My wife's 2013 Grand Cherokee had the same symptoms you are describing. Factory parts should have the manufacture name stamped in somewhere. In that case, there will be a cloud of smoke accompanied with a hint of chemical odor. Any ideas?. I thought it was pollen when I cleaned stuff off a few weeks back after installing my intake, but now it's back again. The two most common chemicals used for this are ethylene and propylene glycol, both of which have lower freezing points than water (32° Fahrenheit or 0° Celsius). coolant leaking. View all 140 consumer vehicle reviews for the Used 2012 Chevrolet Cruze on Edmunds, or submit your own review of the 2012 Cruze. Just calling that out as the engine was under more load then so maybe it is related. doesn't happen if I blast AC so I suspect heater core solely. Just a thought, your coolant leak must be found. I had this exact problem. Mercedez-Benz & AMG discussion forum, news, and rumors for owners and enthusiasts of Mercedes vehicles. He said the asbestos insulation on the underside of the hood is probably loaded with coolant, and will take some time to burn off. I don't see any burning under the hood, and it doesn't happen when the a/c is on, just the heat. Do not drive the vehicle and have it towed to a service center immediately. Bonus Fluid: Clear, thin…it looks like water!. A quick way to eliminate that area is to let your car sit and warm up then turn the heat and fan on high and stick your nose under the hood and see if you can detect any antifreeze odor. It's also possible that the hoses going TO the core are leaking slightly, and coolant is running down the tubes into the cabin. After I shut it down in the driveway I walked in front of it and again could smell diesel. Or, you might be on your way to the … Continue reading "My Car Smells Like Antifreeze: What’s Going On?". Look for sulfury-smelling dribbles of viscous, oily stuff under the car. 20 Affected Products Vehicles MAKE MODEL YEAR CADILLAC ESCALADE 2015-2016 CADILLAC ESCALADE ESV 2015-2016 CHEVROLET SILVERADO 1500 2014. My husband pulled it all apart and checked it all out but can't find any leaks or pin point where the smell is coming from. The first time I took it in, they replaced the thermostat in the coolant system. My Heat works great as well as my AC. smelly exhaust. 2001 V6 Camaro 95,000 miles, have to fill coolant once a week now and have smelled burning coolant recentlyno smoke out of the exhaust and the oil looks fine, have to monitor Temp gauge and when it spikes, that is when i know to fill the coolant again, the coolant has been leaking for over a year now but has increased over the last monthhad it checked for leaks about 6 months ago and. Although all antifreeze leaks occur under the hood, you can diagnose the problem from inside and outside the vehicle. Check out the model specific sections below and scroll down for country specific forums. i know when i installed my cai i had a stinky coolant smell too even with the hood closed. I drove it again, smelled it still and I looked around under it and couldn't find any leaks but the coolant reservoir was empty. Now when the truck warms to temp, i have a whitish smoke coming out of the vents that smells like coolant. 2006 Dodge GrandCaravan 80K miles TIA…. The air coming from the heat vents smelled like antifreeze. My next Ram issue is a coolant smell from under the hood. I have to take a look at the water pump that is exactly where the smell was the strongest, as a matter of fact I was looking down in that area for leaking hoses. My guess is that there is some plastic material/coating/wiring that coincidentally smells like coolant when heated. Have had two different mechanics suggest heater core/coolant line leak by turbo and burning coolant up by firewall causing smell to enter cab. He could have spilled some coolant, like i did the other day. 20 Affected Products Vehicles MAKE MODEL YEAR CADILLAC ESCALADE 2015-2016 CADILLAC ESCALADE ESV 2015-2016 CHEVROLET SILVERADO 1500 2014. For a couple days I was smelling coolant occasionally with the heat on or off. Freon, better known as R-12 , was the primary chlorofluorocarbon ( CFC ) used in car A/C systems up until it was banned in the mid 1990s after the EPA discovered that it was depleting our planet’s ozone Layer. antifreeze smell under hood. com is a one-stop-shop for quality, discount auto parts and car accessories across a large selection of vehicle makes, including, but not limited to: Ford, Dodge, Toyota, Honda, Chevy, Volkswagen and more! We take pride in offering a simple shopping experience with 5 star customer service, taking the stress out of car maintenance and. No oil in the radiator. smelly exhaust. The headers helped, certainly, and the vents in the hood were left in place. It's also possible that the hoses going TO the core are leaking slightly, and coolant is running down the tubes into the cabin. 66000 mi: Chevy customer service suggested I take car back in to investigate coolant smell. ANY IDEAS??? He says I need to be more like him under the hood. But, I smell it after my car has warmed up. I didn't notice any antifreeze smell after opening the hood. Re: Does anyone smell antifreeze when hood open? I've only smelled it once, and when I checked, the coolant reservoir was low and the cap wasn't secured properly. Hopefully that is the case. The seal is under the back seat. Unlike other free online games sites, we offer a variety of classic Hasbro board games like RISK, Yahtzee, and Monopoly. ANY IDEAS??? He says I need to be more like him under the hood. Coolant smells a bit like maple syrup. It's another reason why your car smells like antifreeze but not overheating. Smoke begins to billow out from under the hood, and next thing you know you’re having your vehicle towed into the shop for an emergency repair. If it were leaking inside, the smell would be very strong if not overpowering. Service manager agreed the smell is there but said there should be some residue showing around even a small leak or if the rad cap was leaking. No drop in the coolant level or overheating. I once had a similar issue. Let it get up to temp, grabbed the throttle cable (WRX) and revved it a few times to put some load on the system. However you can smell it whether. Also, an extreme amount of white smoke comes from under the hood, not exactly sure where under the hood but it's very noticeable while idling at stop lights, or pulling into the garage, ect. Just had the engine coolant changed at the dealer and I noticed it is blue in color. My scenario was almost exactly the same as yours. If I turn the temp down no smell. I don't have any leaks underneath the truck. The challenge is locating the part of the car in which the leak is located. I started. A quick way to eliminate that area is to let your car sit and warm up then turn the heat and fan on high and stick your nose under the hood and see if you can detect any antifreeze odor. But where in the world is it coming from? I check my coolant level every week, but it never changes. This has been true for about six weeks. Come join the discussion about performance, modifications, troubleshooting, Hemi. My 06 SSR had a smell like this as well. If the vehicle is started and driven with an insufficient level of coolant within the engine cooling system, the engine cylinder head may overheat, crack and leak oil. The seal is under the back seat. That is were the most prominent smell is when you open the hood. I replaced the coolant recovery tank cap like advised above and the problem has been solved! No more coolant smell from the vents. The most common thing it could be is coolant burning off. You could smell the leak, and you could find coolant dripping from random spots under the engine after a long drive, but you could never actually find the leak. The strangest thing is that the antifreeze level is always the same. But I can smell it. Did not smell anything like antifreeze at all. My overflow tank level sits between min/max. The strangest thing is that the antifreeze level is always the same. MethP is added to give it that smell. Also if it were antifreeze, it. You will be able to find the leak just by observing the radiator and the hose. It has full and low marks, check if where its at and check the radiator. What was repaired on your truck? They replaced the reservoir, and the metal tube and o ring on the pump. A gas is much less efficient in cooling your engine than a liquid. I'm going to check the coolant tank and oil level when the truck cools down a bit more. Thick, heavy odor, sometimes accompanied by smoke from under the hood or from the exhaust. Additionally, a leaky transmission seal can cause oil to spray all over the engine, including the manifold. Take the lid off and there is the pump. Drive it around till the engine is nice and hot and the thermostat opens. Drove van back home and coolant smell was a little stronger and saw some steam coming out from under the hood, not a lot, and temp was still normal. maybe in the morning it was providing some heat and in the heat of the day, not. Just a thought, your coolant leak must be found. I talked to a guy at autozone while I was getting some coolant and oil, he said to watch out for blown head gasket. Check the coolant overflow bottle. The source, most likely, is a small animal that crawled into your engine for warmth and got ground up in the works. I also experienced a burning coolant smell. Hi guys, First off, im a long time lurker but now i need help. beneath the right/center of the instrument panel and a citrus-like odor. Strong coolant smell outside the truck when it's off. So, if you have a late model car you shouldn’t ever see coolant on your driveway. I opened my hood and it smells like the antifreeze is burning I checked for a leak and found some black fluid on the undercarriage but am not 100% sure what it can be. I know if you smell antifreeze when you turn on the heater that is a bad thing. I've had my 14. Pull it up and you will find a black lid. (08/31/2005) By KLS8800. I don’t have this issue, but when I walk into the garage after my wife turns off the van I get a whiff of what smells like antifreeze. I have a 2001 Chevy Sliverado, 4. One type of smell you always want to take seriously is a sweet smell. The smell is present even if the engine is hot or cold. The way I had to find my leaks was bringing the car up to temp. My minivan had a head gasket leak for a long time (it was really old and beaten up), trust me, I know what that smells like. The 2011 Chevrolet Cruze has 41 problems reported for anti freeze smell in the car. I have to take a look at the water pump that is exactly where the smell was the strongest, as a matter of fact I was looking down in that area for leaking hoses. If you check under the hood regularly you'll see if your 'coolant overflow recovery bottle' is FULL, LOW, or EMPTY (with or without a hose attached) and can then take the appropriate actions. The cooling system should be under 18PSI pressure, any leak would cause you to lose coolant pretty darn quickly and you would notice the loss of coolant. Unless you drive an old German air-cooled car (Porsche or VW), chances are you'll have to tend to the cooling system of your vehicle someday. After I shut it down in the driveway I walked in front of it and again could smell diesel. Also, an extreme amount of white smoke comes from under the hood, not exactly sure where under the hood but it's very noticeable while idling at stop lights, or pulling into the garage, ect. Play FREE online games!Welcome to Pogo. Suddenly hissing noise as a weird smelling mist pours out from under the hood. Basically the face of the clutch burns off as the clutch slips. What is your coolant level like under the hood? Attached is what mine looked like before topping off with distilled water. When I opened to hood I noticed some water spotting on the oil filter and generally around where the radiator cap is. antifreeze smell under hood. ) Smell like burned engine oil? If yes, start saving your pennies. Re: White smoke/steam from under the hood. He said the asbestos insulation on the underside of the hood is probably loaded with coolant, and will take some time to burn off. Today’s cars, on the other hand, recycle blowoff coolant, so if you have a late model vehicle and see a neon stain, it could be a sign of trouble under the hood. But where in the world is it coming from? I check my coolant level every week, but it never changes. Usually, this burning smell in car appears when your car brakes get problems. I drive my two young girls (5 and 2) around daily. maybe in the morning it was providing some heat and in the heat of the day, not. Dodge Ram 2009-Present: Engine Smell Diagnostic Guide. I have also noticed the same smell from my JEEP, exactly as you describe it. Antifreeze Smell Inside My Car With Heater On Today I have noticed a slight antifreeze type of smell (kinda sweet) inside my car when I turn on the heater. The way I had to find my leaks was bringing the car up to temp. I've noticed that sometimes when the car is in idle, white smoke comes out under the glove compartment, it comes out as a thin thread of white smoke that smells like burning antifreeze. If there is a leak in the coolant overflow tank, it can cause occasional cases of steam coming from under hood but not overheating. I could smell it coming through the vents. My Heat works great as well as my AC. I can't find any obvious leaks, nothing drips on the ground, no smell in cab, no water in floorboard. From what I gathered it meant something about the o2 sensorso I replaced it and now the truck has no check engine light BUT the truck runs WORSE. Possible solutions when your car AC smells like burning plastic: Sometimes plastic bags get stuck underneath the car and melt around the hot exhaust pipes. 2006 Dodge GrandCaravan 80K miles TIA…. Everytime my car has been running at operating temp for more than 15mins, I can smell coolant coming from under the hood when I park the car. Silverado & Fullsize Pick-ups - coolant smell under hood - 1998 chevrolet silverado 305 engine with about 143 000kms on the engine. If Your Car Smells Like Maple Syrup Or Fruity Candy What it might be: Coolant. Oct 08, 2012 · Smell of antifreeze could indicate a leak odors are coming in with the ventilation air from an under-hood leak. Normal driving around, no smell. i check my oil again and it is black again and smells. I'm wondering if: a) They cheaped out and used some other coolant b) They are now using a new coolant product that happens to be blue. Service manager agreed the smell is there but said there should be some residue showing around even a small leak or if the rad cap was leaking. One type of smell you always want to take seriously is a sweet smell. Or, you might be on your way to the … Continue reading "My Car Smells Like Antifreeze: What’s Going On?". Coolant regulates the temperature in your engine. It still runs like a top even after 99,670 miles. Oil is normal, coolant is normal, no leaks from either. Pressure tested and it passed. I could smell it coming through the vents. Are you sure it isn't your catalytic converter? It smells like rotten eggs when it goes out. I have a very slight coolant smell from my 2911 NA since purchase at 12k Km. So when i got home I noticed a hissing sound under the hood along with smoke/steam. Let's see just how much you know about fixing engines after we give the symptoms your car is showing. antifreeze periodically smells in the cab 4 Answers I have a 96 dodge ram 1500 and I sometimes smell antifreeze in the cab once it warms up. If the coolant goes into the overflow tank it might burn off causing white smoke. I also like to spend some time just looking under the car at the engine, suspension, and body. Coolant regulates the temperature in your engine. Sweet smells in your car aren’t such a sweet thing. First, though, let’s take a look at what could be causing your vehicle to smell like antifreeze. Normal driving around, no smell. Been doing it for awhile. Look for sulfury-smelling dribbles of viscous, oily stuff under the car. Popped the hood to look for leaks, no leaks. which makes me beleive its not a big leak. It's almost as if the coolant or some component of the coolant is seeping through the hoses. If the dashboard is not cooperating, other signs to watch for are the internal heat of the car rising uncontrollably, a burning smell or the sweet smell of leaking antifreeze, a hood that is too hot to touch and, of course, the telltale sign of smoke or steam rising from the hood. Drive it around till the engine is nice and hot and the thermostat opens. my guess was what ever leaked from removing the stock components absorbed. Check the coolant overflow bottle. If the smoke is white or gray though and has a chemical odor, then it is probably something else burning. i check my oil again and it is black again and smells. Find the drain on under the hood and clean it out. I even sprayed Febreze in the vents thinking it was residual. How to Tell if a Car's Water Pump Needs Replacement. or when you open the hood. However I am familiar with tuning, I also have a 300zx turbo in original like conditions. The engine compartment is smoking slightly and the smell is a fluid smell, can't tell what kind of fluid. Sort of a hot / sweet smell. Or, you might be on your way to the … Continue reading "My Car Smells Like Antifreeze: What's Going On?". Only steams from the cap and res area. Your brakes can also emit a car burning smell. after you top up the coolant, take it for a ride with the heat on to see if you get the smell. Never had any issues with that one, and I traded that in 87,000 on it. I also like to spend some time just looking under the car at the engine, suspension, and body. The radiator is full to the top with coolant and the tank dipstick shows perfect. Smell of antifreeze could indicate a leak odors are coming in with the ventilation air from an under-hood leak. When I opened to hood I noticed some water spotting on the oil filter and generally around where the radiator cap is. Did not get the smell if we were cruising along in 4HI or 2WD. Oct 08, 2012 · Smell of antifreeze could indicate a leak odors are coming in with the ventilation air from an under-hood leak. Look carefully at clamped connections. I asked someone and they also said that it smells like antifreeze btw it's a 94' S500 coupe again any help would be appreciated on resolving this problem. Drive it around till the engine is nice and hot and the thermostat opens. Suddenly hissing noise as a weird smelling mist pours out from under the hood. 2001 V6 Camaro 95,000 miles, have to fill coolant once a week now and have smelled burning coolant recentlyno smoke out of the exhaust and the oil looks fine, have to monitor Temp gauge and when it spikes, that is when i know to fill the coolant again, the coolant has been leaking for over a year now but has increased over the last monthhad it checked for leaks about 6 months ago and. CLEAR, SHINY LIQUID – VERY THIN CONSISTENCY … LIKE WATER?. I am still driving it with the gas smell in the morning. (If the engine is hot when this happens, the engine problem is probably serious. i have not noticed any. It never left a drop on the garage floor though. Its a 2003 f350 6. 6 V6, but I could smell coolant when she pulled in the garage. The smell is present even if the engine is hot or cold. Title says it all. I have had a fuel filter o-ring blow out before and had this exact smell. beneath the right/center of the instrument panel and a citrus-like odor. you could have nasty coolant thats in the. I am not a mechanic, I work in video games. The challenge is locating the part of the car in which the leak is located. So if you smelt burnt rubber briefly then it went away, chances are good it is an electrical fault. Its probably just coolant thats still in the engine bay. Without a coolant of some kind circulating through the engine, it will eventually overheat. Opened the hood and removed the plastic engine cover and smelled coolant and saw spewed coolant. Possible solutions when your car AC smells like burning plastic: Sometimes plastic bags get stuck underneath the car and melt around the hot exhaust pipes. I have to take a look at the water pump that is exactly where the smell was the strongest, as a matter of fact I was looking down in that area for leaking hoses. First thing,,,,, cooling system pressure test!!!!! The stuff just doesn't disappear like a David Copperfield illusion!!!!!. By Carl O'Reilly. 2004 C70 coolant leak Help, Advice and DIY Tutorials on Volvo's extremely popular car line -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine. Oil is normal, coolant is normal, no leaks from either. org member Jay_rich for winning December’s Car of the Month, as voted by ThirdGen. Car Smells from Clutch. Ford F-150/F-250: What is that Burning Smell? Burning smells from under the hood of your F-150 or F-250 can mean many different things. As your coolant and water increase in temperature and approach the boiling point, the state of the liquid begins to change to a gas, seen as steam. Like radio, climate controls, lights, etc If it's getting that hot then something may stop working which could help narrow down the location perhaps. Did not get the smell if we were cruising along in 4HI or 2WD. There could be several reasons of why your oil smells like gas. have a bad smell coming through the air vent? that is rotting. If you sense some strange odor coming from under the hood, and it kind of smell like a burning rubber, you should definitely read out this short text about burning rubber smell in car. I have 29,500 miles on it now. With Amazon’s Baby Registry, you can add items from Earth’s biggest selection, get free 90-day returns on most items, and manage your registry on any device whenever—and wherever—you want. Sweet odour, usually accompanied by steam from under the hood: Antifreeze or coolant leak: Clear liquid with a smell: Brake fluid leak: Heavy, thick odour, possibly accompanied by smoke from under the hood or from the exhaust: Burning oil: Acrid odour, like burned toast: Electrical short: Continuous, heavy sulfur odour, like rotten eggs: Emissions. It kind of seemed like it could be coming from under the hood, only because that's where it seems like the smell is coming from the strongest. However you can smell it whether. It could be possible that it could be in the engine compartment and you notice it because you are drawing in odors from there. But where in the world is it coming from? I check my coolant level every week, but it never changes. Coolant streaks Yellow, green, pink, or orange stains that are lighter and thinner than oil. ) Your mechanic may have noticed that the color was diluted with something else, and he may have assumed you mixed a traditional coolant with your OAT coolant. Overflow tank level hasn't moved. Unfortunately, leaks here typically mean a trip to. This sickly sweet smell is far from edible. If it's not freezing outside you might just want to add water, drive somewhere that has a dexcool compatible coolant, get some, then replace coolant when you get home. The source, most likely, is a small animal that crawled into your engine for warmth and got ground up in the works. I am still driving it with the gas smell in the morning. I'm wondering if: a) They cheaped out and used some other coolant b) They are now using a new coolant product that happens to be blue. have a bad smell coming through the air vent? that is rotting. Smoking from under hood sounds like a head and or head gasket problem when u overheat u can damage warp head or blow head gasket look at oil if milky look possible getting/having antifreeze leak into oil or if white smoke coming from rear exhaust sign of antifreeze getting into cylinder. Signs or Symptoms Your Vehicle Needs an Antifreeze/Coolant Flush: #1 Temperature gauge fluctuates between normal and hot #2 Antifreeze/coolant pooling under the vehicle #3 Grinding sounds coming from the engine area #4 Visible rust and/or scaling in the antifreeze/coolant* #5 Steam and/or hot maple syrup-like smell coming from under the hood. Introduced as a replacement for the Cherokee (XJ), the Liberty was priced between the Wrangler and Grand Cherokee. My carpet is bone dry. Like radio, climate controls, lights, etc If it's getting that hot then something may stop working which could help narrow down the location perhaps. , Dingo) is a '14 Limited AWD Hemi with about 16k miles. I'm going to check the coolant tank and oil level when the truck cools down a bit more. It is the part that continually pumps coolant to your vehicle's engine so that it doesn't overheat. The vents in your car, the seats and even the exterior of the car can cause the car smells to show up. Coolant leaks, if ignored, can lead to an overheated engine in your 2008 Chrysler Town and Country Touring 3. I don't have any leaks underneath the truck. I too have a 2014 GC Limited 3. When you smell it pull over and check under the hood. Some other causes that will allow the oil and coolant to mix are: damaged engine block, overheating and water entering the exhaust pipe or air intake valve. (leave the AC off to eliminate the drain tube water) and park it and look under the hood and under the engine to see if you can find a drip that looks or smells like coolant. Its a 2003 f350 6. I dont know this engine to well yet, so in this cold weather I don't spend much time under the hood. I pulled into work yesterday and noticed some white smoke coming from under the hood. It turned out to be a leaking water pump. Gas was on the top. Smell Coming From a Car Air Conditioner. My minivan had a head gasket leak for a long time (it was really old and beaten up), trust me, I know what that smells like. Hello recently I've noticed after driving I can smell a coolant smell coming from the engine area. (I'm not chiding you for failing to make an under the hood diagnosis from the driver's seat while in motion---I'm. Secondly, you are SURE its antifreeze (not trying to diminish you abilities, just posing the question)?. i have not noticed any. All vehicles need some form of coolant. It may be from toxic liquid ethylene glycol, otherwise known as antifreeze or engine coolant. The exhaust of my A3 TDI smells like burning rubber. Strong coolant smell outside the truck when it's off. Check coolant levels frequently! If you smell antifreeze, investigate immediately. The most common thing it could be is coolant burning off. You open up your car door and it hits you like a freight train of funk — the unmistakable stench of death. To help ensure that your engine stays cool under pressure and to help you stay out of the breakdown lane, we’ll start by inspecting your coolant or antifreeze level. Now it will go low every other month, sometimes every month. Opened the hood and removed the plastic engine cover and smelled coolant and saw spewed coolant. i only smell it outside, and only after truck has run for a little while. I topped up the surge tank with pre mixed Dex cool. BAAAAD Burning Rubber Smell Under the Hood. I started. The first time I took it in, they replaced the thermostat in the coolant system. I'd been to the dealership for a GOF appointment a day or so earlier, apparently the lube techs missed that on their final walkaround. Did not smell anything like antifreeze at all. The coolant was clear-ish, looked like green tea, with an odor that was slightly less than the ammonia under your sink. Pop the hood and inspect all the fuses under there. I have a very slight coolant smell from my 2911 NA since purchase at 12k Km. Did not smell anything like antifreeze at all. ) Your mechanic may have noticed that the color was diluted with something else, and he may have assumed you mixed a traditional coolant with your OAT coolant. Any ideas?. This coolant smell though, worries me. Thick, heavy odor, sometimes accompanied by smoke from under the hood or from the exhaust. When I go to add more GM Dexcool (50/50) mix with water, do I add it to the fill area on the right hand side under the hood?. When I have the windows down and take a turn slowly, it will sometimes waft back into the car and I can smell it. No oil in the radiator. There's been a bad smell coming thru the vents for a few months, can't say what it is but it scares me. Not mold/mildew then. I don't get the smell while driving or idling but only after the truck is shut off and sits for a bit. If you notice that the coolant has dropped, get it checked out, as modern cooling systems shouldn't really need topping-up between services. While you’re under the hood, check the fender sheet metal. com is a one-stop-shop for quality, discount auto parts and car accessories across a large selection of vehicle makes, including, but not limited to: Ford, Dodge, Toyota, Honda, Chevy, Volkswagen and more! We take pride in offering a simple shopping experience with 5 star customer service, taking the stress out of car maintenance and. I have 123,000 miles on it. Coolant Leak. If your oil level is OK and the coolant level OK go to the nearest auto parts store, like AutoZone or Advance, except in CA they will read the codes for free. Re: Antifreeze odor 97 F150 4x4 Heated coolant is much easier to smell than cold coolant (of course) so it's possible that there is a leak/seep very close to where the exhaust manifolds can heat it such as from a "frost plug" or possible an intake manifold gasket has sprung a leak and it's trickling down close to the exhaust. org members. During winter starts I started noticing a slight antifreeze smell. When there's white smoke, check first for coolant leak. Coolant usually feels like water but has a sweet smell. steam smells like antifreeze, sweet and nasty. Popped the hood to look for leaks, no leaks. Or, you might be on your way to the … Continue reading "My Car Smells Like Antifreeze: What's Going On?". Just had the engine coolant changed at the dealer and I noticed it is blue in color. Auto Diagnosis - What's That Smell? SMELLS LIKE: MAPLE SYRUP. Did not smell anything like antifreeze at all. Not as much as Methylpercatan, but enough. At freeway speeds for extended periods of time, a little bit of oil will seep from one valve cover bolt and be flung by the fan onto the header and burn off - It smells funny, not really like oil or like antifreeze, but it might be something like that. If Your Car Smells Like Maple Syrup Or Fruity Candy What it might be: Coolant. As your coolant and water increase in temperature and approach the boiling point, the state of the liquid begins to change to a gas, seen as steam. 66000 mi: Chevy customer service suggested I take car back in to investigate coolant smell. While pumping I saw steam coming from under the hood on the passenger side by the windshield.