Question about 1997 Ford Crown Victoria
Do you have A/C gauges to check your Freon? If charge is insufficient. low pressure switch will prevent compressor from engaging. If charge is suffient replace low pressure switch.
Posted on Nov 18, 2017
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Posted on Jan 02, 2017
SOURCE: 1996 crown victoria has no heat
i think it is the heater control valve i think it is mounted on the firewall by the top close to the hood it will have two black 5/8 hoses attached to it check and make sure it still has the cable attached to it before you replace
good luck here is the (how to) for your car
The heater control valve (sometimes called the water flow valve)controls the flow of coolant into the heater core from the engine.
Heater control valves are operated in three basic ways: by cable,thermostat, or vacuum. Cable-operated valves are controlled directlyfrom the heater control lever on the dashboard.
Cable-operated heater valve used to control the flow of water or coolant through the heater core.Thermostatically controlled valves feature a liquid-filled capillarytube located in the discharge air stream off the heater core thatsenses air temperature and modulates the flow of water to maintain aconstant temperature regardless of engine speed or temperature. Mostheater valves utilized on today's car are vacuum operated. These valvesare normally located in the heater hose line or mounted directly in theengine block.
To replace a heater control valve:
Identify the heater control valve carefully. It is easily confused with other parts.
Posted on Apr 23, 2009
SOURCE: The compressor and fan don't come on when the air conditioner is turned on and hot air comes through the vents. However, when the relays are removed and a test wire is inserted into the relay port, th
Sounds like a bad heater control unit, or bad control module. You are bypassing the switch when you jump the relays, so usaully the switching mechanism is suspect.
Posted on Jun 02, 2009
Fuse 9, 50A under hood, Fuse 5 15A Instrument panel. If they're ok, make sure the compressor clutch can be turned by hand (engine off, obviously). If not replace the compressor. Most common problem is the cycle switch. That should be the electrical connector on top of the accumulator. Just jump that by backprobing the connector on both sides with a pinand connect them, with the car on and a/c on if the compressor clutch engages, replace the switch. If it doesn't, try wiggling wire harness and watch it, if it engages, find a broken wire and repair it.
Posted on Aug 11, 2009
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