Air Pump Valve on Subaru Impreza WRX

Average mileage: 98,000 (98,000–98,000)
1 model year affected: 2006
2 people reported this problem
1 person shared problem details
The air pump rusts out causing the the valves to get stuck open or closed. This appears to happen more frequently around wet areas (snow or humid). There are two valves; for the first one all you need to remove is the inter-cooler, the second valve is between the intake manifold and engine block.
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