How to replace the secondary air inject check valve on 2008 Chevrolet Trailblazer?

To replace the secondary air injection solenoid valve, remove the air cleaner outlet resonator, disconnect the electrical connector and air outlet pipe, and take out the securing nut and transmission fluid level indicator tube. Remove the AIR solenoid valve and gasket, then install the new components and reconnect everything.

OEM 2008 Chevrolet Trailblazer Air Inject Check Valve

Air Injection Reaction Check Valve

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2008 Chevrolet Trailblazer Check Valve Part Number: 12619110
$201.70 MSRP: $365.06
You Save: $163.36 (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 2008 Chevrolet Trailblazer Submodels:
- Base, LS, LT | 6 Cyl 4.2 L GAS

2008 Chevrolet Trailblazer Air Inject Check Valve

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2008 Chevrolet Trailblazer Air Inject Check Valve Parts and Q&A

Q: How to replace the secondary air inject check valve on 2008 Chevrolet Trailblazer?
A: To replace the secondary air injection solenoid valve, remove the air cleaner outlet resonator, disconnect the electrical connector and air outlet pipe, and take out the securing nut and transmission fluid level indicator tube. Remove the AIR solenoid valve and gasket, then install the new components and reconnect everything.