How to replace the front Air Inject Check Valve on 2009 Chevrolet Trailblazer?

To replace the secondary air injection solenoid valve, remove the air cleaner outlet resonator and disconnect the electrical connector and air outlet pipe. Remove the nut securing the transmission fluid level indicator tube, then take out the tube and the AIR solenoid valve with the gasket. Reinstall the components in reverse order.

OEM 2009 Chevrolet Trailblazer Air Inject Check Valve

Air Injection Reaction Check Valve

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2009 Chevrolet Trailblazer 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
- Item Weight: 2.10 Pounds
- Item Dimensions: 7.0 x 6.9 x 4.8 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12619110
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2009 Chevrolet Trailblazer Submodels:
- Base, LS, LT | 6 Cyl 4.2 L GAS

2009 Chevrolet Trailblazer Air Inject Check Valve

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2009 Chevrolet Trailblazer Air Inject Check Valve Parts and Q&A

Q: How to replace the front Air Inject Check Valve on 2009 Chevrolet Trailblazer?
A: To replace the secondary air injection solenoid valve, remove the air cleaner outlet resonator and disconnect the electrical connector and air outlet pipe. Remove the nut securing the transmission fluid level indicator tube, then take out the tube and the AIR solenoid valve with the gasket. Reinstall the components in reverse order.