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A/C System - Musty Odors

Group 64
Heating and Air Conditioning

64 01 01

Woodcliff Lake, NJ
Service Engineering

January 2001

This Service Information bulletin replaces S.I. 64 08 91 dated October 1991.

SUBJECT:
Musty Odors from Air Conditioning System

MODEL:
All

SITUATION:
Under certain environmental conditions, moisture that remains/condenses on the evaporator after the vehicle's ignition is turned OFF may eventually result in a musty odor coming from the vents when the air conditioner is first switched ON.

CORRECTION:
On customer complaint basis only, apply air conditioning disinfectant to produce an environment inhospitable to microorganisms.

Disinfectant (AirPlus A/C Cleaner Scented Kit - 10531-S) that can be used to treat air conditioning systems is available through:

AirPlus USA
P.O. Box 5035 Orange,
California 92863
Phone: (714) 901-8770, or (714) 240-4359

Important Notes:
1. Follow the manufactures direction exactly.
2. Observe all precautions on container.
3. Before applying the product remove the microfilter. Reinstall (or replace if necessary) the microfilter after cleaning service was completed.