Why is the radiator fan not working on my Nissan Altima?
Without the coolant hitting the sensor, the temp reading will be significantly lower than the actual engine temp. Your Altima’s radiator fan will not kick on. If you do have low coolant, don’t fill it up until the engine has cooled off.
What to do if your Altima has a bad temp sensor?
If your Altima has a bad engine temp sensor the radiator fan won’t know to come on, because the ECU won’t know how hot the engine is. You’ll need to locate and test the engine temp sensor. Depending on the model year and engine, the location varies. If it does end up being this sensor, they are very affordable.
What are the symptoms of a bad cooling fan relay?
1. Engine running hot One of the first symptoms commonly associated with a bad or failing cooling fan relay is an engine that runs hot or overheats. If you notice that your engine is running at higher temperatures than normal, that may be a sign that the relay is not functioning properly.
Why does my Nissan Club fan always turn on?
The coolant temp sensor is what is responsible for, well sending info back to the ecu about the temp of the coolant. Too hot, it turns the fans on, etc…. It is possible that it may need to be replaced, but I would look at the t-stat for the correct one being installed. It was all that was done, so always start there…
Without the coolant hitting the sensor, the temp reading will be significantly lower than the actual engine temp. Your Altima’s radiator fan will not kick on. If you do have low coolant, don’t fill it up until the engine has cooled off.
If your Altima has a bad engine temp sensor the radiator fan won’t know to come on, because the ECU won’t know how hot the engine is. You’ll need to locate and test the engine temp sensor. Depending on the model year and engine, the location varies. If it does end up being this sensor, they are very affordable.
1. Engine running hot One of the first symptoms commonly associated with a bad or failing cooling fan relay is an engine that runs hot or overheats. If you notice that your engine is running at higher temperatures than normal, that may be a sign that the relay is not functioning properly.
Why are the cooling fans always on in my car?
One thing is for the cooling fans to come on when the engine is hot and another is for it to be stuck on when the engine is first started. When the cooling fans are stuck always running then typically it means that the ECU is not detecting the engine coolant temperature (ECT) sensor or something thereabouts.
Why is my radiator fan not working on my Toyota Camry?
If you do have low coolant, don’t fill it up until the engine has cooled off. Adding coolant to a radiator dry enough not to trigger the engine temp sensor can cause problems from drastic temperature change. Let it cool down first. Like any other clutch, a fan clutch will wear out over time.
Where is the fuse box on a Nissan Altima?
Cigar lighter (power outlet) fuses: #5 (Power Socket) and #7 (Cigarette Lighter) in the Instrument panel fuse box. The fuse box is located behind the cover below and to the left of the steering wheel.
The coolant temp sensor is what is responsible for, well sending info back to the ecu about the temp of the coolant. Too hot, it turns the fans on, etc…. It is possible that it may need to be replaced, but I would look at the t-stat for the correct one being installed. It was all that was done, so always start there…
Why are the cooling fans not working on my car?
1. Engine running hot 2. Cooling fans do not function 3. Cooling fans stay on at all times Average rating from 129,472 customers who received a Vehicle Engine Cooling Inspection. Most modern vehicles use electric cooling fans to help pull air through the radiator so that it can keep the engine cool.
What was the problem with the Nissan Pathfinder cooling fan?
Loud grinding noise on driver side fan which is an assembly of two fans in one unit. Widely available information on web points to wheel bearing failure inside the fan. See all problems of the 2015 Nissan Pathfinder . At 63,000 miles the cooling fan assembly went out at a cost of $1096.
Loud grinding noise on driver side fan which is an assembly of two fans in one unit. Widely available information on web points to wheel bearing failure inside the fan. See all problems of the 2015 Nissan Pathfinder . At 63,000 miles the cooling fan assembly went out at a cost of $1096.
If you do have low coolant, don’t fill it up until the engine has cooled off. Adding coolant to a radiator dry enough not to trigger the engine temp sensor can cause problems from drastic temperature change. Let it cool down first. Like any other clutch, a fan clutch will wear out over time.
What to do if your radiator fan is not working?
The first thing that you would want to do is locate the fuse for your Altima’s radiator fan and make sure that it hasn’t blown. If it is blown, replacing the fuse will only solve the problem for a very limited period of time. Unless the wiring issue is fixed, the fuse will blow again.
The first thing that you would want to do is locate the fuse for your Altima’s radiator fan and make sure that it hasn’t blown. If it is blown, replacing the fuse will only solve the problem for a very limited period of time. Unless the wiring issue is fixed, the fuse will blow again.
Why is the fan not working on my Nissan Altima?
If your Altima is running hot, and the fan is not running we’ve laid out the most common causes of this issue below. There are a few simple reasons that the fan would not be cycling on.
Can a Nissan blower fan be replaced without removing the dashboard?
The blower motor fan may need replacement. I will show you how you can replace your Nissan Blower Motor without removing the dashboard. Disclaimers: all opinions are my own, sponsors are acknowledged. Links in the description are typically affiliate links that let you help support the channel at no extra cost. Loading…
Who is the owner of the Nissan Altima?
BLUETOOTH is a trademark owned by Bluetooth SIG, Inc. and licensed to Visteon and Clarion. XM Radio requires subscription, sold separately. Not avail- able in Alaska, Hawaii or Guam. For more information, visit www.xmradio.com.© 2011 NISSAN NORTH AMERICA, INC. All rights reserved.
What does the owner’s manual for a Nissan Altima say?
1. Power windows (P. 2-43) 2. Windshield (P. 8-21) 3. Windshield wiper and washer switch (P. 2-27) 4. Engine hood (P. 3-24) 5. Tie down (P. 6-14) 6. Fog light switch (if so equipped) (P. 2-34) 7. Headlight and turn signal switch (P. 2-29) 8.
Can a bad coolant sensor cause a car to not start?
Some cars use the engine coolant temperature sensor to control the electric cooling fans. You have two separate temperature sensors for the fans, dashboard gauge, and engine management in most cars. However, if your car has a single sensor, a bad engine coolant temperature sensor may result in your fans won’t start at all.
What does the coolant temperature sensor do on an engine?
The engine coolant temperature sensor’s job is to measure the coolant temperature for the engine control module. With this information, the engine control module adjusts the air-fuel mixture depending on the temperature. This article will discuss the most common symptoms of a bad coolant temperature sensor, location, replacement cost.
How to replace a coolant temperature sensor on your Radiator?
Once you’re radiator has been drained, make sure to replace your drain plug or reinsert the petcock before proceeding. This will ensure you don’t forget to complete this step before adding more coolant once the coolant temperature sensor has been replaced. Step 7: Remove electronic harness from the temperature sensor.
Some cars use the engine coolant temperature sensor to control the electric cooling fans. You have two separate temperature sensors for the fans, dashboard gauge, and engine management in most cars. However, if your car has a single sensor, a bad engine coolant temperature sensor may result in your fans won’t start at all.
Is it normal for a car cooling fan to run constantly?
Both cooling fans run constantly. The AC is off. Engine cold, start up, and they both run continuously. Key off, and they both stop. Not sure about the different speeds, but I venture to say it is high speed. I suspect this is not normal. However, the AC does work good!
What are the signs of a bad cooling fan?
Common signs include the engine running hot and cooling fans either not functioning or running all the time. 1. Engine running hot 2. Cooling fans do not function 3. Cooling fans stay on at all times Most modern vehicles use electric cooling fans to help pull air through the radiator so that it can keep the engine cool.
When does the fan always on Nissan club?
Click to expand… no only when the car starts. Also before they install the new T-Stat they hook up their reading and it says coolant low and after they install the T-Stat the coolant reading says high and they flush out the coolant and mix the coolant 50/50 and it still says high. Low & Fast…
Both cooling fans run constantly. The AC is off. Engine cold, start up, and they both run continuously. Key off, and they both stop. Not sure about the different speeds, but I venture to say it is high speed. I suspect this is not normal. However, the AC does work good!
Click to expand… no only when the car starts. Also before they install the new T-Stat they hook up their reading and it says coolant low and after they install the T-Stat the coolant reading says high and they flush out the coolant and mix the coolant 50/50 and it still says high. Low & Fast…
Why does my Nissan Altima not start up?
We said f**k it and called wrench.com and won the lottery. A 35+ year nissan mechanic came out and figured out the problem. The coil packs are wired in behind the intake plenum and tend to wear out causing 2 of the coil packs to have a higher resistance which tricks the computer into thinking the cars being stolen and activates anti-theft mode.
Why does my Nissan Alti not turn off?
Nissan designed the new Alti’s that way to address the huge problem of window fogging in these cars. It was their idea of a “quick fix” instead of thinking the problem through and making the proper modifications to the car. I’m lucky since I have the auto climate controls, so I can turn off the A/C whenever I want.
Is the Nissan Altima heater working in the winter?
Like a script from a horror film, these Altimas seem doomed to fail around 95k miles. 2002 Nissan Altima Heater – I bought my 2002 Nissan 3 years ago and I have had it, I am tired of freezing in the winter, no heat unless going at least 25 mph. Does not heat at all when idle.
When did my Nissan Altima start having problems?
Purchased a 2002 Nissan Altima brand new in November 2002. Within the first two years had consistent problems with the heating system. Brought to mechanic who repeatedly attempted to fix it to no avail. Two years ago, developed a problem where cold air would blow out of the vents when sitting in traffic, moving slow or sitting at a light.
What are common reasons my Nissan Altima has heater problems?
What are common reasons my Nissan Altima has heater problems? While there are a variety of reasons your Nissan Altima 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. See what others are asking about their Nissan Altima.
What to do if radiator in Nissan Altima overflows?
Refill the radiator to within an inch of it overflowing. Check the drain plug and hoses for any possible leaks. Start the Nissan Altima and turn the heater to the high setting. Let it run for about 10 minutes and shut the engine off. Check the coolant level and refill, if necessary.
Where is the drain plug on a Nissan Altima?
Place a bucket or tray with at least a 2-gallon capacity underneath the radiator and below the drain plug. The drain plug on a Nissan Altima is on the passenger side bottom of the radiator.
How much distilled water does a Nissan Altima need?
You will need at least 3 gallons of distilled water. Make sure to tighten the drain plug and fill the radiator with fresh coolant. Refill the radiator to within an inch of it overflowing. Check the drain plug and hoses for any possible leaks. Start the Nissan Altima and turn the heater to the high setting.
What’s the best way to remove a radiator cap?
Twist the radiator cap one turn to relieve any pressure. Step back from the radiator and allow a few seconds to pass, and then completely remove the radiator cap. Place a bucket or tray with at least a 2-gallon capacity underneath the radiator and below the drain plug.
Nissan designed the new Alti’s that way to address the huge problem of window fogging in these cars. It was their idea of a “quick fix” instead of thinking the problem through and making the proper modifications to the car. I’m lucky since I have the auto climate controls, so I can turn off the A/C whenever I want.
Why do the fans stay on when you turn off the engine?
The Don. The ECU is programmed to turn the fans ON when you turn off the engine if it senses that the engine is getting overheated. That’s normal functionality. However, it seems to me like your engine is getting heat soaked.
Why do my car fans stay on all the time?
According to the manual, the fans will stay on for up to 120 seconds if the temperature is above a certain threshold. If your car does this every single time (even right after driving, with heater on high), then you might have an overheating issue (or the sensors gone bad).
How to troubleshoot the air conditioning in a Nissan Altima?
Before making a costly and time-consuming trip to the dealer or a mechanic, give troubleshooting the problem a shot. Take a few easy steps to try and determine the problem in your Nissan Altima. Start the engine and let it to run for a few minutes to allow the air to cool. Double check the controls to make sure the correct buttons are selected.
Why is the radiator not working on my Nissan Altima?
If the radiator fan is not working, it’s a serious problem. Just because the radiator fan is not on does not mean that it is not working. They are designed to only run when needed. If your Altima is running hot, and the fan is not running we’ve laid out the most common causes of this issue below.
What’s the problem with my Nissan Altima high speed fan?
Going thru the tech manual, seems at least 4 or 5 sensors are verified for the control system to kick the compressor/ high speed fan on. One of which is the pressure switch ( kicking myself for not changing when condenser was out). Other thing that came up was the ecv sensor in the compressor.
Is the AC on my 2015 Altima working?
I bought an altima 2015 SV 2.5 last week and I am noticing that the AC sometimes does work and sometimes it doesn’t I took it to Jiffy Lube and they checked the pressure, oz of Freon, etc. Additionally they vacuumed the system and recharged…
What was the problem with my Nissan Altima A / C?
Had a/c problems about a year ago. A/c would intermittently work. Pretty bad during daytime operation. Anyways took it to local mechanic. He said the compressor was on its way out. 30 seconds later his helper comes out and says he got it working.
Why are the electric fans not turning on in my car?
A short talk on why and when the electric fans turn on in car air conditioning. Also why the clutch may not engage. This car is a 2003 Dodge Caravan SE. The air conditioning fans were not turning on and thus the air con system was over heating. This is the simple trick that fixed the issue. Loading…
What’s the air pressure in my Nissan Altima?
Pressures remains at 115 on high and low side. Back in car, turned of ac switch, 15 seconds turned on. Noticed high speed on radiator fan kicked on. Low pressure dropped and high pressure increased. 42/200. Cool air in cabin. Thought about it thru the night and decided maybe the relay was intermittently bad and I would change out.
Why is the a / C blowing cold in my Nissan Altima?
Later that afternoon wife heads to store and texts that the a/c is blowing hot again. Two minutes later she calls and says she turned the a/c switch off and back on and it is blowing real cold. When she gets home, I leave the car running and throw the gauges on. Low side 40, high side 195, ambient 94, vent 47.
How much does it cost to replace a Nissan Altima?
The average cost for a Nissan Altima AC evaporator replacement is between $905 and $1,040. Labor costs are estimated between $517 and $653 while parts are priced at $388. This range does not include taxes and fees, and does not factor in your specific model year or unique location.
What should I do if my Nissan Altima fan wont start?
If the fan works, find you temp sensor and bridge the connect ( this acts as if the switch is close position and sending signal to the fan to turn on ) if the fan works – change the switct.
Why are my coolant fans not turning on?
If both fans operate then it is time to take a look at the pressure transducer. Don’t let this strange name fool you, it is simply a sensor that relays the amount of pressure in the system to the PCM and the PCM decides when to turn on the fans and or compressor clutch.
Why is the cooling fan not working on my Nissan Altima?
That hose coming out is the return of hot to the radiator, it flows in that direction and should be hot. Change that thermostat regardless of fan issues, and use maybe a 160 degree. That coolant is not coming out as it should, trapped in engine 7 people found this helpful. ok working on that….160 degree? thanks guys 4 people found this helpful.
Where is the ECT sensor on a Nissan Altima?
Some switches are mounted on the engine and some on the bottom …etc.. of the radiator. The ECT sensor you can usually find near the thermostat where it leads into one of the hoses leading from your radiator to your engine. Check your relays to see if they are working.