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Just replaced blower motor on a 2002 F350 and getting no air…

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Just replaced blower motor on...
Just replaced blower motor on a 2002 F350 and getting no air movement out of the vents at all checked for any obstruction and did not see anything I haven't found any vacuum lines that are disconnected please help
Submitted: 5 months ago.Category: Ford
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Answered in 3 minutes by:
11/15/2017
Ford Mechanic: Dan, Technician replied 5 months ago
Dan
Dan, Technician
Category: Ford
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Experience: Independent Shop Experience, 2 Year Automotive Diploma, & Access to Information Database
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Ford Mechanic: Dan, Technician replied 5 months ago

Access the control head vacuum connector. Check for full engine vacuum to the black vacuum line, and ensure it holds. If the vacuum is low, or won't hold, check the vacuum reservoir tank. If the vacuum is good, jump the black vacuum line to each of the others using a small vacuum hose and check for correct operation of each vacuum controller. Repair or replace as needed. If the vacuum is good, and all the actuators work normal, but the system defaults to defrost with the control head plugged in, suspect a failed control head or function selector switch. The most common problem is vacuum reservoir tank or hoses going to tank. Let me know if you have questions, thanks.

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