How to replace the Air Inject Check Valve for Bank 2 on Cadillac DeVille?

Before starting the air shut-off valve for bank 2 replacement you must detach the air cleaner assembly and disconnect all vacuum lines. The technician should disconnect the hose from the bank 2 shut-off valve by loosening the pinch clamp which connects the bank 2 intermediate pipe/hose to the valve. The procedure involves unfastening the two nuts which secure the bank 2 air shut-off to the bracket and extracting the bank 2 air shut-off valve from its bracket. To install the bank 2 air shut-off valve you must place it on the bank 2 outlet pipe using a new gasket while following the fastener notice in service precautions. Secure the bank 2 shut-off valve with two nuts onto the bracket before tightening both the two nuts together with the three additional nuts to 9 n.m (80 lb in). Reinstall the air cleaner assembly after rejoining the bank 2 intermediate pipe through its hose and clamp to the shut-off valve followed by vacuum line reconnection.

OEM Cadillac DeVille Air Inject Check Valve

Air Injection Reaction Check Valve

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8 Air Inject Check Valves found

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Cadillac DeVille Diverter Valve Part Number: 17075280
$190.25 MSRP: $513.83
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Product Specifications
- Other Name: Valve Air, Emission Control System; Secondary Air Injection Check Valve
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985-1986 Cadillac DeVille | Base, Cabriolet, d'Elegance, Touring | 8 Cyl 4.1 L GAS
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Cadillac DeVille Check Valve Part Number: 12619127
$273.24 MSRP: $554.98
You Save: $281.74 (51%)
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Product Specifications
- Other Name: Valve, Emission Control System; Secondary Air Injection Check Valve; Diverter Valve
- Replaces: 12583069, 12584623
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2005 Cadillac DeVille | Base, DHS, DTS, Protection Series | 8 Cyl 4.6 L GAS
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Cadillac DeVille Check Valve Part Number: 22040899
Product Specifications
- Other Name: Valve Assembly-Air Injector Check; Secondary Air Injection Check Valve; Diverter Valve; Valve, Emission Control System
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1990 Cadillac DeVille | Base, Cabriolet, d'Elegance, Touring | 8 Cyl 4.1 L GAS, 8 Cyl 4.5 L GAS
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Cadillac DeVille Diverter Valve Part Number: 17087225
Product Specifications
- Other Name: Valve, Emission Control System; Secondary Air Injection Check Valve; Air Control Valve
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1987-1989 Cadillac DeVille | Base, d'Elegance, Touring | 8 Cyl 4.1 L GAS, 8 Cyl 4.5 L GAS
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Cadillac DeVille Diverter Valve Part Number: 17071106
Product Specifications
- Other Name: Valve Air, Emission Control System; Secondary Air Injection Check Valve; Valve, Emission Control System
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984 Cadillac DeVille | Base, Cabriolet, d'Elegance | 8 Cyl 4.1 L GAS
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Cadillac DeVille Check Valve Part Number: 12568136
Product Specifications
- Other Name: Valve Assembly-Secondary Air Injection Check; Diverter Valve; Valve, Emission Control System
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001-2003 Cadillac DeVille | Base, DHS, DTS | 8 Cyl 4.6 L GAS
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Cadillac DeVille Check Valve Part Number: 12559826
Product Specifications
- Other Name: Valve Assembly-Secondary Air Injection Check; Diverter Valve; Valve, Emission Control System
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2000-2004 Cadillac DeVille | Base, DHS, DTS, Protection Series | 8 Cyl 4.6 L GAS
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Cadillac DeVille Check Valve Part Number: 12557976
Product Specifications
- Other Name: Valve Assembly-Secondary Air Injection Check; Diverter Valve; Valve, Emission Control System
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2000 Cadillac DeVille | Base, DHS, DTS | 8 Cyl 4.6 L GAS

Cadillac DeVille Air Inject Check Valve

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In Cadillac Deville vehicles the essential emission control device is the Cadillac Deville Air Inject Check Valve which stands known for both its reliability and automobile performance capabilities. The valve increases engine efficiency because it lets fresh air flow into the exhaust stream to help burn unburned hydrocarbons and lower damaging emissions. The Cadillac Deville Air Inject Check Valve functions to protect the air injection system from exhaust gases complete through its designed operation on all Deville vehicle models. Its broad support for different Cadillac Deville versions makes this component critical for emission standard compliance and enhancing safety together with efficiency performance. The Cadillac Deville Air Inject Check Valve demonstrates superior market performance because it shows resistance to automotive demand conditions. The car Air Inject Check Valve makes a crucial but affordable investment because its replacement costs between $20 and $440 depending on brand and material type and its installation prices fall within a range of $60 to $80. The design of this component shows Cadillac model owners that their vehicle has been built for quality which provides peace of mind about its long-term performance quality. As a result the car Air Inject Check Valve showcases the automaker's dedication to automotive innovation which helps establish the brand's leadership position in the industry.

Cadillac DeVille Air Inject Check Valve Parts and Q&A

Check Valve
12568136
Q: How to replace the Air Inject Check Valve for Bank 2 on Cadillac DeVille?
A:
Before starting the air shut-off valve for bank 2 replacement you must detach the air cleaner assembly and disconnect all vacuum lines. The technician should disconnect the hose from the bank 2 shut-off valve by loosening the pinch clamp which connects the bank 2 intermediate pipe/hose to the valve. The procedure involves unfastening the two nuts which secure the bank 2 air shut-off to the bracket and extracting the bank 2 air shut-off valve from its bracket. To install the bank 2 air shut-off valve you must place it on the bank 2 outlet pipe using a new gasket while following the fastener notice in service precautions. Secure the bank 2 shut-off valve with two nuts onto the bracket before tightening both the two nuts together with the three additional nuts to 9 n.m (80 lb in). Reinstall the air cleaner assembly after rejoining the bank 2 intermediate pipe through its hose and clamp to the shut-off valve followed by vacuum line reconnection.