A/C - Odor at Start Up in Hot Humid Climates: Overview
90buick11 Bulletin 90-1-15Date July, '90
Ref. No. 90-162-1
Corp. Ref. No. 031208
SUBJECT: A/C ODOR (CLEANING PROCEDURE AND AFTERBLOW MODULE)
MODELS AFFECTED: 1988-90 REGALS
CONDITION:
Odors emitted from the Air Conditioning system primarily at start up in hot, humid climates.
CAUSE:
Debris in the heater/evaporator case and/or microbial growth on the evaporator core.
CORRECTION:
Clean the evaporator core and install an afterblow module, using the following equipment and procedure.