LeSabre V6-181 3.0L (1986)
PROM - Programmable Read Only Memory: Customer Interest
Engine - Chuggle At 35-45 MPH
Bulletin:
87-6E-30
Date:
Nov. '91
Ref. No.:
87-267-6E
Corp. Ref. No.:
106504
SUBJECT:
CHUGGLE AT 35-45 MPH WITH THE TORQUE CONVERTER CLUTCH ENGAGED (REVISED CALIBRATION PROM) 1986-87 MODELS
WITH 3.8L ENGINE
MODELS AFFECTED:
1986/87 CENTURY WITH 2.84 AXLE RATIO 1986/87 LESABRE WITH 2.73 AXLE RATIO 1986 PARK AVENUE WITH 2.84 AXLE RATIO
1987 PARK AVENUE WITH 2.73 AXLE RATIO
Some owners of 1986 and 1987 Century, LeSabre, and Park Avenue models equipped with 3.8L (code B and 3) engine and standard axle ratio may
experience a condition of chuggle at 35-45 MPH with the torque converter clutch engaged. If the condition cannot be repaired using currently published
service and diagnostic procedures, it may be necessary to install a revised calibration prom.
The proms are currently available through GMSPO under the following numbers.
PROM
PROM
PROM
TRANSAXLE AXLE
SERVICE
SCANNER
BROADCAST
YEAR
SERIES
RATIO
PART NO.
I.D. NO.
CODE
1986
Century
F17/2.84
16158376
8394
AWWY
(Fed. & Calif.)
1986
LeSabre
FP3/2.73
16158375
8404
AWWZ
(Fed. & Calif.)
1986
Electra
F17/2.84
16158377
8384
AWWX
(Non T-Type
(Fed. & Calif.)
models only)
1987
LeSabre/
FP3/2.73
16158373
8414
AWXA
Electra
(Fed. & Calif.)
1987
Century
F17/2.84
16158372
8424
AWXB
(Fed. & Calif.)
WARRANTY INFORMATION:
Use applicable labor operation and time.
