How to Service and Repair the Air Inject Check Valve on Buick LeSabre?

The first step to replace the Secondary Air Injection (AIR) Shut-Off Valve includes removing the vacuum hose from the combination valve. First uncork then lower the clamp on the AIR pump exhaust hose followed by disconnecting the 2 bolts which secure the AIR pipe to the AIR manifold. Start by removing the mounting bolt which connects the combination valve to the MAP sensor bracket. Then detach the AIR combination valve along with the AIR pipe as single unit. Place the AIR combination valve and AIR pipe assembly on the MAP sensor bracket together by using the mounting bolt and carefully finish the installation by tightening the bolt to 9 N.m (80 lb in). Fasten the 2 bolts on the AIR pipe to attach it to the AIR manifold and tighten them to 9 N.m (80 lb in). The exhaust pipe from the AIR pump requires connection to the AIR combination valve while relocating the pinch clamp onto the manifold before properly attaching the vacuum hose to the combination valve.

How to Service and Repair the Air Inject Check Valve on Buick Lucerne?

The first task involves detaching the air cleaner outlet duct and removing Brake Booster Vacuum Hose connected to the Intake Manifold before setting it aside. First disconnect the engine harness electrical connector from the secondary air injection (AIR) shutoff and check valve before raising and supporting the vehicle. Start by unscrewing the bolts that sustain the Intake Manifold cover bracket along with removing the bracket. Then unfasten the air shutoff and check valve pipe to exhaust manifold nuts. Start by lowering the vehicle before removing the air feed tube bracket nut from the throttle body stud followed by disconnection of the air feed tube quick connect fitting from the air shutoff and check valve. Next install the position of the throttle body stud and feed tube before you disconnect bolts from the upper bracket of the shutoff and check valve. The exhaust manifold gasket of the old shutoff air and check valve needs replacement before cleaning its sealing surfaces. A new air shutoff and check valve gasket should be installed on exhaust manifold studs before fitting the air shutoff and check valve . Place the air shutoff and check valve to bracket upper bolts in position before tightening them to 25 n.m (18 lb ft). Place the air feed tube on the throttle body stud and connect the quick connect fitting to the air shutoff and check valve using the air feed tube bracket nut which needs to be tightened to 10 n.m (89 lb in). Next raise the vehicle to install the air shutoff and check valve pipe to exhaust manifold nuts which should be tightened to 10 n.m (89 lb in). After installing the Intake Manifold cover bracket with its bolts you must tighten them to 30 n.m (22 lb ft) while lowering the vehicle. Reinstall the air cleaner outlet duct after you connect the engine harness electrical connector to the air shutoff and check valve then position the Brake Booster Vacuum Hose to the Intake Manifold.

OEM Buick Air Inject Check Valve

Air Injection Reaction Check Valve

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27 Air Inject Check Valves found

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Buick Check Valve Part Number: 12619128
$104.41 MSRP: $212.07
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Product Specifications
- Other Name: Valve, Emission Control System; Secondary Air Injection Check Valve; Diverter Valve
- Replaces: 12575655
Fits the following Buick Models:
- Rainier | 2004-2005 | CXL, CXL Plus | 6 Cyl 4.2 L GAS
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Buick Shut-Off Valve Part Number: 12619126
$191.72 MSRP: $389.40
You Save: $197.68 (51%)
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Product Specifications
- Other Name: Valve Assembly-Secondary Air Injection Check; Diverter Valve; Valve, Emission Control System
Fits the following Buick Models:
- Lucerne | 2011 | Super | 8 Cyl 4.6 L GAS
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Buick Check Valve Part Number: 12623091
$161.32 MSRP: $327.66
You Save: $166.34 (51%)
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Product Specifications
- Other Name: Valve Kit, Emission Control System; Secondary Air Injection Check Valve; Diverter Valve; Valve, Emission Control System
Fits the following Buick Models:
- LaCrosse | 2011-2012 | Base, Convenience, CX, CXL, CXS, Leather, Premium, Touring | 4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV), 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
- Regal | 2011-2013 | Base, CXL, Premium | 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV)
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Buick Check Valve Part Number: 12619110
$191.61 MSRP: $346.80
You Save: $155.19 (45%)
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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
- Replaces: 12583486
Fits the following Buick Models:
- Rainier | 2006-2007 | CXL | 6 Cyl 4.2 L GAS
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Buick Check Valve Part Number: 14047619
$10.37 MSRP: $19.48
You Save: $9.11 (47%)
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Product Specifications
- Other Name: Valve, Cruise Control; Vacuum Valve; Fuel Tank, Turbocharger, Engine Fuel, Emission Control, Transmission Case Valves.
- Replaces: 25525315
Fits the following Buick Models:
- LeSabre | 2000-2003 | Custom, Limited | 6 Cyl 3.8 L GAS
- Skylark | 1994 | Custom, Gran Sport, Limited | 4 Cyl 2.3 L GAS, 6 Cyl 3.1 L GAS
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Buick Check Valve Part Number: 12660126
$248.18 MSRP: $504.06
You Save: $255.88 (51%)
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Product Specifications
- Other Name: Valve, Emission Control System; Secondary Air Injection Check Valve; Diverter Valve
- Replaces: 12619122, 12593052
Fits the following Buick Models:
- LaCrosse | 2005-2009 | CX, CXL, CXS, Super | 6 Cyl 3.6 L GAS, 6 Cyl 3.8 L GAS, 8 Cyl 5.3 L GAS
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Buick Boost Sensor Part Number: 12702113
$30.84 MSRP: $48.97
You Save: $18.13 (38%)
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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 Buick Models:
- Encore GX | 2020-2024 | Avenir, Essence, Preferred, Select, Sport Touring | 3 Cyl 1.3 L GAS
- Envision | 2021-2023 | Avenir, Essence, Preferred | 4 Cyl 2.0 L GAS
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Buick Pulse Air Valve Part Number: 22048208
$74.17 MSRP: $150.65
You Save: $76.48 (51%)
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Product Specifications
- Other Name: Valve Assembly, Secondary Air Injection Check; Valve, Emission Control System
Fits the following Buick Models:
- Skyhawk | 1984 | Custom, Limited, T-Type | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS
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Buick 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 Buick Models:
- Commercial Chassis | 1994-1996 | Base | 8 Cyl 5.7 L GAS
- Roadmaster | 1994-1996 | Base, Collector's Edition, Estate Wagon, Estate Wagon Collector's Edition, Limited, Limited Collector's Edition | 8 Cyl 5.7 L GAS
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Buick 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 Buick Models:
- Century | 1984-1985 | Custom, Estate Wagon, Limited | 6 Cyl 2.8 L GAS
- Electra | 1984 | Limited, Park Avenue | 6 Cyl 4.1 L GAS
- LeSabre | 1984 | Custom, Limited | 6 Cyl 4.1 L GAS
- Regal | 1992-1993 | Custom, Gran Sport, Limited | 6 Cyl 3.1 L GAS, 6 Cyl 3.8 L GAS
- Skylark | 1984-1985 | Custom, Limited, T-Type | 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS
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Buick 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 Buick Models:
- Century | 1984-1985 | Custom, Estate, Estate Wagon, Limited, Olympia Limited, T-Type | 6 Cyl 3.0 L GAS
- Electra | 1984-1986 | Limited, Park Avenue, T-Type | 6 Cyl 3.0 L GAS, 6 Cyl 3.8 L GAS, 6 Cyl 4.1 L GAS
- LeSabre | 1984-1985 | Collector's Edition, Custom, Limited | 6 Cyl 3.8 L GAS, 6 Cyl 4.1 L GAS
- Regal | 1984 | Base, Grand National, Limited, T-Type | 6 Cyl 3.8 L GAS, 6 Cyl 4.1 L GAS, 6 Cyl 4.3 L DIESEL
- Riviera | 1984 | Base, Luxury, T-Type | 6 Cyl 3.8 L GAS, 6 Cyl 4.1 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L DIESEL
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Buick 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 Buick Models:
- LeSabre | 1984-1985 | Collector's Edition, Custom, Limited | 6 Cyl 3.8 L GAS
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Buick Check Valve Part Number: 22048578
Product Specifications
- Other Name: Valve, Vacuum Pump Check; Secondary Air Injection Check Valve; Diverter Valve; Valve, Emission Control System
Fits the following Buick Models:
- Century | 1984-1985 | Custom, Estate, Estate Wagon, Limited, Olympia Limited, T-Type | 6 Cyl 3.0 L GAS
- Electra | 1985 | Limited, Park Avenue, T-Type | 6 Cyl 3.0 L GAS, 6 Cyl 3.8 L GAS
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Buick 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
Fits the following Buick Models:
- Reatta | 1988-1990 | Base | 6 Cyl 3.8 L GAS
- Riviera | 1986-1990 | Luxury, T-Type | 6 Cyl 3.8 L GAS
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Buick 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 Buick Models:
- Electra | 1989 | Estate Wagon | 8 Cyl 5.0 L GAS
- LeSabre | 1989-1990 | Estate Wagon | 8 Cyl 5.0 L GAS
- Riviera | 1984 | Base, Luxury, T-Type | 6 Cyl 3.8 L GAS, 6 Cyl 4.1 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L DIESEL
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Buick Diverter Valve Part Number: 17086010
Product Specifications
- Other Name: Valve, Emission Control System; Secondary Air Injection Check Valve; Air Control Valve
Fits the following Buick Models:
- Riviera | 1986 | Luxury, T-Type | 6 Cyl 3.8 L GAS
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Buick 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
Fits the following Buick Models:
- LeSabre | 2000-2003 | Custom, Limited | 6 Cyl 3.8 L GAS
- Rendezvous | 2002 | CX, CX Plus, CXL, CXL Plus | 6 Cyl 3.4 L GAS
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Buick Diverter Valve Part Number: 17075081
Product Specifications
- Other Name: Valve, Emission Control System; Secondary Air Injection Check Valve
Fits the following Buick Models:
- Riviera | 1984-1985 | Base, Luxury, T-Type | 6 Cyl 3.8 L GAS, 6 Cyl 4.1 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L DIESEL
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Buick Diverter Valve Part Number: 17075080
Product Specifications
- Other Name: Valve, Emission Control System; Secondary Air Injection Check Valve
Fits the following Buick Models:
- Electra | 1989, 1984-1987 | Estate Wagon, Limited, Park Avenue | 8 Cyl 5.0 L GAS
- LeSabre | 1984-1990 | Collector's Edition, Custom, Estate Wagon, Limited | 8 Cyl 5.0 L GAS
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Buick Diverter Valve Part Number: 17087225
Product Specifications
- Other Name: Valve, Emission Control System; Secondary Air Injection Check Valve; Air Control Valve
Fits the following Buick Models:
- Reatta | 1989-1990 | Base | 6 Cyl 3.8 L GAS
- Riviera | 1989-1990 | Luxury, T-Type | 6 Cyl 3.8 L GAS

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Buick Air Inject Check Valve

Choose OEM Air Inject Check Valve, you're making the optimal decision for superior quality and perfect performance. You can feel confident because each component goes through stringent quality checks. Every part is carefully built to comply with Buick's factory specifications. You'll enjoy a smooth, worry-free installation that fits just right. At ChevyPartsDeal.com, you'll find it easy to get top-quality OEM Buick Air Inject Check Valve. You can shop at highly competitive prices and protect your budget. All our genuine Buick parts include a dependable manufacturer's warranty. You'll also appreciate our straightforward return policy and swift delivery services for extra convenience.

Buick Air Inject Check Valve Parts and Q&A

Check Valve
14047619
Q: How to Service and Repair the Air Inject Check Valve on Buick LeSabre?
A:
The first step to replace the Secondary Air Injection (AIR) Shut-Off Valve includes removing the vacuum hose from the combination valve. First uncork then lower the clamp on the AIR pump exhaust hose followed by disconnecting the 2 bolts which secure the AIR pipe to the AIR manifold. Start by removing the mounting bolt which connects the combination valve to the MAP sensor bracket. Then detach the AIR combination valve along with the AIR pipe as single unit. Place the AIR combination valve and AIR pipe assembly on the MAP sensor bracket together by using the mounting bolt and carefully finish the installation by tightening the bolt to 9 N.m (80 lb in). Fasten the 2 bolts on the AIR pipe to attach it to the AIR manifold and tighten them to 9 N.m (80 lb in). The exhaust pipe from the AIR pump requires connection to the AIR combination valve while relocating the pinch clamp onto the manifold before properly attaching the vacuum hose to the combination valve.
Check Valve
12619111
Q: How to Service and Repair the Air Inject Check Valve on Buick Lucerne?
A:
The first task involves detaching the air cleaner outlet duct and removing Brake Booster Vacuum Hose connected to the Intake Manifold before setting it aside. First disconnect the engine harness electrical connector from the secondary air injection (AIR) shutoff and check valve before raising and supporting the vehicle. Start by unscrewing the bolts that sustain the Intake Manifold cover bracket along with removing the bracket. Then unfasten the air shutoff and check valve pipe to exhaust manifold nuts. Start by lowering the vehicle before removing the air feed tube bracket nut from the throttle body stud followed by disconnection of the air feed tube quick connect fitting from the air shutoff and check valve. Next install the position of the throttle body stud and feed tube before you disconnect bolts from the upper bracket of the shutoff and check valve. The exhaust manifold gasket of the old shutoff air and check valve needs replacement before cleaning its sealing surfaces. A new air shutoff and check valve gasket should be installed on exhaust manifold studs before fitting the air shutoff and check valve . Place the air shutoff and check valve to bracket upper bolts in position before tightening them to 25 n.m (18 lb ft). Place the air feed tube on the throttle body stud and connect the quick connect fitting to the air shutoff and check valve using the air feed tube bracket nut which needs to be tightened to 10 n.m (89 lb in). Next raise the vehicle to install the air shutoff and check valve pipe to exhaust manifold nuts which should be tightened to 10 n.m (89 lb in). After installing the Intake Manifold cover bracket with its bolts you must tighten them to 30 n.m (22 lb ft) while lowering the vehicle. Reinstall the air cleaner outlet duct after you connect the engine harness electrical connector to the air shutoff and check valve then position the Brake Booster Vacuum Hose to the Intake Manifold.