A/C - Odors: Overview

90pontiac11
Bulletin Number: 90-1-16
Reference Number: 031202R
Publish Date: 5/90
Subject: AIR CONDITIONING ODOR (CLEANING PROCEDURE AND AFTERBLOW MODULE)

Models

Affected: 1987-90 6000 AND 1987-89 STE
Some of the above vehicles may experience odors emitted from the air conditioning system primarily at start up in hot, humid climates. This odor may be the result of debris in the heater/evaporator case and/or microbial growth on the evaporator core. To address this odor condition, the following equipment and procedure should be used.