Why is my Ford Explorer not blowing hot?
The most common reasons a Ford Explorer heater isn’t working are a broken heater blower motor, a problem with the thermostat, or a failed heater blower motor resistor.
Where is the heat control valve located?
Heater Control Valve Location The heater control valve is typically in line with the heater core’s inlet hose, which is often near the vehicle’s firewall, but the exact location of the valve will vary by vehicle.
How does a heater control valve work?
The heater control valve (sometimes called the hot water valve) is used to control the rate at which coolant flows through the heater core. The valve is located on the heater inlet hose. Manually operated systems may use a cable, a vacuum motor or an electric solenoid to operate the valve.
Why is my heater blowing cold air Ford Explorer?
Low Coolant Level The coolant (usually a mixture of water and antifreeze) in your engine doesn’t just work to keep the engine from overheating: It’s also the source of heat supporting the heating system. If there isn’t enough coolant in your system, the heater core will blow cold air into your car.
How do you know if your heater control valve is bad?
Symptoms of a bad heater control valve
- No heat comes out.
- Heat is always on and you can’t turn it down.
- Heater operates erratically, putting out more or less heat without any control changes.
- Coolant leaks.
- Low coolant level.
- Higher-than-normal temperature gauge readings (from loss of coolant)
How do I know if my heater control valve is working?
Common signs include the heater not working, coolant leaking from under the engine, and no voltage across the heater control valve….Usually a bad or failing heater control valve will produce a few symptoms that can alert the driver of a potential issue.
- Heater doesn’t work.
- Leaking coolant.
- Erratic heater behavior.
How do I know if my heater control valve is bad?
How do you know if heater control valve is working?
When I turn on the heat my car overheats?
Coolant can leak out, air gets sucked in, and the engine temperature needle wraps around to full hot. Plugged heater core. The heat exchanger inside your car that keeps you warm on cold days can cause your engine to overheat. If the heater core is plugged, coolant flow restricts.