Vacuum locking hub; 4 wheel drive system.

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4wd system, changed the check valve, solenoid and left front IWE. The hub appears to be still engaged. I checked the vacuum reservoir for leaks, found none. The hub should be disengaged with vacuum applied but it’s not.

Visitor

in Albuquerque NM

Aug 28, 2021

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RepairPal Certified shops can diagnose and repair your 2015 Ford F-150. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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What is your question?

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Vacuum locking hub; 4 wheel drive system.

What is your question?

Visitor

in Albuquerque NM

Aug 28, 2021

1 Reply

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DaveJMon Aug 29, 2021

You'll have to check directly at the affected hub. When vacuum is applied directly at the hub, does it disengage? If not, then the hub is of concern. If so, then the vacuum situation is in question. Use this link to find some shops near you that can help with your concern: www.repairpal.com/repair-shops

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Popular Answer

What are the best Ford repair shops?

RepairPal Certified shops can diagnose and repair your 2015 Ford F-150. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.