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What does the 2015 Ford F-150 IWE check valve do?
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In simpler terms, the 2015 Ford F-150 IWE check valve helps control the front wheel hubs by using vacuum pressure. It's important for switching between two-wheel and four-wheel drive. If the valve malfunctions, the front wheel hubs may not engage properly or might engage unexpectedly, potentially costing around $200 to $300 to replace. If you notice any issues, check the vacuum lines connected to the valve for any damage or disconnections.
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If the warning light for the IWE check valve illuminates in the 2015 Ford F-150, it's important to inspect the valves connecting the vacuum box to the solenoid.
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