INFORMATION
Subject:
Revised HVAC
Blower Motor Installation
Procedures
Models:
1994-1997 Cadillac Seville
1994-1999 Cadillac
DeVille
1994-2002 Cadillac Eldorado
The intent of this bulletin is to
provide technicians information regarding the proper installation of the
Heating, Ventilation and Air Conditioning (HVAC) Module blower motor (with
impeller) assembly.
The current available HVAC Module blower
motor for the above listed vehicles can be identified by the three mounting
holes (1). The original equipment blower motor had five mounting
holes.
In order to avoid confusion and ensure a high level of customer
satisfaction,
when replacing an
HVAC Module blower motor, refer to this bulletin for the appropriate
procedure.
Eldorado/Seville-HVAC Blower MotorCaution: Before servicing any electrical
component, the ignition key must be in the OFF or LOCK position and all
electrical loads must be OFF, unless instructed otherwise in these procedures.
If a tool or equipment could easily come in contact with a live exposed
electrical terminal, also disconnect the negative battery cable. Failure to
follow these precautions may cause personal injury and/or damage to the vehicle
or its components.
Removal Procedure
1. Disconnect the negative
battery cable.
2. Remove the camshaft cover.
3. Remove the blower
motor.
^ Disconnect connector from the blower motor.
^ Remove the
blower motor screws (either 3 or 5 screws).
^ Remove the blower motor
from the HVAC Module.
Installation Procedure
1. If present, remove the
2 ribs located on the barrier. Refer to Step 3 and the illustrations in the
Instruction Sheet, P/N 52494110, found in the blower motor
kit.
Important: Ensure the blower motor gasket makes a complete seal
around the blower motor.
2. Install the new blower motor with heat
shield. Refer to Steps 4 and 5 in the Instruction Sheet, P/N 52494110, found in
the blower motor kit.
3. Install the blower motor retaining
screws.
Tighten
Tighten the screws to 4 N.m (35 lb in).
4.
Tighten the lower heat shield retaining screws to 4 N.m (35 lb in).
5.
Connect the connector to the blower motor.
6. Install the camshaft
cover.
7. Connect the negative battery cable.
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