a/c stops blowing hard out of registers,why?

Asked by Mackey7 Jul 30, 2017 at 04:11 PM about the 1995 Ford Ranger XLT Extended Cab SB

Question type: Maintenance & Repair

After my ranger gets warmed up for a while, my a/c stops blowing hard but
you can still hear the blower motor at the same speed. It does not matter if
you try the defrost, floor or front registers, you get just a little air coming out.
The blower motor, resistor and relay have been replaced. If you let the
vehicle sit for a while and cool off, then everything is back to normal. It
seems to me that it has some kind of blockage that occurs after it heats up,
is that possible and if so what could it be?

1 Answer
22,215

Gary answered 7 years ago

Sounds like your control unit on the dash is bad. the other thing to check is to see if you have a vacuum leak under the dash as the exchanger is controlled by vacuum.

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