Camaro RS V8-305 5.0L VIN E TBI (1990)
Clutch: All Technical Service Bulletins
A/T - New Low/Reverse Clutch Support Dimensions
Number:
90-223-7A
Section:
7A
Date:
April 1990
Corp. Bulletin No.: 077107
Subject:
NEW LO AND REVERSE CLUTCH SUPPORT AND SELECTIVE PLATE DIMENSIONS
Model and Year:
1990 B, F, Y CARS AND ALL TRUCKS AND VANS WITH 4L60 (700-R4) AUTOMATIC TRANSMISSION
THIS BULLETIN CANCELS AND SUPERSEDES DEALER SERVICE BULLETIN NO. 90-166-7C. THE PART NUMBER HAS BEEN
CORRECTED FOR THE NEW LO AND REVERSE CLUTCH AND SUPPORT ASSEMBLY. ALL COPIES OF 90-166-7C SHOULD BE
DISCARDED.
This bulletin covers a dimensional change in the low and reverse clutch support and its selective plates. The thickness of the low and reverse clutch
support has increased while the thickness of the selective plates has decreased. Three selective plates are available.
Figure 1
Production changes occurred in two phases which are shown below. (See Figure 1.)
Date
Part Change Implemented
November 1, 1989
Low and Reverse Clutch Support
(Julian Date 305)
February 2, 1990
Selective Plates
(Julian Date 033)
In most cases, the new low and reverse clutch assembly will only require a fifth reaction plate instead of a selective plate.