LeSabre V6-181 3.0L (1986)
Case: All Technical Service Bulletins
A/T - Harsh 1-2 Shift
Bulletin:
87-7440-14
Date:
Nov.: '87
Ref. No.: 87-192-7440
Corp. Ref. No.: 777147
SUBJECT:
HARSH 1-2 SHIFT
MODELS AFFECTED: 1984-87 CENTURYS, LESABRES, ELECTRAS AND RIVIERAS EQUIPPED WITH THM 440-T4 (ME9) TRANSAXLES
BULLETIN COVERS
A harsh 1-2 shift condition on a THM 440-T4 transaxle may be caused by a blocked or partially drilled 2nd clutch feed passage in the case. This
condition may be repaired by following the Service Action information in this bulletin.
FIGURE 1 - BOTTOM PAN, FILTER, ACCUMULATOR AND GOVERNOR COVER ASSEMBLY
SERVICE ACTION
Before removing the transaxle from the vehicle, inspect the 2nd clutch feed passage for blockage or a partially drilled condition. To perform this
inspection, remove the following items (refer to Figure 1):
Transaxle Bottom Pan (59) Filter (58) Accumulator Cover (121) With Governor Pipes (124, 125) Governor Pipe Retainer (129) Accumulator Cover
Spacer Plate (120) Gaskets (119)
