How does a Chevy Silverado engine heater work?
How does a Chevy Silverado engine heater work?
Some of this coolant is diverted from the cooling system into a heater core. A fan then blows on the core to blow warm into the air into the cabin. Before you go replacing a heating system in your Silverado, however, troubleshoot the heater in your truck. Turn the engine on and allow the engine to warm up to normal operating temperature.
How does a heater work in a truck?
As you drive your truck, the engine gets warm. This heats the coolant, and the cooling system has to circulate it through the radiator to bring the temperature back down. When you turn on your heater, the coolant flows through the heater core inside your dashboard. This allows the hot air to blow through your vents and heat up your cabin.
Why does my Chevy Silverado have no heat?
One mid vent also produces no air. One heater line to the firewall from the engine is hot while the other is cold. a/c and heat all comes out of defrost vent and cannot switch from hot to cold without shouting off engine for a little bit. ac and heat doesnt work,fan worksin three of four speeds. Ditto.
Is there a problem with my Ford truck heater?
Occasionally the driver side air will go from AC to heat! Have to stop the car and restart it to get it to be AC again. Time to sell and buy a Ford. Intermittent problem with driver side ac blows hot passenger side ice cold not all the time shut truck off 20-30 min.
Some of this coolant is diverted from the cooling system into a heater core. A fan then blows on the core to blow warm into the air into the cabin. Before you go replacing a heating system in your Silverado, however, troubleshoot the heater in your truck. Turn the engine on and allow the engine to warm up to normal operating temperature.
As you drive your truck, the engine gets warm. This heats the coolant, and the cooling system has to circulate it through the radiator to bring the temperature back down. When you turn on your heater, the coolant flows through the heater core inside your dashboard. This allows the hot air to blow through your vents and heat up your cabin.
Why does my Chevy Silverado blower keep running?
Also, if you smell burning plastic or smoke begins to enter the cabin when the blower is going, that is also a sign you have a faulty blower motor. Finally, if you hear that the blower motor is still running even when the Silverado ignition is in the “off” position, chances are, your blower motor needs replacing. Figure 1. Test your HVAC controls.
One mid vent also produces no air. One heater line to the firewall from the engine is hot while the other is cold. a/c and heat all comes out of defrost vent and cannot switch from hot to cold without shouting off engine for a little bit. ac and heat doesnt work,fan worksin three of four speeds. Ditto.
Why do the vents in my Chevy Silverado blow only?
Recharge the A/C. There may be air trapped in the system. Hot coolant is responsible for passing through the heater core, creating hot air which can than pass through the vents and into the cabin. On some occasions air can become trapped in the system, stopping the coolant from doing its job.
What to do if your Chevy Silverado heater is not running?
Turn the heater on the highest setting and set the fan speed to the highest setting. Open the hood and place your hand over the upper radiator hose. Check to see if it is warm. If it is, then the coolant is flowing through the cooling system as it should. Check the radiator to heater core hose.
What can I do about my 2000 GMC Sierra heater?
I have a 2000 hmm siarra . Having a problem with it it is stuck on the defrost vent and only blowing hot air . I had the a/c checked out . They said it was fine working good ,and no leeks . They said my hvac control box was bad . I changed it but still the same thing ? What can it be . 2 people found this helpful.
Why does my Chevy Silverado blow hot air?
Cold is cold, hot is hot on both sides. Just something to try, your results may vary. It is a 2000 and has a manual heater with only one zone. I suppose it is the actuator on the top of the heater box isn’t it??
Why is the heater on my GMC Sierra not working?
Have a 2000 gmc sierra. Heater not blowing out hot air. Both input and output hoses hot. Can air . On hot it is just blowing lukewarm air . Putting hotter. Temp gauge is registering just below 210 Could be 2 things, one would be a bad temperature valve, a plugged heater core, or a blend door actuator.
Why do the vents blow so much hot air?
Another reason I am starting to lean that direction is if I select “outside” air and set the temp control to cold the vents still blow hot/warm air – much warmer than the outside air. What can I check and does anybody have any suggestions??
Where are the vents on a Chevy Silverado?
Looks like it’s on the left side bottom, right on the driver’s side. Before you replace it try this: 1.Turn the ignition switch to the OFF position. 3.Remove the RADIO fuse for 10 seconds and then reinstall the fuse. 4.Place the ignition switch in the RUN position and wait 40 seconds for the ECC module to initialize.
