323 L4-1600 1597cc (1986)
Muffler: Customer Interest
Exhaust - Interior Resonance Noise
Category
Applicable Model/s
Subject
MODIFICATION
Bulletin No.
024/87
1
1986-87 323
FOR EXHAUST RESONANCE NOISE
Issued
4/9/87
Revised
7/2/87
DESCRIPTION
To reduce the interior resonance noise, a bracket is now being installed on the main silencer rear hanger as shown below.
VIN OF PRODUCTION CHANGE
PARTS INFORMATION
The revised section is indicated by an asterisk. Please replace the original bulletin with this revised bulletin.
FIELD REPAIR
The following two modifications have been developed for use as a field repair when you receive a customer complaint related to interior resonance noise
in certain RPM range.
A main silencer bracket kit to help lower the noise level around the 3800 rpm range. A new No. 3 engine mount to help lower the noise level around the
4200 rpm range.
Use these measures if you have a customer complaint relating to interior noise in these RPM ranges.
