Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSBUICK2013LACROSSE FWD L4-2.4LREPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGCONTROL MODULE HVACLOCATIONSHVAC CONTROL MODULE
2013 Buick LaCrosse FWD L4-2.4L
HVAC Control Module
2013 Buick LaCrosse FWD L4-2.4LSECTION HVAC Control Module
Instrument Panel/Center Console Component Views
HVAC Module Components
1 - B7H Air Temperature Sensor - Upper Left
2 - M37 Mode Door Actuator
3 - B7D Air Temperature Sensor - Lower Left
4 - K33 HVAC Control Module
5 - M4 Air Inlet Door Actuator
6 - M46 Air Recirculation Door Actuator
7 - M8 Blower Motor
8 - K8 Blower Motor Control Module
9 - B7J Air Temperature Sensor - Upper Right
10 - B39 Evaporator Temperature Sensor
11 - M6R Air Temperature Actuator - Right
12 - M6B Air Temperature Actuator - Auxiliary
13 - B7E Air Temperature Sensor - Lower Right
14 - B10B Ambient Light/Sunload Sensor
15 - M37B Mode Door Actuator - Auxiliary
16 - M6L Air Temperature Actuator - Left
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.