How to Perform an Air Inject Check Valve Replacement on a Chevrolet Impala?

The first step to replace the secondary air injection shutoff and check valve requires removing the exhaust crossover pipe. Detach the secondary air injection (AIR) feed tube quick connect fitting from its connection with the AIR shutoff/check valve while also removing the AIR feed tube bolt from the heater inlet/outlet pipe bracket. You should disconnect the engine wiring harness electrical connector that connects to the AIR shutoff/check valve. After supporting the vehicle properly you should take off the AIR shutoff/check valve nuts then lower the vehicle first to access and remove the AIR shutoff/check valve bolts . Remove the AIR check valve after discarding its gasket. Place a NEW gasket on the AIR pipe studs before installing the AIR check valve through positioning it correctly with subsequent tightening of the AIR shutoff/check valve bolts to 50 Nm (37 lb ft). You must raise the car while it remains supported to tighten the AIR shutoff/check valve nuts to 10 Nm (89 lb in). The engine wiring harness should be reconnected to the AIR shutoff/check valve while the vehicle remains on its lower position. Also install the AIR feed tube quick connect fitting to the AIR shutoff/check valve. Place the exhaust crossover pipe back before reattaching the heater inlet/outlet pipe bracket with the AIR feed tube bolt at 10 Nm (89 lb in).

How to service the Air Inject Check Valve for Bank 1 on Chevrolet Corvette?

Service the bank 1 air injection check valve by removing its clamp while practicing engine safety. Dismantle the check valve from both the air pipe through removal of the Air Hose. The left air pipe must be detached from its position on the manifold. Technicians should test the check valve before replacing it by connecting a Vacuum Pump to the air pump side nipple and pumping the system up to 10 in hg vacuum pressure to monitor the gauge reading. Check valve replacement is necessary if pressure drops to zero within five seconds. To perform installation attach the check valve to the air pipe and fasten it until torque reaches 23 n.m (17 lb ft). Employ a torque of 20 n.m (15 lb ft) when you install the air pipe to the Exhaust Manifold. The final step comprises attaching the Air Hose to the check valve before tightening it with a check valve clamp.

How to service the Air Inject Check Valve for Bank 2 on Chevrolet Lumina?

Service of Air Inject Check Valve for bank 2 requires engine temperature to be low to avoid burns. The service starts with removing the clamp linked to the Air Hose from the check valve before proceeding to separate the vacuum line from the check valve. The right air pipe assembly must be removed from the manifold after disconnecting it from the Exhaust Manifold adaptors and removing the air pipe bracket nut. The check valve should be separated from the air pipe by removing its two bottom bolts. Upgrade the check valve by threading two bolts through the pipe before fitting the check valve with its associated pipe to the bracket stud and manifold adaptors while securely tightening the pipe connections to the manifold adaptors. Install the bracket stud nut followed by tightening of the locknut to 10 nm (88 lb in). The vacuum line installation should be performed by connecting it to the check valve while you reinstall the clamp and attach the Air Hose to its designated valve location.

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Air Injection Reaction Check Valve

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43 Air Inject Check Valves found

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Chevrolet Check Valve
Part Number: 12659290
$304.32 MSRP: $584.64
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Product Specifications
- Other Name: Valve, Emission Control System; Diverter Valve; Shut-Off Valve
- Replaces: 12619123, 12609876
Fits the following Chevrolet Models:
- Impala | 2007-2010 | 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
- Monte Carlo | 2007 | LS, LT | 6 Cyl 3.5 L FLEX, 6 Cyl 3.5 L GAS
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Chevrolet Check Valve, Driver Side
Part Number: 12621124
$232.48 MSRP: $420.77
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Product Specifications
- Other Name: Valve, Emission Control System; Diverter Valve
- Position: Driver Side
Fits the following Chevrolet Models:
- Malibu | 2008-2010 | LS, LT | 6 Cyl 3.5 L FLEX, 6 Cyl 3.5 L GAS
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Chevrolet Check Valve, Driver Side
Part Number: 12652894
$176.30 MSRP: $319.10
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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
Fits the following Chevrolet Models:
- Impala | 2014 | LT, LTZ | 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
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Chevrolet Pulse Air Valve
Part Number: 22048208
$74.17 MSRP: $150.65
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Product Specifications
- Other Name: Valve Assembly, Secondary Air Injection Check; Valve, Emission Control System
Fits the following Chevrolet Models:
- Cavalier | 1984 | Base, CL, CS, Olympic, Type-10 | 4 Cyl 2.0 L GAS
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Chevrolet Check Valve, Passenger Side
Part Number: 12621123
$241.34 MSRP: $436.81
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Product Specifications
- Other Name: Valve, Emission Control System; Diverter Valve
- Position: Passenger Side
Fits the following Chevrolet Models:
- Malibu | 2008-2010 | LS, LT | 6 Cyl 3.5 L FLEX, 6 Cyl 3.5 L GAS
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Chevrolet Check Valve, Passenger Side
Part Number: 12652895
$175.87 MSRP: $318.32
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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
Fits the following Chevrolet Models:
- Impala | 2014 | LT, LTZ | 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
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Chevrolet Boost Sensor
Part Number: 12702113
$29.77 MSRP: $46.64
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Product Specifications
- Other Name: Solenoid, Turbocharger Boost Control Valves; Wastegate Solenoid; Intake Manifold Runner Control; MAP Sensor; By-Pass Valve; By-Pass Control Valve; Solenoid; Valve, Turbocharger/Supercharger Cooling
- Replaces: 55496241
Fits the following Chevrolet Models:
- Blazer | 2020-2024 | LT, Premier, RS | 4 Cyl 2.0 L GAS
- Trailblazer | 2021-2024 | ACTIV, LS, LT, RS | 3 Cyl 1.3 L GAS
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Chevrolet Check Valve
Part Number: 55581479
$142.91 MSRP: $224.84
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Product Specifications
- Other Name: Valve Assembly-Secondary Air Injection Check; Diverter Valve; Valve, Emission Control System
Fits the following Chevrolet Models:
- Volt | 2012-2015 | Base | 4 Cyl 1.4 L PLUG-IN HYBRID EV-GAS (PHEV)
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Chevrolet A.I.R. Pump Valve
Part Number: 12550930
Product Specifications
- Other Name: Valve, Emission Control System
Fits the following Chevrolet Models:
- Express 3500 | 1996-1999 | Base, LS | 8 Cyl 7.4 L GAS
- P30 | 1996-1999 | Base | 8 Cyl 7.4 L GAS
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Chevrolet 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
Fits the following Chevrolet Models:
- Camaro | 1993-2002 | Base, Indianapolis 500 Pace Car, Z28, Z28 SS | 6 Cyl 3.4 L GAS, 6 Cyl 3.8 L GAS, 8 Cyl 5.7 L GAS
- Caprice | 1994-1996 | Classic, Classic LS | 8 Cyl 4.3 L GAS, 8 Cyl 5.7 L GAS
- Corvette | 1997-2004 | 50th Anniversary Edition, 50th Anniversary Edition Pace Car, Base, Indianapolis 500 Pace Car, Z06 | 8 Cyl 5.7 L GAS
- Impala | 1994-1996 | SS | 8 Cyl 5.7 L GAS
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Chevrolet Check Valve
Part Number: 12556070
Product Specifications
- Other Name: Valve Assembly-Secondary Air Injection Check; Valve, Emission Control System
Fits the following Chevrolet Models:
- Silverado 1500 | 1999-2001 | Base, LS, LT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L GAS
- Silverado 2500 | 1999-2000 | Base, LS, LT | 8 Cyl 5.3 L GAS
- Silverado 2500 HD | 2001 | Base, LS, LT | 8 Cyl 8.1 L GAS
- Silverado 3500 | 2001 | Base, LS, LT | 8 Cyl 8.1 L GAS
- Suburban 1500 | 2000-2001 | Base, LS, LT | 8 Cyl 5.3 L GAS
- Suburban 2500 | 2001 | Base, LS, LT | 8 Cyl 8.1 L GAS
- Tahoe | 2000-2001 | Base, LS, LT | 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L GAS
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Chevrolet 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
Fits the following Chevrolet Models:
- C2500 | 1997-2000 | Base, Cheyenne, LS, Silverado, WT | 8 Cyl 7.4 L GAS
- C2500 Suburban | 1997-1999 | Base, LS, LT | 8 Cyl 7.4 L GAS
- C3500 | 1997-2000 | Base, Cheyenne, LS, Silverado | 8 Cyl 7.4 L GAS
- Camaro | 1984-1992 | Base, Berlinetta, Iroc-Z, LT, RS, RS Heritage Edition, Sport, Z28, Z28 Heritage Edition | 6 Cyl 2.8 L GAS, 6 Cyl 3.1 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
- Caprice | 1984-1989 | Base, Classic, Classic Brougham, Classic LS Brougham | 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
- Celebrity | 1984-1985 | Base, Classic, Estate, Eurosport | 6 Cyl 2.8 L GAS
- Citation II | 1984-1985 | Base, X-11 | 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS
- Impala | 1984-1985 | 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
- K2500 | 1997-2000 | Base, Cheyenne, LS, Silverado, WT | 8 Cyl 7.4 L GAS
- K2500 Suburban | 1997-1999 | Base, LS, LT | 8 Cyl 7.4 L GAS
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Chevrolet Diverter Valve
Part Number: 17072997
Product Specifications
- Other Name: Valve Air, Emission Control System; Secondary Air Injection Check Valve; Valve, Emission Control System
Fits the following Chevrolet Models:
- Caprice | 1984 | Classic | 6 Cyl 3.8 L GAS
- Impala | 1984 | Base | 6 Cyl 3.8 L GAS
- Monte Carlo | 1984-1986 | Base, LS | 6 Cyl 3.8 L GAS, 6 Cyl 4.3 L GAS
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Chevrolet Diverter Valve
Part Number: 17087137
Product Specifications
- Other Name: Valve, Emission Control System (ECM Components); Secondary Air Injection Check Valve; By-Pass Valve; Emission Control System (ECM & EGR Components)
Fits the following Chevrolet Models:
- Blazer | 1992-1993 | Cheyenne, Silverado | 8 Cyl 5.7 L GAS
- C1500 | 1991-1993 | 454 SS, Cheyenne, Scottsdale, Silverado, WT | 6 Cyl 4.3 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 7.4 L GAS
- C1500 Suburban | 1992-1994 | Base, Silverado | 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL
- C2500 | 1991-1993 | Cheyenne, Scottsdale, Silverado | 6 Cyl 4.3 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 7.4 L GAS
- C2500 Suburban | 1992-1994 | Base, Silverado | 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
- C3500 | 1991-1993 | Cheyenne, Scottsdale, Silverado | 8 Cyl 5.7 L GAS, 8 Cyl 7.4 L GAS
- K1500 | 1991-1993 | Cheyenne, Scottsdale, Silverado, Sport, WT | 6 Cyl 4.3 L GAS, 8 Cyl 5.7 L GAS
- K1500 Suburban | 1992-1994 | Base, Silverado | 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL
- K2500 | 1991-1993 | Cheyenne, Scottsdale, Silverado | 6 Cyl 4.3 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 7.4 L GAS
- K2500 Suburban | 1992-1994 | Base, Silverado | 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
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Chevrolet Diverter Valve
Part Number: 17075122
Product Specifications
- Other Name: Valve, Emission Control System; Secondary Air Injection Check Valve
Fits the following Chevrolet Models:
- Camaro | 1984-1986 | Berlinetta, Iroc-Z, Sport, Z28 | 8 Cyl 5.0 L GAS
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Chevrolet Diverter Valve
Part Number: 17087182
Product Specifications
- Other Name: Valve, Emission Control System (ECM Components); Secondary Air Injection Check Valve; Valve, Emission Control System
Fits the following Chevrolet Models:
- Camaro | 1987-1992 | Base, LT, RS, RS Heritage Edition, Sport | 6 Cyl 2.8 L GAS, 6 Cyl 3.1 L GAS
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Chevrolet Diverter Valve
Part Number: 17075123
Product Specifications
- Other Name: Valve Air, Emission Control System; Secondary Air Injection Check Valve; Valve, Emission Control System
Fits the following Chevrolet Models:
- Monte Carlo | 1984-1986 | Base, LS, SS | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L DIESEL
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Chevrolet 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
Fits the following Chevrolet Models:
- Caprice | 1984 | Classic | 6 Cyl 3.8 L GAS
- Impala | 1984 | Base | 6 Cyl 3.8 L GAS
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Chevrolet Check Valve
Part Number: 22050642
Product Specifications
- Other Name: Valve, Emission Control System; Secondary Air Injection Check Valve; Diverter Valve; Valve, Emission Control System (ECM, EGR Components, Valves)
- Replaces: 22099019
Fits the following Chevrolet Models:
- Astro | 1985-1991 | Base, CL, CS, LT | 4 Cyl 2.5 L GAS, 6 Cyl 4.3 L GAS
- Blazer | 1987-1993 | Cheyenne, Custom Deluxe, Scottsdale, Silverado | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
- C1500 | 1988-1993 | 454 SS, Cheyenne, Scottsdale, Silverado, WT | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 7.4 L GAS
- C1500 Suburban | 1992-1993 | Base, Silverado | 8 Cyl 5.7 L GAS
- C2500 | 1988-1993 | Cheyenne, Scottsdale, Silverado | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 7.4 L GAS
- C2500 Suburban | 1992-1993 | Base, Silverado | 8 Cyl 5.7 L GAS, 8 Cyl 7.4 L GAS
- C3500 | 1988-1993 | Cheyenne, Scottsdale, Silverado | 8 Cyl 5.7 L GAS, 8 Cyl 7.4 L GAS
- Camaro | 1987-1989 | Iroc-Z | 8 Cyl 5.7 L GAS
- G10 | 1987-1991 | Beauville, Bonaventure, Chevy Van, Sportvan | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
- G20 | 1987-1991 | Beauville, Chevy Van, Sportvan | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
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Chevrolet Diverter Valve
Part Number: 17087223
Product Specifications
- Other Name: Valve, Emission Control System; Secondary Air Injection Check Valve
Fits the following Chevrolet Models:
- Monte Carlo | 1987-1988 | Base, LS, SS | 8 Cyl 5.0 L GAS

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Chevrolet Air Inject Check Valve Parts Questions & Experts Answers

Check Valve
12659290
Q: How to Perform an Air Inject Check Valve Replacement on a Chevrolet Impala?
A: The first step to replace the secondary air injection shutoff and check valve requires removing the exhaust crossover pipe. Detach the secondary air injection (AIR) feed tube quick connect fitting from its connection with the AIR shutoff/check valve while also removing the AIR feed tube bolt from the heater inlet/outlet pipe bracket. You should disconnect the engine wiring harness electrical connector that connects to the AIR shutoff/check valve. After supporting the vehicle properly you should take off the AIR shutoff/check valve nuts then lower the vehicle first to access and remove the AIR shutoff/check valve bolts . Remove the AIR check valve after discarding its gasket. Place a NEW gasket on the AIR pipe studs before installing the AIR check valve through positioning it correctly with subsequent tightening of the AIR shutoff/check valve bolts to 50 Nm (37 lb ft). You must raise the car while it remains supported to tighten the AIR shutoff/check valve nuts to 10 Nm (89 lb in). The engine wiring harness should be reconnected to the AIR shutoff/check valve while the vehicle remains on its lower position. Also install the AIR feed tube quick connect fitting to the AIR shutoff/check valve. Place the exhaust crossover pipe back before reattaching the heater inlet/outlet pipe bracket with the AIR feed tube bolt at 10 Nm (89 lb in).
Check Valve
12565503
Q: How to service the Air Inject Check Valve for Bank 1 on Chevrolet Corvette?
A: Service the bank 1 air injection check valve by removing its clamp while practicing engine safety. Dismantle the check valve from both the air pipe through removal of the Air Hose. The left air pipe must be detached from its position on the manifold. Technicians should test the check valve before replacing it by connecting a Vacuum Pump to the air pump side nipple and pumping the system up to 10 in hg vacuum pressure to monitor the gauge reading. Check valve replacement is necessary if pressure drops to zero within five seconds. To perform installation attach the check valve to the air pipe and fasten it until torque reaches 23 n.m (17 lb ft). Employ a torque of 20 n.m (15 lb ft) when you install the air pipe to the Exhaust Manifold. The final step comprises attaching the Air Hose to the check valve before tightening it with a check valve clamp.
EGR Valve
24508523
Q: How to service the Air Inject Check Valve for Bank 2 on Chevrolet Lumina?
A: Service of Air Inject Check Valve for bank 2 requires engine temperature to be low to avoid burns. The service starts with removing the clamp linked to the Air Hose from the check valve before proceeding to separate the vacuum line from the check valve. The right air pipe assembly must be removed from the manifold after disconnecting it from the Exhaust Manifold adaptors and removing the air pipe bracket nut. The check valve should be separated from the air pipe by removing its two bottom bolts. Upgrade the check valve by threading two bolts through the pipe before fitting the check valve with its associated pipe to the bracket stud and manifold adaptors while securely tightening the pipe connections to the manifold adaptors. Install the bracket stud nut followed by tightening of the locknut to 10 nm (88 lb in). The vacuum line installation should be performed by connecting it to the check valve while you reinstall the clamp and attach the Air Hose to its designated valve location.