How to replace the air hose outlet duct on Buick Lucerne?

To replace the air cleaner outlet duct, you will have to remove the intake manifold cover. Remove the mass air flow (MAF)/intake air temperature (IAT) sensor engine harness electrical connector from the pcv tube quick connect fitting on the air cleaner outlet duct. Loose the air cleaner outlet duct clamp at the Throttle Body and remove the duct from the Throttle Body and then loose it from the maf/iat sensor and removing it from the vehicle. In installing, align the air cleaner outlet duct to the vehicle and the maf/iat sensor, then tighten the clamp at the maf/iat sensor to 4.n.m (35 lb in). Next, connect the duct to the Throttle Body and tighten the corresponding clamp to the same torque specification. Join pcv tube quick connect fitting to the air cleaner outlet duct and the maf iat sensor engine harness electrical connector. Finally, install the intake manifold cover back onto its position.

OEM Buick Lucerne Air Hose

Air Inlet Duct

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Buick Lucerne Outlet Duct
Part Number: 25797131
$19.66 MSRP: $29.26
You Save: $9.60 (33%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Duct, Air Cleaner And Silencer
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009-2011 Buick Lucerne | CX, CXL, CXL Special Edition | 6 Cyl 3.9 L FLEX, 6 Cyl 3.9 L GAS
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Buick Lucerne Air Hose
Part Number: 20758643
$91.07 MSRP: $142.65
You Save: $51.58 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose Assembly-Secondary Air Injection Pump; Hose, Emission System
- Replaces: 15870714
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009-2010 Buick Lucerne | CX, CXL, CXL Special Edition | 6 Cyl 3.9 L FLEX, 6 Cyl 3.9 L GAS
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Buick Lucerne Outlet Duct
Part Number: 21999614
Product Specifications
- Other Name: Duct, Air Cleaner And Silencer
- Replaces: 10356582
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2011 Buick Lucerne | CXL, CXS, Super | 8 Cyl 4.6 L GAS
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Buick Lucerne Outlet Duct
Part Number: 10356581
Product Specifications
- Other Name: Duct-Air Cleaner Outlet; Duct, Air Cleaner And Silencer
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2008 Buick Lucerne | CX, CXL | 6 Cyl 3.8 L GAS

Buick Lucerne Air Hose

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Buick Lucerne Air Hose Parts Questions & Experts Answers

Outlet Duct
21999614
Q: How to replace the air hose outlet duct on Buick Lucerne?
A: To replace the air cleaner outlet duct, you will have to remove the intake manifold cover. Remove the mass air flow (MAF)/intake air temperature (IAT) sensor engine harness electrical connector from the pcv tube quick connect fitting on the air cleaner outlet duct. Loose the air cleaner outlet duct clamp at the Throttle Body and remove the duct from the Throttle Body and then loose it from the maf/iat sensor and removing it from the vehicle. In installing, align the air cleaner outlet duct to the vehicle and the maf/iat sensor, then tighten the clamp at the maf/iat sensor to 4.n.m (35 lb in). Next, connect the duct to the Throttle Body and tighten the corresponding clamp to the same torque specification. Join pcv tube quick connect fitting to the air cleaner outlet duct and the maf iat sensor engine harness electrical connector. Finally, install the intake manifold cover back onto its position.