i-350 L5-3.5L (2006)
Blower Motor: Customer Interest
A/C - Blower Motor Whirring/Chirping Noises
2007 Service Bulletins
TSB SB07-12-S001
ISSUE DATE: FEBRUARY 2007
Excessive Blower Motor Clicking/Chirping/ Whirring Or Ticking Noises On Low Speed (This Bulletin Supersedes SB06-12-S001)
Affected Vehicles
2007 Isuzu i-290/i-370 (TI)
2006 Isuzu i-280/i-350 (TI)
Service Information
This bulletin is being revised to add the 2007 Model Year.
Condition:
Some customers may comment on excessive or annoying blower motor noise on low fan speed. Sounds may include ticking, chirping, clicking or
whirring noises.
Possible Cause:
The blower motor is located within the vehicle under the passenger side lower I/P. This location, while allowing for increased serviceability, does not
offer much isolation from blower motor noise.
Correction:
Install blower motor sound insulator cover.
Service Procedure
To reduce the noise level from the blower motor, install a blower motor sound insulator cover using the following procedure.
1.
Remove the front passenger door sill molding.
2.
Remove the front passenger side interior kick panel molding.
3.
Remove the front passenger interior floor courtesy light.
4.
Remove the BCM connector facing the blower motor.
5.
Remove the wire retaining metal clip from the BCM harness.
6.
Install the molded insulator to the blower motor. Refer to the illustration. The insulator may need to be flexed in order to be properly situated on
