Grand Prix V6-204 3.4L DOHC VIN X SFI (1995)
Blower Motor: Customer Interest
HVAC Blower Motor - Noise/Vibration
File In Section: 1 - HVAC
Bulletin No.: 63-11-03
Date: September, 1996
Subject:
HVAC Blower Motor Noise/Vibration
(Install New Blower Motor Assembly and/or VP Lower Compartment Access Hole Cover)
Models:
1995-96 Buick Regal
1995-96 Oldsmobile Cutlass Supreme
1994-96 Pontiac Grand Prix
Condition
Some owners may comment on noise and/or vibration from the HVAC blower motor.
Cause
This noise/vibration may be due to the blower motor being out of balance, or contents (i.e. tissues, papers, etc.) in the instrument panel (I/P) lower
compartment being drawn into the blower motor assembly through the re-circulation door during MAX A/C mode.
Correction
Important:
1996 mid-year production fix will have the following I/P lower compartment access hole cover installed. Therefore, the installation of the cover will
not be utilized in the following repair procedure.
To correct this condition, remove blower motor and inspect.
^
If no objects are found in blower motor assembly, replace motor with new internally balanced assembly following the Service Manual procedure and
install I/P lower compartment access hole cover as described in the repair procedure.
^
If objects are found in blower motor assembly, remove the object, check fan blades for damage, reinstall motor and test.
^
If blower motor is quiet, install I/P lower compartment access hole cover as described in the repair procedure.
^
If blower motor is still noisy, replace motor with new internally balanced assembly following the Service Manual procedure and install I/P lower
compartment access hole cover as described in the repair procedure.
Repair Procedure
(For I/P Lower Compartment Access Hole Cover Installation)
1.
Remove right side instrument panel insulator panel (hush panel).
2.
Remove I/P lower compartment assembly (glove box) following the Service Manual procedure and place on a protected surface.