If you can't get heat no matter how long you leave the car running, I'm going to show you some checks you can do to find what the problem is. I still have no heat, just cold air. We had heat when it was selected, and we had cold when it was selected. Well the other day i changed it subconsciously and now cant get it to catch back. Search for - Ford Explorer overhead console. The outer heater hose which has the heat control valve on it is hot and the inner hose is cool.
The dealer is my last resort because i am hearing that it may cost upwards of 500 dollars to repair. Nasty as all get out, in these minus -15°'s and that's in the day. The failure comes from a gear which strips inside the actuator. I bought it 5 months ago with 50000 miles. The resistance vs temp curve can be measured in a heated water bath to see if it is calibrated correctly or otherwise acting up. Run your engine, and after a few minutes see if you get heat with the gate now in the other position.
This is something that can be turned with a screwdriver. Get the engine up to operating temperature. If you're noticing you're starting to get heat after driving a while this would also indicate the thermostat is broken. If it's not moving, time for a new one. If you still don't get heat it's best to get the coolant system diagnosed by a trustworthy mechanic to find out what is wrong.
The best is a cylinder leakdown test, but if a simpler test such as a check of the coolant for hydrocarbons proves a leak, the leakdown test is unnecessary. A simple way to find out if your thermostat is working without using any tools is to see if your temperature gauge is giving you a reading on the dash. Only cost a little bit of time. So i guess I will be checking out ebay or the junkyards for a overhead console. When you start your engine, the thermostat stops the water circulation around the engine. There is a downside: if you're not handy with the spanners you should take your car to the garage.
If you don't get heat, it is likely there is still air in the system. Its purpose is to open and close based on what temp you need. He performed back flush for the radiator and for the heater core. With the tab removed, unscrew the black bolt on each side of the console. If you turn the knob to the hot side it just clicks and blows out cold air. Take a small flat bladed screwdriver and insert it in between the upper radiator hose and the hose neck on the radiator. If you did all of my general tips and there was still no heat, you may want to try flushing the system again.
Heater control valves can also leak from excessive corrosion from contact with old or contaminated engine coolant. If the heater control valve breaks or gets stuck, the coolant flow to the heater core may be restricted or stopped completely. I bought a hot knife and it cut through the heater box easily basically a soldering iron with a utility blade. Two tiny teeth are missing. Purge the air and see if that fixes the problem.
Now in December , there is no heat in my truck very very weak. This happened on a '76. Once you have the fan out, look inside it, and through the hole where the ducting attaches to see any dirt buildup. On the back side of the fuse cover, there should be a table of what fuse does what. Once you see it get to the middle turn on your heaters and see if you're getting heat. There are a few different ways to check for this. Broken blend doors are a common problem among Ford… To install the Blend Door Actuator in 2004 Ford Explorer Tools needed: 7 mm socket 8 mm socket 10 mm socket Socket wrench with extension bar Long stem 8 mm box wrench Large flathead Screw drive You will need to remove all the following parts.
They need to come out back through the wire loom that goes in between the door and the body. You will need to remove the bolt and 1 screw from black plastic storage compartment liner on the left as well. Unfortunately this is an expensive fix because it is labor and parts intensive. The most common culprit for your heaters not working is a faulty thermostat. The back blower is also on this fuse so I disconnected it and it still blew. Now that the cold weather is back, we'll be whacking the car's heater on the second we turn the key. Dean Hello All, My compass and temp display is out also.