Buick Regal: Heater and Air Conditioning Evaporator Case Replacement
Removal Procedure
1. Heater and Air Conditioning Evaporator and Blower Module - Remove.
2.
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{ If equipped }Auxiliary Heater Core(2) - Remove.
3.
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Heater Core(1) - Remove.
4.
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Heater and Air Conditioning Evaporator Case Bolt(1) - Remove[5x].
5.
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Heater and Air Conditioning Evaporator Case(1) - Remove.
6. Unlock the retaining tabs.
7. Transfer components as necessary.
Installation Procedure
1.
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NOTE: This step only needs to be performed if the vehicle is equipped
with an
auxiliary heater core.
Cut out the auxiliary heater core cover along the marked line (1) from the
new heater and air conditioning
evaporator case.
2.
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Heater and Air Conditioning Evaporator Case(1) - Install.
3.
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CAUTION: Fastener Caution
Heater and Air Conditioning Evaporator Case Bolt(1) - Install and tighten[5x]
2.5N.m (22 lb in).
4.
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Heater Core(1) - Install.
5.
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{ If equipped }Auxiliary Heater Core(2) - Install.
6. Heater and Air Conditioning Evaporator and Blower Module - Install.
READ NEXT:
Removal Procedure
1. Air Conditioning Evaporator and Blower Case Replacement - Remove.
2.
Heater and Air Conditioning Evaporator and Blower Upper Case Bolt(1) -
Remove[11x].
3. Heater and Air Cond
Preliminary Procedure
Instrument Panel Lower Trim Panel Insulator Replacement.
Floor Front Air Outlet Duct Bolt
CAUTION: Refer to Fastener Caution.
Tighten
1.5 N.m (13 lb in)
Floor Front Air Ou
SPECIAL TOOLS
BO-38185
J-38185
Hose Clamp Pliers
GE-8800
J-43600
ACR 2000 Air
Conditioning
Service Center
GE-39400-A
J-39400-A
Halogen Leak
Detector
GE-41447
J-41447
R-134a/R123yf
A/C Tracer Dye -
SEE MORE:
Removal Procedure
WARNING: Brake Fluid Irritant Warning
CAUTION: Brake Fluid Effects on Paint and Electrical Components Caution
1. Place the ignition switch in the OFF position.
2. Remove the battery.
3. Without draining the coolant and without disconnecting the hoses, position
aside the radiator
SEAT BELT SYSTEM DESCRIPTION AND OPERATION
Seat Belts
Solid Line - Hard Wire I/O
Dash Line - Serial Data
A11 - Radio
B88D - Seat Belt Switch - Driver
B88P - Seat Belt Switch - Passenger
K36 - Inflatable Restraint Sensing and Diagnostic Module
K85 - Passenger Presence Detection Module
P16 - Instrume