How to replace the Air Inject Check Valve on Bank 2 on GMC Jimmy?

The first step for replacing the Air Inject Check Valve/Pipe on Bank 2 requires raising the vehicle. 2WD vehicles do not need steering linkage shield removal with bolts; 4WD vehicles need removal of the AIR shield by removing its bolts. Begin by taking out the reactor pipe assembly bolts then remove the assembly with gasket but only take off the check valve from the reactor pipes by opening spring clamps for replacement purposes. The check valve separation from the reactor pipe requires the spring clamp and pipe locknut to become loose. The installation requires connecting reactor pipe components with spring clamp after tightening the pipe locknut to 10 N.m (89 lb in) when check valve remains in position. Clean the manifold mounting surface before adding the reactor pipe with a gasket followed by tightening reactor pipe assembly bolts to 25 N.m (18 lb ft) while the reactor pipe assembly retainer bolt requires 40 N.m (30 lb ft). Use spring clamps to reinstate the connection between the reactor pipes and the reactor pipe assembly. The AIR shield should be omitted during the installation process of 2WD vehicles but 4WD vehicles need to follow the installation procedure with AIR shield bolts torqued to 33 N.m and steering linkage shield bolts torqued to the same value. Finally, lower the vehicle.

OEM GMC Jimmy Air Inject Check Valve

Air Injection Reaction Check Valve

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GMC Jimmy Check Valve Part Number: 12567733
$107.37 MSRP: $218.06
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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: 12558992
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1998-2001 GMC Jimmy | Diamond Edition, Envoy, SL, SLE, SLS, SLT | 6 Cyl 4.3 L GAS
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GMC Jimmy 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
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1987-1993 GMC Jimmy | Base, Sierra Classic, SLE, SLS, SLT | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS

GMC Jimmy Air Inject Check Valve

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A major part of GMC Jimmy vehicles lies in the reliable emission control system which contains the GMC Jimmy Air Inject Check Valve. A crucial part of the engine efficiency improvement system the valve enables air exchange with the exhaust stream to speed up unburned hydrocarbon oxidation while decreasing pollution production. The GMC Jimmy Air Inject Check Valve prevents exhaust gases from entering the air injection system thus permitting optimal engine functionality throughout diverse Jimmy model lines. The manufacturing process applied multiple design approaches to produce a range of air check valve styles that accommodate particular model requirements of GMC Jimmy products throughout the years. This component installs easily requiring between $60-$80 for labor costs yet its actual valve replacement prices fluctuate from $20 to $440 based on manufacturer and warranty programs. The GMC car Air Inject Check Valve creates both safety benefits and durability advantages since it helps produce cleaner emissions and extends the lifespan of the vehicle. The car Air Inject Check Valve stands out in the automotive market due to its durable construction and support for different the automaker model models which enhances both reliability and efficiency across this vehicle line.

GMC Jimmy Air Inject Check Valve Parts Questions & Experts Answers

Check Valve
12567733
Q: How to replace the Air Inject Check Valve on Bank 2 on GMC Jimmy?
A:
The first step for replacing the Air Inject Check Valve/Pipe on Bank 2 requires raising the vehicle. 2WD vehicles do not need steering linkage shield removal with bolts; 4WD vehicles need removal of the AIR shield by removing its bolts. Begin by taking out the reactor pipe assembly bolts then remove the assembly with gasket but only take off the check valve from the reactor pipes by opening spring clamps for replacement purposes. The check valve separation from the reactor pipe requires the spring clamp and pipe locknut to become loose. The installation requires connecting reactor pipe components with spring clamp after tightening the pipe locknut to 10 N.m (89 lb in) when check valve remains in position. Clean the manifold mounting surface before adding the reactor pipe with a gasket followed by tightening reactor pipe assembly bolts to 25 N.m (18 lb ft) while the reactor pipe assembly retainer bolt requires 40 N.m (30 lb ft). Use spring clamps to reinstate the connection between the reactor pipes and the reactor pipe assembly. The AIR shield should be omitted during the installation process of 2WD vehicles but 4WD vehicles need to follow the installation procedure with AIR shield bolts torqued to 33 N.m and steering linkage shield bolts torqued to the same value. Finally, lower the vehicle.