TrailBlazer 2WD L6-4.2L VIN S (2003)
Air Door Actuator / Motor: Technical Service Bulletins
A/C - Revised Mode Actuator Replacement Procedure
Bulletin No.: 03-01-39-013
Date: November 07, 2003
SERVICE MANUAL UPDATE
Subject:
Revised Mode Actuator Replacement Procedure
Models:
2003 Chevrolet TrailBlazer, TrailBlazer EXT
2003 GMC Envoy, Envoy XL
2003 Oldsmobile Bravada
2003 Isuzu Ascender
This bulletin is being issued to revise the Mode Actuator Replacement Procedure in the HVAC Systems with A/C - Automatic sub-section of the Service
Manual. Please replace the current information in the Service Manual with the following information.
The following information has been updated within SI. If you are using a paper version of this Service Manual, please make a reference to this bulletin
on the affected page.
Mode Actuator Replacement
Removal Procedure
1.
Remove the left floor air outlet duct. Refer to Air Outlet Duct Replacement - Floor, LH in Heating, Ventilation, and Air Conditioning.
2.
Disconnect the electrical connector from the mode actuator.
3.
Remove the screws from the mode actuator (3).
4.
Remove the mode actuator.
Installation Procedure
