Why does the A/C compressor does not come on?

5

Asked by Bert Dec 25, 2017 at 11:34 AM about the 2003 Ford F-150 XL Extended Cab LB

Question type: Maintenance & Repair

The A/C compressor does not come on, also there no heat or cold coming from
the vents, although the blower is blowing fine?

2 Answers

101,715

If AC refrigerant is low, compressor will not kick on. If coolant is low, you won't get any heat from the heater core. If your system has a coolant valve that allows coolant flow to core, check that as well.

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