LeSabre Estate Wagon V8-307 5.0L (1983)
Clutch: All Technical Service Bulletins
A/T - Harsh Park/Neutral to Drive Engagement
Bulletin 87-7200-5
Date June '87
Ref. No. 87-135-7200
Corp. Ref. No. 777129
SUBJECT:
HARSH PARK/NEUTRAL TO DRIVE ENGAGEMENT-- NEW DESIGN FORWARD CLUTCH
MODELS AFFECTED: ALL 1981-1987 THM 200-4R (MW9) EQUIPPED VEHICLES (EXCEPT FOR 1986-87 BRF, 1984-85 BQ, AND 1983 BR
MODELS)
BULLETIN COVERS
A 1981 through 1987 vehicle equipped with a THM 200-4R transmission may have a harsh PARK/NEUTRAL to DRIVE engagement feel. A new
design "feed/bleed" system for the forward clutch gives more cushioning during forward clutch apply. This system can be used in most THM 200-4R
applications to reduce a harsh DRIVE engagement feel.
FIGURE 1 - THM 200-4R TRANSMISSION IDENTIFICATION INFORMATION
FIGURE 2
DATE OF PRODUCTION CHANGE:
(Figures 1 and 2)
April 25, 1986 (Julian date 115), these changes were introduced for all THM 200-4R models (except model BRF):
Forward Clutch Assembly, minus check ball in housing (618) Forward Clutch Piston Assembly (622) Additional waved plate (666) Front internal gear (633)
SERVICE ACTION
If a vehicle equipped with a THM 200-4R transmission, built prior to April 25, 1986 (Julian date 115), has a harsh Park/Neutral to Drive engagement,