Beretta L4-138 2.3L DOHC QUAD 4 (1991)
Speaker: All Technical Service Bulletins
Speakers (Front) - Imbalance Condition
Number:
91-368-9A
Section:
9A
Date:
JULY 1991
Corporate Bulletin No.: 139010
Subject:
FRONT SPEAKER IMBALANCE
Model and Year:
1991 CORSICA AND BERETTA
Condition:
Some 1991 "L" vehicles built from:
Start of production to MY204943 Wilmington Plant, Start of production to ME168097 Linden Plant may experience an imbalance
condition of the front speakers. With this condition, the left speaker may sound quieter with less bass.
Cause:
A capacitor was added in production to the left front speaker to eliminate vibrations to the driver's left foot. A revised speaker panel
is available which allows for the removal of this capacitor and restore volume balance perception.
Correction:
Replace Left front speaker/shroud panel as described in the Chevrolet Service Manual Section 10-5 and discard in-line capacitor.
Part Number
COLOR
Interior Color Code
22577077
BLACK
19 I
22577079
SAPPHIRE
20 I
22577081
GARNET
78 I
22577085
GRAY
82 I
22577746
Retaining nuts, 4 Required
Parts are currently available from GMSPO.
Labor Operation Number:
C2601
Use applicable labor time guide for labor hours.
Trouble Code:
92