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 MANUALSBUICK2010LUCERNE CXL, 3.9 MREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 127 (HEATING, VENTILATION, AND AIR CONDITIONING)REPAIR INSTRUCTIONSRECIRCULATION DOOR REPLACEMENT
2010 Buick Lucerne CXL, 3.9 M
Recirculation Door Replacement
2010 Buick Lucerne CXL, 3.9 MSECTION Recirculation Door Replacement
WARNING: This page is about a different car, the 2010 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
| Callout | Component Name |
|---|---|
|
Preliminary Procedure
|
|
| 1 | Recirculation Actuator Screw (Qty: 2)
CAUTION:
Refer to Fastener Caution
.
Tighten: 1.0 N.m (9 lb in) |
| 2 | Recirculation Actuator |
| 3 | Air Inlet Housing Door Lever |
| 4 | Air Inlet Housing Screw (Qty: 2) Tighten: 1.0 N.m (9 lb in) |
| 5 | Air Inlet Housing |
| 6 | Air Inlet Housing Door |
RENDER: 1.0x
NO RELATED
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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.