART INFORMATION:
Application
Old P/N
New P/N
Description
4T60/4T60-E
8668580
8675372
Carrier Assembly, Input
Parts are available from GMSPO.