How to service and repair the intake air duct on 2002 Ford Expedition?

The first step for intake air duct service and repair involves removing the accelerator control splash shield after unbolting it. First remove the electrical connector of the Intake Air Temperature (IAT) sensor and then disconnect the positive crankcase ventilation hose and the idle air control valve inlet tube. The clamps need loosening to detach the air cleaner outlet tube and resonator. Follow the reverse order of removal to install the parts while confirming tight sealing of the air cleaner outlet tube to avoid engine intake of unmetered air.

OEM 2002 Ford Expedition Air Duct

Air Hose

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2002 Ford Expedition Outlet Tube
Part Number: 3L3Z-9B659-AA
$225.98 MSRP: $331.83
You Save: $105.85 (32%)
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Product Specifications
- Other Name: Hose - Air; Engine Air Intake Hose
- Manufacturer Note: Resonator & tube assy.
- Replaces: F75Z-9B659-AA
- Base No.: 9F805
- Item Weight: 3.30 Pounds
- Item Dimensions: 5.2 x 17.2 x 15.7 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 3L3Z-9B659-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
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Fits the following 2002 Ford Expedition Submodels:
- Eddie Bauer, XLT | 8 Cyl 4.6 L GAS, 8 Cyl 5.4 L GAS
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2002 Ford Expedition Intake Tube
Part Number: XL1Z-9F843-AA
Product Specifications
- Other Name: Tube - Air Inlet; Engine Air Intake Hose; Intake Coupling; Inlet Tube; Air Intake Hose
- Manufacturer Note: Rubber air cleaner inlet, DOHC
- Base No.: 9F843
- Item Weight: 1.00 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: XL1Z-9F843-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
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Fits the following 2002 Ford Expedition Submodels:
- Eddie Bauer, XLT | 8 Cyl 4.6 L GAS, 8 Cyl 5.4 L GAS

2002 Ford Expedition Air Duct

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2002 Ford Expedition Air Duct Parts Questions & Experts Answers

Q: How to service and repair the intake air duct on 2002 Ford Expedition?
A: The first step for intake air duct service and repair involves removing the accelerator control splash shield after unbolting it. First remove the electrical connector of the Intake Air Temperature (IAT) sensor and then disconnect the positive crankcase ventilation hose and the idle air control valve inlet tube. The clamps need loosening to detach the air cleaner outlet tube and resonator. Follow the reverse order of removal to install the parts while confirming tight sealing of the air cleaner outlet tube to avoid engine intake of unmetered air.