How to replace the EGR valve on 2005 Buick Century?

To change the EGR valve, unscrew the electrical connector, unscrew the EGR pipe bolt and push the entire pipe assembly back. Disassemble the EGR valve, including the bolts, and the valve, followed by cleaning a surface of the gasket. Installation of the new gasket and valve, and connecting it by bolts and reconnecting the electrical connector.

OEM 2005 Buick Century EGR Valve

Emissions EGR Valve

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2005 Buick Century EGR Valve Part Number: 12633889
$139.68 MSRP: $283.70
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Product Specifications
- Other Name: Valve, Emission Control System; Exhaust Gas Recirculation (EGR) Valve; EGR Vacuum Solenoid
- Replaces: 12581876, 12565309, 12613270, 24508966, 12573722
- Item Weight: 3.20 Pounds
- Item Dimensions: 10.2 x 4.2 x 4.2 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12633889
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2005 Buick Century Submodels:
- Custom, Limited, Special Edition | 6 Cyl 3.1 L GAS

2005 Buick Century EGR Valve

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2005 Buick Century EGR Valve Parts and Q&A

Q: How to replace the EGR valve on 2005 Buick Century?
A: To change the EGR valve, unscrew the electrical connector, unscrew the EGR pipe bolt and push the entire pipe assembly back. Disassemble the EGR valve, including the bolts, and the valve, followed by cleaning a surface of the gasket. Installation of the new gasket and valve, and connecting it by bolts and reconnecting the electrical connector.