Buick Regal 2018-2025 Service Manual / HVAC & Restraints / Heating, Ventilation, and Air Conditioning / Repair Instructions
Buick Regal: Repair Instructions
- Odor Correction
- Refrigerant Recovery and Recharging (R-1234yf)
- Flushing
- Air Conditioning Compressor Oil Balancing
- Air Conditioning System Seal Replacement
- Air Conditioning Evaporator Tube Replacement (LTG)
- Receiver and Dehydrator Replacement
- Heater and Air Conditioning Evaporator Case Replacement
- Air Conditioning Evaporator Replacement
- Floor Front Air Outlet Duct Replacement - Right Side
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Odor Correction
Eliminating Air Conditioning (A/C) Odor
Odors may be emitted from the heat and air conditioning system primarily at
start up in hot, humid climates.
When the blower motor fan is turned on, an unplea
Refrigerant Recovery and Recharging (R-1234yf)
Special Tools
GE-45037 A/C Oil Injector
GE-50078 Electronic Leak Detector
GE-50300 R-1234yf Air Conditioning Refrigerant Recovery/Recharge Cart
GE-50744 A/C R-1234yf PAG Oil Injector Hose
GE-507
Flushing
Tools Required
GE-45268 Air Conditioning Flushing Adapter Kit
GE-41447-a Leak Detection Dye
GE-50078 Electronic Leak Detector
GE-50300 Air Conditioning Service Center for HFO1234-yf
General Info
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Throttle Actuator Control (TAC) System Description
The engine control module (ECM) is the control center for the throttle
actuator control (TAC) system.
The ECM determines the driver's intent based on input from the accelerator pedal
position sensors, then
calculates the appropriate throttle response based on the throttle position
sensors. The
Power Outlets
Power Outlets 12-Volt Direct
Current
The 12-volt power outlets can be
used to plug in electrical equipment,
such as a cell phone or MP3 player.
The vehicle may have accessory
power outlets:
Below the climate controls.
In the cargo area, if equipped.
Open the protective cover to use the
power ou
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