Astro Van 2WD V6-4.3L VIN W (2001)
Air Duct: All Technical Service Bulletins
HVAC - Poor Heat Distribution in Driver Area
File In Section: 01 - HVAC
Bulletin No.: 01-01-38-003
Date: February, 2001
TECHNICAL
Subject:
Poor Heat Distribution in Driver's Area of Vehicle
(Install New Heat Diverter Ducts)
Models:
1996-2001 Chevrolet and GMC M/L-Van Models Built Prior to the VIN Breakpoints listed.
Condition
Some customers may comment that there is very little heat in the driver's area of the vehicle.
Correction
This condition may be corrected by installing a newly designed center heat duct and diverter tube. Use the following procedure and the part numbers
listed below to install the new ductwork.
1.
Remove the screw covers from the top of the instrument panel (IP) extension and remove the retaining screws.
2.
Remove the retaining nuts from the bottom of the IP extension.
3.
Remove the IP extension from under the IP by pulling the extension outward and disconnecting the electrical connector.
4.
Remove the screws (total of 3) that retain the driver's knee bolster to the IP.
5.
Disconnect the park brake release cable from the park brake assembly and remove the knee bolster from the vehicle.
6.
Place the knee bolster on a clean, flat surface with the colored side up. The knee bolster will be resting on the lower edge tabs on the bench. The
right side tab is where the tube must be attached.
