Caprice V8-307 5.0L (1987)
Clutch: All Technical Service Bulletins
A/T - THM 200C Harsh Gear Engagement
Number:
87-149
Section:
7A
Date:
MAY, 1987
Subject:
NEW DESIGN FORWARD CLUTCH FOR SMOOTHER PARK/NEUTRAL TO DRIVE ENGAGEMENT THM 200C
Model and Year: ALL 1984-87 VEHICLES EQUIPPED WITH THM 200C
TO:
ALL CHEVROLET DEALERS
Transmission Models:
All (Excluding 1984-85 CZ, JY)
1987 THM 200C transmissions are being built with a new design "feed/bleed" system for the forward clutch. This system gives more cushioning during
forward clutch apply and can be used on certain past models to reduce a harsh PARK/NEUTRAL to DRIVE engagement feel.
Figure 1 - THM 200C Transmission Nameplate
Figure 2 - FORWARD CLUTCH ASSEMBLY
August 4, 1986 (Julian date 216, Figures 1 and 2), these changes were introduced for all THM 200C models:
