Freightliner heater not working

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Freightliner heater not working

Back to News. Posted on December One of the worst feelings when you drive a heavy-duty truck for a living is getting into that truck, starting it up, and cranking up the heat only to be disappointed by the temperature of the air or the amount of warm air getting into the cabin. Blaine Brothers semi truck repair shops in Minnesota and Wisconsin help you get back on the road. The heat in a truck is relatively simple. The engine produces heat, and it produces lots of it. Coolant is pumped in and around the engine to absorb a large portion of this heat. This coolant is eventually routed through hoses away from the engine and into the heater core. The heater core is the primary component responsible for creating heat in your cabin and keeping your defroster working. No matter where in the country you live, your heater core is an essential component in the operation of your truck. While the coolant is in the heater core, the excess heat that it had absorbed from the engine can be dispersed more easily, while also creating a heating source for the cabin climate control and defroster. The heated coolant in the heater core acts as a large heating element, and the blower moves large amounts of air across the heater core, sending that warm air through the vents and into the cabin. As the coolant is continuously pumped in and around the engine, it keeps the heater core extremely hot at all times.

If the engine is cold the heater has to heat the coolant first to get some heat going. Hello, got a problem with my bunk heater can't seem to figure out what's wrong freightliner heater not working help. I don't have any manuals on what is installed.

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Discussion in ' Freightliner Forum ' started by Dennis , Apr 30, Without your consent employers will not be able to contact with job offers, would you like to opt-in now? Each company we work with has specific experience requirements for their drivers. In order for you to receive the best possible offers, please make sure your answers above are accurate prior to submitting. Log in or Sign up.

Freightliner heater not working

Keep reading as we walk you through some of the most prevalent truck heater problems. Is your truck heater not functioning? In fact, your heating system is actually your cooling system because it uses the same coolant. But it heats it instead of cooling it down. If that does not happen, your coolant level may be low.

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I unhooked the back heater and checked the lines and it still does not circulate after the first heater. Supposedly there is an inch hose that goes into the front heater but the heater is cut down to half inch copper and supposedly everything has to go through the front heater before it can reach the middle and back. Then remove the panel under the all the heater switches. However, if you can get to them, you can test them relatively easily with a multimeter. Roughly a foot from where the plug is into the electric valve. Search titles only. Hi Dave, So they may have gotten "stuck" in the closed position? The fan is blowing, but cold air is coming out. The heater core is the primary component responsible for creating heat in your cabin and keeping your defroster working. Forums New posts Search forums. A thermostat can be one of the easiest DIY fixes for a truck that has no heat. Then you can see box behind sleeper that holds 4 more batteries.

Because of that, you can assume that the Freightliner M2 often encounters several faults, although most may not be as severe as those mentioned above. In this article, you will learn about common problems in Freightliner M2 trucks and how to fix them.

You have to turn the ignition key on and leave the key on all the time. Sometimes, this can happen because the radiator cap itself is faulty. We will have this Search Advanced search…. Levers or valves are usually under the hood or under the passenger side door along or close to the frame rail. You will have to take the heater core loose. I looked all over from underside the bunk area to the front of the truck, all along following the wires. If so how do you get the air out of the hose, there is a block on the front that has a purge valve from when it was new I opened that and left the cap off the holding tank and drove it hoping it would push air through the hose but it did not if that was even the problem. They aren't stuck. I have checked the heater hot and cold switch, changed that, the motor on the bottom of it rotates so that was not it but the midship heater heats a little but in the back there is no heat at all. I just wanted to let you know that if your problem turns out to be the 2 electric solenoids under the truck on the bottom of the bunk then you are sol. If having difficulty, ask a driver to show them to you.