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:
If equipped, the LCA system is a
lane-changing aid that assists
drivers with avoiding lane change
crashes that occur with moving
vehicles in the side blind zone (or
spot) areas or with vehicles rapidly
approaching these areas from behind. The LCA warning display
will light up in the corresponding
ou
Units : Choose between Metric or
US when Units is active. Press to
confirm the setting. This will change
the displays on the DIC to the type
of measurements you select.
Speed Warning : This display is
used to set the vehicle speed at
which the speed warning chime
sounds and the alert is displayed.