What to do if your Honda Civic heater is not working?
If your car isn’t overheating or losing radiator fluid, have the mechanic check the thermostat. If it is stuck open your heater will not work properly. You may have gotten a bad one that didn’t last long. 21 people found this helpful. First check your engine coolant, it might be low.
When did my Honda Civic start overheating?
I have a 2005 honda civic. About a month ago it started overheating. Drives Ok on the highway but heats up to the H mark almost as soon as I get off the highway. Have replaced the water pump, thermostat, radiator, flushe… I have a 2005 honda civic. About a month ago it started overheating.
How does the cooling system work on a Honda Civic?
A Honda Civic’s cooling system is a sealed system, meaning that it uses pressure to raise the boiling point of the fluid within the radiator. As the engine operates, the fluid within the radiator circulates throughout the engine.
How does the pressure gauge work on a Honda Civic?
The pressure gauge fastens to the radiator in place of the radiator cap. The gauge consists of a pump and a gauge. As the pump is operated, air will fill the radiator and the gauge will display a pressure reading. Pump approximately 15 pounds-per-square-inch (psi) of air into the radiator.
Why does my Honda Civic overheat when I change the water pump?
They recommended having the timing belt changed while changing out the water pump to save labour down the road as it was going to eventually need a new timing belt due to the age of the car. After doing all the above the car was still overheating. They said it was a bad head gasket and they changed that out.
What to do if your Honda Civic heater stops working?
If the heater has stopped working in your Civic, this process has failed in one way or another. A word of caution: If there is no coolant in your overflow, you can refill it by adding more to the overflow reservoir. There is almost never a situation where you would need to take the radiator cap off of the radiator to add coolant.
What are the different thermostats on a Honda Civic?
Here is an image of the two different thermostats next to each other: The one on the left is the OEM and the one on the right is a Gates. While both thermostats plug the hole and directs coolant traffic, you can easily tell they are designed differently.
What should I do if my water pump is not working?
Have replaced the water pump, thermostat, radiator, flushed the system, most hoses, fan, 2 sensors, timing belt, spark plugs and had the head gasket checked 3 times by 2 different shops. Both said it was fine. The mechanic that has done most of the work is baffled. Says he has never seen anything like this and is at a loss as to what to…
You can have the heater core back flushed also to improve the flow through it. 15 people found this helpful. If your car isn’t overheating or losing radiator fluid, have the mechanic check the thermostat. If it is stuck open your heater will not work properly. You may have gotten a bad one that didn’t last long. 20 people found this helpful.
What kind of car is Honda Civic EX?
This is a tale that goes back about a year when I found my very first car. I needed it to commute back and forth to school. When I bought the car it worked great, everything I could have wanted. However, that soon changed when it began overheating, and to be specific it is a 2003 honda civic ex, automatic.
How often should I replace my Honda Civic heating system?
If the core is still blocked, replace it. Running the heating system at least once a month for 10 minutes, especially in winter, will preserve the system by preventing the hoses from getting dried or cracked.
Why is the thermostat stuck on my Honda Civic?
Check the thermostat’s condition. It is likely stuck open if the engine takes a long time to heat up or stuck closed if the lower radiator hose isn’t hot while the engine is. Replace the thermostat if it is stuck. Feel both of the heater hoses near the firewall.
How to estimate the cost of a civic heater core replacement?
This range is based on the number and age of Honda Civic’s on the road. For a more accurate estimate based on your Honda and location, use our Fair Price Estimator. New! Get a more accurate estimate for your Heater Core Replacement using our Fair Price Estimator. What is a heater core?
What to do if your Honda Civic heater is stuck?
This means a leaking heater core; replace the core. Check the thermostat’s condition. It is likely stuck open if the engine takes a long time to heat up or stuck closed if the lower radiator hose isn’t hot while the engine is. Replace the thermostat if it is stuck.
How do you replace the core on a Honda Civic?
Disconnect the heater hoses from the core housing; squeeze open the hose clamps using a pair of vise grips and remove the mounting wing nut from the heater unit by turning it with your hand until it comes free. Remove the center console from the interior of the vehicle using the screwdriver.
Where is the heater core on a Honda Civic?
The heater core is on the left side bottom. Remove the self-tapping screws, the heater core cover, and the grommet and carefully pull out the heater core. 15.
Why does my Honda Civic run so hot?
While not having enough coolant may make your engine run hotter, it can also cause your Civic to not be able to create enough heat. Is there isn’t enough line pressure, due to low coolant, then the heater core will not be able to get any coolant itself.
How long does it take a Honda Civic heater to warm up?
After conectiong my phone to the ECU I have found my civic will warm up from 10 to 50 Degrees C in 3 minutes as long as the revs are at 2000rmp or less. If I take the revs to 3000 the temperature can go from 70 to 50-40 in 30 seconds. I have changed the thermostat and checked levels etc. but I have not yet resolved the issue.
Why does my car heater not work when I go over 30 mph?
This could explain why the heater seems to work when going over 30 mph. If your car heater blows cold air and your engine temperature is at normal operating temperature the problem can not be a thermostat or a bad head gasket. Good luck. 48 people found this helpful. I just needed to replace the thermostat.
Why is my Honda Civic heater slow to warm up?
And to add to that, if the radiator hose is always cool, the thermostat may be faulty. Both of these issues may cause your car’s heater to warm up slowly. This article will demonstrate how to properly replace the thermostat, and bleed the coolant system in your Honda Civic to get the heating function working again. The steps are outlined below.
What should I put in my Honda Civic heater?
Fill the radiator with 50/50 antifreeze coolant until you see coolant spouting from the bleeder valve. Fasten the bleeder valve, and top off the radiator with coolant. With the radiator cap off, start the engine and set the heater to its maximum setting.
What to do if your Honda Civic overheats?
Check the oil cap for white spots. This is a sign of engine oil contaminated by water, and it could lead to overheating. Check the coolant reservoir for leaks due to a cracking or faulty cap. Check the radiator cap for a faulty spring mechanism.
Where is the thermostat on a Honda Civic?
Locate the thermostat housing. It is attached to the lower radiator hose behind the distributor. Place a drain pan under the engine where the thermostat housing is located. With a ratchet, extension, and socket, remove two 10mm bolts on each end of the thermostat housing. Let the coolant drain from the lower radiator hose.
What to do if your car heater core is failing?
The heater hoses should be inspected when replacing a heater core. Problems with the heater hoses can cause similar problems to a failing heater core and are less expensive to correct. Some cars will need to have the air conditioning system recharged, which can increase the cost of repair. Another problem to watch out for is worn engine mounts.
How do you replace the heater core on a Honda Civic?
If, however, you need to replace your older Civic’s heater core, you should be familiar with the construction of the car’s interior before attempting the procedure. Disconnect the battery cable from the negative side. Wait a full 5 minutes for the car’s PRS Air Bag System to discharge.
Why is my Honda Civic not producing hot air?
by Chris Moore. If the heating system in your Honda Civic is not producing hot air, there can be a number of reasons for this. The biggest cause is a faulty heater core.
How much does a Honda Civic Core replacement cost?
Know what price you should pay to get your vehicle fixed. The average cost for a Honda Civic heater core replacement is between $755 and $1,023. Labor costs are estimated between $560 and $708 while parts are priced between $195 and $315. Estimate does not include taxes and fees.
What should I do if my AC heater Blows Hot?
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Do you need an engine block heater for a Honda Civic?
Not only will your car start faster in freezing temperatures, but you’ll also greatly reduce wear and tear on your battery and engine. Engine Block Heater is essential for anyone living in an area that experiences freezing temperatures.
Why is the air conditioner on my Honda Civic not working?
The air conditioning no longer works on the drivers side only blows hot air;the passenger side blow cool air,Honda has known a/c issues with the corrosive 1234yf refrigerant that impacts the entire cooling system. Service bulletin 19-091 covers the condenser however does not cover the compressor, clutch or coil and those parts are a costly fix.
While not having enough coolant may make your engine run hotter, it can also cause your Civic to not be able to create enough heat. Is there isn’t enough line pressure, due to low coolant, then the heater core will not be able to get any coolant itself.
After conectiong my phone to the ECU I have found my civic will warm up from 10 to 50 Degrees C in 3 minutes as long as the revs are at 2000rmp or less. If I take the revs to 3000 the temperature can go from 70 to 50-40 in 30 seconds. I have changed the thermostat and checked levels etc. but I have not yet resolved the issue.
Why is my Honda Civic heater not working?
While there are a variety of reasons your Honda Civic heater is not working, the most common 3 are a broken heater blower motor, a problem with the thermostat, or a failed heater blower motor resistor. Get your Honda issue diagnosed by a professional.
If the core is still blocked, replace it. Running the heating system at least once a month for 10 minutes, especially in winter, will preserve the system by preventing the hoses from getting dried or cracked.
Why does my Honda Civic smell like coolant?
When the heater control valve fails, adjusting the temperature may not change the air temperature at the vents, whether hot or cold. A failing heater core may cause a vehicle to smell of engine coolant inside the cabin. A failing heater hose may cause the vehicle to smell of engine coolant under the hood.