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Your 1997 Ford Ranger 3oL blows continuous hot air from the heaterdefroster even with the temp control on cold Is this a heater control valve problem or possible a vacuum problem with one of the doors?

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2008-08-19 00:06:25
2008-08-19 00:06:25

"in order to blow cold air your car needs freon to work, you may have a leak in your AC system. Have it checked for leaks and recharge it with freon." And if your truck has freon.................. The hot-cold door control motor is bad. It has the vent stuck wide open until you shut the HVAC system off. This motor controls the degree of which the vent opens to allow hot air to pass through. (Good luck on finding a dealer that can get you one though and a mechanic that can install it.) It is behind the dashboard at the firewall and the dash has to be removed to replace this motor. i also had this problem, and then relized that one of my passengers had somehow disconnected with the foot one of the plugs that controls the blowers. It's right under the dash on the passenger side, trying checking that before running to the dealer.

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