A/C - Odors on Hot/Humid Start Up: Overview

Bulletin No.: T-93-75A
File in Group: 1
Number: 98
Ref.No.: 911204R
Date: July, 1993

SUBJECT:
A/C ODOR

MODELS AFFECTED:
1985-1993 DE VILLES AND FLEETWOODS
1986-1993 ELDORADOS AND SEVILLES
1987-1993 ALLANTES

This bulletin is being revised to update the "Table 1" part numbers and the 1985-1993 DeVille/Fleetwood (FWD)/Sixty Special wiring diagram.





Some 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 foreign material in the heater/evaporator case and/or microbial growth on the evaporator core. To address this condition use the "Chart A" in accordance with the year and model of the vehicle to choose the appropriate procedure(s).





For warranty purposes use Labor Operation T6235 for the appropriate time as shown on "Chart B".