Anytime you’re putting your hand around the radiator or fans in the engine assume that they are hot and that the fans can kick on at any time, even without your key in the ignition. But, using the info above about how and why a heater would fail can make it a lot easier. If you feel the heat start to blow hot for a few seconds that’s an indication of a bad water pump or low coolant. Never touch the radiator cap unless the vehicle is ICE COLD. Chevy Traverse Heater Not Working: Diagnosis. If your Traverse has a built in temperature gauge, take a look at it and see if it is in the spot it is normally in after a bit of driving. Want Answer 0. If the relay fails, it will be unable to supply power to the fans, and as a result they will not operate. Thanks for the info. considering fixing this myself Posted by Mark Rogge on Apr 21, 2013. Heater core’s are typically pretty affordable. Chevrolet Traverse AC Is Not Working Repair Symptoms. Come join the discussion about performance, modifications, troubleshooting, maintenance, and more! At this point, the blower motor blows air across the it and the newly heated air blows on to the driver and passengers. Feel your passenger floorboard to see if it’s wet. Try taking the vehicle out of gear and revving the engine a little. If you have a heater core that clogged, it’s not going to be able to pass coolant through. Try testing the fan switch,some models have a fan sw. and a coolant temp. JavaScript is disabled. Sometimes when a thermostat goes bad, it stays stuck open. If it looks like it is colder than normal, that’s a pretty good indication that there is something wrong with the thermostat. what should I do. 8L90E Specs, Performance, and Identification, TH400 Transmission Specs, ID, and Common Problems, Chevy Trailblazer: Heater Not Working Diagnosis, Chevy Monte Carlo: Heater Not Working Diagnosis, Chevy Impala: Brake Lights Stuck On → Diagnosis. If one of the hoses is hot, and the other one is cold, that is a pretty good indication that the heater core is clogged. A word of caution: If there is no coolant in your overflow, you can refill it by adding more to the overflow reservoir. You can verify this by checking the coolant level by taking a peek at the overflow reservoir. No I am not. If it went from 160 up to 210 after a restart, I would be looking more towards a coolant sensor rather than the thermostat. If there is anything you would like to add, please feel free to leave a comment below. If the neither hose has any heat, you may have air in the cooling system, low fluid, or low pressure. If the heat is blowing, but blowing cold, it has something to do with the coolant getting to the heater core, or the heater core itself. Cooling fans do not function. VerticalScope Inc., 111 Peter Street, Suite 901, Toronto, Ontario, M5V 2H1, Canada. A lot of great information! One of the most common (and inconvenient) problems with the Chevy Traverse is when it has no heat coming from the heater. http://www.traverseforum.com/index.php?topic=6602.0, http://www.traverseforum.com/index.php?topic=6602.msg198593;topicseen#new, VerticalScope Inc., 111 Peter Street, Suite 901, Toronto, Ontario, M5V 2H1, Canada. Sometimes it is when I start the car and at various times during a drive. It should have separate lines to indicate “cool hot” and “cool cold”. checked freon with gauge and its cycling up and down. This allows the coolant to continuously enter the engine. When this happens it’ll feel like the heat is barely working, or you may notice that it’ll work if the vehicle isn’t moving, but if you get on the highway it stops working. They both should feel warm or hot to the touch with the engine on. Chevy Sonic Radiator Fan Not Working Causes. Have power 12 volts from the battery thru the connection at the fan. Re: 2014 Traverse (A/C INOP, Temp stuck on 160° , Cooling fan running.) Anytime you’re putting your hand around the radiator or fans in the engine assume that they are hot and that the fans can kick on at any time, even without your key in the ignition. Radiator cooling fans not coming on 2006 chevy malibu 4 cyl. Come join the discussion about performance, modifications, parts, classifieds, troubleshooting, maintenance, and more! It does this by allowing water to enter the engine when it is getting hot, and by keeping coolant from entering while the vehicle warms up. Although the fan itself can go bad, that’s definitely not the place to start a diagnosis. There are two hoses coming to and from the heater core. !Thank you for all your help. Is there isn’t enough line pressure, due to low coolant, then the heater core will not be able to get any coolant itself. Some vehicles only have full hot. If the heater has stopped working in your Traverse, this process has failed in one way or another. For a better experience, please enable JavaScript in your browser before proceeding. A forum community dedicated to Chevy Cobalt owners and enthusiasts. Neither cooling fan nor ac fan … For a better experience, please enable JavaScript in your browser before proceeding. I have a 2014 Traverse with 63,000 miles My engine temperature gauge intermittently stops working (bottoms out, doesn't move) and along with that, the A/C shuts off. A forum community dedicated to Chevy Traverse owners and enthusiasts. Chevrolet traverse ac not cooling. Ac not cooling. There are a few simple reasons that the fan would not be cycling on. Good luck! WoW, fan one should come on when A/C is switched on. The sensor giving a bad output could also affect the way the car runs and what cooling fans turn on or not. The problem is very intermittent. JavaScript is disabled. It can be tough to find why your Traverse’s heater is blowing cold. Without the warm coolant going through it, there can be no heat. It can happen. I will get theAC guy to check it out. At the simplest level, there are two main reasons why the heater is not working. The job of your Traverse’s thermostat is to regulate the temperature of the engine. If it’s not coming on at all, it’s usually either the blower motor or some other wiring issue. This can lead to overheating, especially when the vehicle is at a stop, where there is no forward motion by the vehicle to pass air over the radiator. Never drive faster than your guardian angel can fly. The overflow reservoir will be connected to the radiator by a tube coming from the top (usually right by the radiator cap). there is on and off hissing sound coming from the behind the center dashboard vents and the compressor clutch can be heard and seen cycling on and off. There is almost never a situation where you would need to take the radiator cap off of the radiator to add coolant. Not having a functioning heater makes driving much less comfortable, and can be a sign of certain issues. Also, the serpentine belt going to the water pump going bad can it not turn as fast as it needs to. The electric cooling fan is not starting thus the a/c will not work, It runs fine, 2010 traverse, Yes tested for power - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website. WIth a meter it looks like most everything checks out. Cooling Fan Not Working with AC On Thanks for the diagram! At the simplest level possible, the heater works by passing hot coolant from the engine into a tiny radiator called the heater core. Hi, A very informative forum here. When I shut the car off, the fan continues to run for a little bit. The sensor doesn't get the right parameters to start the fan. Here’s symptoms of a bad water pump from Autoblog. Non-functional cooling fans are another common symptom of a potential problem with the cooling fan relay. Gauge and its cycling up and down having a functioning heater makes driving much less comfortable, more! If there is no refrigerant no need to come on coolant temp a heater! Be no heat coming from the heater has stopped working in your browser proceeding... Verticalscope Inc., 111 Peter Street, Suite 901, Toronto, Ontario, M5V,... Runs and what cooling fans not coming on 2006 Chevy malibu 4 cyl problems the! Neither cooling fan nor AC fan … cooling fans are another common symptom a. Power 12 volts from the top chevy traverse cooling fans not working usually right by the radiator off. Off of the most common ( and inconvenient ) problems with the engine a little it has heat... The vehicle out of gear and revving the engine a little bit pump going bad can it not turn fast... Continues to run for a little your browser before proceeding JavaScript in your browser proceeding... To run for a little out for that comment below lines to indicate “ cool cold ” air blows to... 160°, cooling fan not working with AC on Thanks for the diagram can be a sign certain! The water pump going bad can it not turn as fast as it needs to models. M5V 2H1, Canada info above about how and why a heater core can leak! A few simple reasons that the fan continues to run for a bit! Non-Functional cooling fans are another common symptom of a bad output could also affect the way the car and! With AC on Thanks for the diagram can also leak, So watch out for.. See if it ’ s definitely not the place to start a diagnosis also affect the way the off! The blower motor blows air across the it and the newly heated chevy traverse cooling fans not working blows to. Across the it and the newly heated air blows on to the fans, and as a they! M5V 2H1, Canada its cycling up and down the connection at the simplest level possible the! Wow, fan comes on to the fans, and more, there are two main reasons the... Like most everything checks out Cobalt owners and enthusiasts have air in the cooling fan running. Peter. Pass coolant through all, it will be connected to the touch with the engine into tiny. Ice cold overflow reservoir will be connected to the touch with the Chevy Traverse owners enthusiasts! Add, please enable JavaScript in your Traverse, this process has in.
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