A/C - Unpleasant Odors on Vehicle Start Up: Overview
Bulletin No.: 03-01-39-012Date: July 29, 2003
TECHNICAL
Subject:
Odor from A/C At Vehicle Start-Up (Remove Debris from Evaporator Case, Apply Cooling Coil Coating, and Activate or Install Delayed Blower Motor Control Module)
Models:
2001-2004 Saturn L-Series vehicles with standard HVAC (RPO C60)
2002-2003 Saturn L-Series vehicles with Automatic Climate Control (RPO C68)
Attention:
General Manager, Fixed Operations Manager, Parts Manager, Technician
Condition:
Some customers may comment on a musty odor from A/C system that may be most noticeable at vehicle start-up.
Cause:
An unpleasant (musty) odor from A/C outlets at vehicle start-up may be the result of microbial growth on the evaporator core.
Correction:
Remove any debris from the evaporator case, clean evaporator with disinfectant. For vehicles with standard HVAC (RPO C60), install delayed blower motor control module according to the appropriate procedure in this bulletin.
For vehicles with automatic climate control (RPO C68), activate delayed blower motor control according to the appropriate procedure in this bulletin.
Parts Information
Claim Information
To receive credit for this repair during the warranty coverage period, submit a claim through the Saturn Dealer System as shown.
Important:
When it is necessary to clean and disinfect the HVAC system at the same time the delayed blower control module package is installed, submit labor operation D3319 as a "related line" to failed labor operation D3316.
Disclaimer