Fleetwood V8-350 5.7L DSL VIN N FI (1982)
Clutch: Customer Interest
A/T - Harsh Park/Neutral-to-Drive Engagement
Bulletin No. T
88-6
File in Group
7
Number
168
Corp. Ref. No.
777129
Date
Sept. '87
SUBJECT:
HARSH PARK/NEUTRAL-TO-DRIVE ENGAGEMENT - THM 200-4R
MODELS AFFECTED: 1982-1987 RWD DE VILLE AND BROUGHAM
Some 1982-1987 RWD De Villes and Broughams may exhibit harsh park/neutral-to-drive engagement feel. A new design feed/bleed system for the
forward clutch, which gives more cushioning during clutch apply, was introduced in production on April 25, 1986 (Julian Date 115). for all THM
200-4R transmissions.
The new system includes the following component changes:
^
Forward clutch assembly, minus check ball in housing
^
New forward clutch piston assembly
^
Additional wave plate
^
New front internal gear
To repair a condition of harsh park/neutral-to-drive engagement, the following service parts have been released:
Breakpoint
Part Number
Description
Built Before April 25, 1986
8639943
Forward clutch assembly complete, front
(Julian Date 115)
internal gear and thrust washer.
Built After April 25, 1986
8657257
Forward clutch assembly complete,
(Julian Date 115)
8639947
Front internal gear and thrust washer
(Can be used on all model years)
NOTE:
Earlier design front internal gears, (Service Package P/N 8630909), cannot be used with THM 200-4R models built after April 25, 1986
(Julian Date 115).
FIGURE 1