How to replace the secondary air inject check valve on Chevrolet Impala?

The replacement of both the secondary air injection shutoff and check valve begins by taking out the exhaust crossover pipe. First remove the AIR feed tube bolt from the heater inlet/outlet pipe bracket then disconnect the secondary air injection (AIR) feed tube quick connect fitting from the AIR shutoff/check valve. The next step requires the removal of the engine wiring harness electrical connector from the AIR shutoff/check valve. After suitable vehicle support you should start by removing the AIR shutoff/check valve nuts before lowering the vehicle. To remove the AIR shutoff/check valve bolts you should extract the AIR check valve together with its companion gasket that needs disposal. Install the NEW gasket onto the AIR pipe studs before you position and install the AIR check valve followed by installing the AIR shutoff/check valve bolts to a torque of 50 Nm (37 lb-ft). With the vehicle elevated, install the AIR shutoff/check valve nuts by torquing them to 10 Nm (89 lb in). Lower the vehicle during installation while you reattach the engine wiring harness electrical connector to the AIR shutoff/check valve and you should finalize by connecting the AIR feed tube quick connect fitting to the same valve. The last step involves attaching the AIR feed tube bol to the heater inlet/outlet pipe bracket while tightening it to 10 Nm (89 lb in). Next, reinsert the exhaust crossover pipe.

OEM Chevrolet Impala Air Inject Check Valve

Air Injection Reaction Check Valve

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13 Air Inject Check Valves found

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Chevrolet Impala Check Valve Part Number: 12639108
$234.85 MSRP: $477.00
You Save: $242.15 (51%)
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Product Specifications
- Other Name: Valve Assembly-Secondary Air Injection 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:
- 2014 Chevrolet Impala | Eco | 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV)
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Chevrolet Impala Check Valve Part Number: 12659290
$304.32 MSRP: $584.64
You Save: $280.32 (48%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Valve, Emission Control System; Diverter Valve; Shut-Off Valve
- Replaces: 12619123, 12609876
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2010 Chevrolet Impala | 50th Anniversary Edition, LS, LT, LTZ, Police | 6 Cyl 3.5 L FLEX, 6 Cyl 3.5 L GAS, 6 Cyl 3.9 L FLEX, 6 Cyl 3.9 L GAS
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Chevrolet Impala Diverter Valve, Passenger Side Part Number: 12633750
$165.19 MSRP: $335.52
You Save: $170.33 (51%)
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Product Specifications
- Other Name: Valve, Emission Control System; Secondary Air Injection Check Valve; Shut-Off Valve
- Position: Passenger Side
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2012-2013 Chevrolet Impala | LS, LT, LTZ, Police | 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
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Chevrolet Impala Diverter Valve, Driver Side Part Number: 12633749
$173.49 MSRP: $352.38
You Save: $178.89 (51%)
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Product Specifications
- Other Name: Valve, Emission Control System; Secondary Air Injection Check Valve; Shut-Off Valve
- Position: Driver Side
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2012-2013 Chevrolet Impala | LS, LT, LTZ, Police | 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
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Chevrolet Impala Check Valve, Passenger Side Part Number: 12652895
$172.89 MSRP: $324.68
You Save: $151.79 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Valve, Emission Control System; Secondary Air Injection Check Valve; Diverter Valve; Shut-Off Solenoid
- Position: Passenger Side
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014 Chevrolet Impala | LT, LTZ | 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
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Chevrolet Impala Check Valve, Driver Side Part Number: 12652894
$173.32 MSRP: $325.48
You Save: $152.16 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Valve, Emission Control System; Secondary Air Injection Check Valve; Diverter Valve; Shut-Off Solenoid
- Position: Driver Side
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014 Chevrolet Impala | LT, LTZ | 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
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Chevrolet Impala Check Valve Part Number: 12632977
$177.01 MSRP: $359.52
You Save: $182.51 (51%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Valve Kit, Emission Control System; Secondary Air Injection Check Valve; Diverter Valve
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014 Chevrolet Impala | LS, LT, LTZ | 4 Cyl 2.5 L GAS
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Chevrolet Impala Diverter Valve Part Number: 17072997
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 Chevrolet Impala | Base | 6 Cyl 3.8 L GAS
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Chevrolet Impala Check Valve Part Number: 12562568
Product Specifications
- Other Name: Valve Assembly-Secondary Air Injection Check; Secondary Air Injection Check Valve; Solenoid; Valve, Emission Control System
- Replaces: 22040897
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1985 Chevrolet Impala | Base | 6 Cyl 3.8 L GAS, 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L DIESEL, 8 Cyl 5.7 L GAS
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Chevrolet Impala Check Valve Part Number: 12565503
$113.21 MSRP: $203.06
You Save: $89.85 (45%)
Product Specifications
- Other Name: Valve Assembly-Secondary Air Injection Check; Secondary Air Injection Check Valve; Diverter Valve; Air Valve; A.I.R. Pipe; Emission Control System Valves (Air Injector Reactor, ECM Components, EGR Control)
- Replaces: 22040805, 22048212
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1994-1996 Chevrolet Impala | SS | 8 Cyl 5.7 L GAS
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Chevrolet Impala Diverter Valve Part Number: 17075124
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:
- 1984-1985 Chevrolet Impala | Base | 6 Cyl 3.8 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L DIESEL, 8 Cyl 5.7 L GAS
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Chevrolet Impala EGR Valve Part Number: 24508523
Product Specifications
- Other Name: Valve, Secondary Air Injection Check; Secondary Air Injection Check Valve; Check Valve; Air Control Valve; Vacuum Control Valve; Valve, Emission Control System
- Replaces: 24508415
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2000-2002 Chevrolet Impala | Base, LS | 6 Cyl 3.4 L GAS, 6 Cyl 3.8 L GAS
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Chevrolet Impala Check Valve Part Number: 22048579
Product Specifications
- Other Name: Valve Assembly, Secondary Air Injection 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 Chevrolet Impala | Base | 6 Cyl 3.8 L GAS

Chevrolet Impala Air Inject Check Valve

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An integral part of Chevrolet Impala emission control systems stands the Air Inject Check Valve which proves reliable in performance. The valve works as a vital component in engine performance because it enables fresh air into exhaust streams to help break down unburned hydrocarbons and reduce dangerous emissions. The designed function of the Air Inject Check Valve protects air injection components from harmful exhaust gases which enables proper performance throughout all Chevrolet Impala platforms. The check valve demonstrates its essential role since it can work with various Impala models to meet emission standards while improving both safety and operational effectiveness. The demanding automotive market favors the Chevrolet Impala Air Inject Check Valve because of its durable composition and reliable operation which appeals to frequent Impala car owners. The value of the Chevrolet car Air Inject Check Valve exists in its performance reliability while installation requires $60-$80 labor and its replacement costs begin at $20 and reach $440 based on material and brand selection. The overall performance and life span of a Chevrolet model heavily depend on the vital Air Inject Check Valve which enables drivers to experience cleaner yet more efficient driving conditions.

Chevrolet Impala Air Inject Check Valve Parts Questions & Experts Answers

Check Valve
12659290
Q: How to replace the secondary air inject check valve on Chevrolet Impala?
A:
The replacement of both the secondary air injection shutoff and check valve begins by taking out the exhaust crossover pipe. First remove the AIR feed tube bolt from the heater inlet/outlet pipe bracket then disconnect the secondary air injection (AIR) feed tube quick connect fitting from the AIR shutoff/check valve. The next step requires the removal of the engine wiring harness electrical connector from the AIR shutoff/check valve. After suitable vehicle support you should start by removing the AIR shutoff/check valve nuts before lowering the vehicle. To remove the AIR shutoff/check valve bolts you should extract the AIR check valve together with its companion gasket that needs disposal. Install the NEW gasket onto the AIR pipe studs before you position and install the AIR check valve followed by installing the AIR shutoff/check valve bolts to a torque of 50 Nm (37 lb-ft). With the vehicle elevated, install the AIR shutoff/check valve nuts by torquing them to 10 Nm (89 lb in). Lower the vehicle during installation while you reattach the engine wiring harness electrical connector to the AIR shutoff/check valve and you should finalize by connecting the AIR feed tube quick connect fitting to the same valve. The last step involves attaching the AIR feed tube bol to the heater inlet/outlet pipe bracket while tightening it to 10 Nm (89 lb in). Next, reinsert the exhaust crossover pipe.