TOM: So now, oils miraculously (I think) vary their viscosity to adapt to conditions, so we can spend our time more productively, like surfing eBay for more junk. But it was lame of your mechanic to send you on your way without figuring out what’s wrong. It could be the water runoff from the AC, yes don'tt use the AC until you get tthe AC drain line cleaned out. Water on floor passenger side from clogged AC condensate drain If your mechanic isn’t willing to put in the time to figure this out, then find someone else. Vibration felt through the floorboard can be due to tire imbalance, tire defects, or excessive radial force variation, on rear axle mounted tires. TOM: But when it’s winter, you want a lighter oil so the engine’s parts can move through it more easily. What you really need is “Other side up” to tell you when the genuine 4th-century Ming vase you bought on eBay for $49 is upside down and already broken. The engine oil lubricates internal engine parts to prevent friction, which is the main cause of heat inside an engine. TOM: But heat shields are made of cheap metal, and eventually they fall off, or start making so much rattling noise that people remove them. RAY: The second possibility is that something’s wrong with the engine that’s causing your converter to run hot. Water present on the floorboard is usually caused by one of two things. RAY: It’s “winter” Fred. This can cause hard starting when hot, as the fuel will have boiled out of the float bowl. maximum in all probability candidate is the heater center is leaking, or a hose it relatively is linked to the heater center. A leaking heater core can also cause the windshield to fog up, as coolant vapor travels through the defrost vents. Water seen dripping under the vehicle is from humidity removed by the air conditioner. Copyright © 2021 The Dallas Morning News. My 2002 Honda Odyssey (96,000 miles) has been a great car, other than having to replace the transmission at 60,000. When you use your A/C, condensation builds up as well, and this usually goes down a drain. A damp carpet or water on floor passenger side situation can be caused by a plugged AC condensate drain line, a leaking heater core, leaking windshield seal, a problem with sunroof drains or water ingestion from the fresh air intake on your car’s HVAC system. RAY: Now, since you’re an inquisitive fellow, Fred, you probably want to know why it’s not labeled “5W-20S,” then? Many manufacturers have incorporated an engine oil cooler into their vehicles which operates like a radiator. Typically, you’ll notice a drop in power because exhaust is unable to leave the engine freely, but you might not notice it. TOM: It sounds like heat is coming from a catalytic converter. RAY: Whatever it is, get it figured out and address it. RAY: It may be something minor, like a missing heat shield. If your fuel-air mixture is too rich -- due to a cylinder misfire, for instance -- gasoline will get combusted in the converter instead of in the engine. TOM: So you have two problems: A heat problem, and a mechanic problem. Next would be anything like windows or light fixtures recently repaired on the exterior of the car. Like your buttocks. Registration on or use of this site constitutes acceptance of our User Agreement, Privacy Policy and Cookie Statement, and Your California Privacy Rights (each updated 1/1/21). In over half of the cases, the child was left in the vehicle by accident. On a hot day, and especially if your wife has a bag in the left side of the foot well, it will get hot (no air circ above the carpet to dissipate the mild heat transferring up from exhaust, so it builds up) Has been with me since new. This seem to start about a few weeks ago, when it rain the passenger side of my HHr floor is soaking wet, water is getting in from under the dash behind the front floorboard, my car has 16,000 miles on it, and now is having problems like this, have anyone else are having this problem, I seen only one person under and article called kicking tires, where he having the same problem. TOM: You have two problems: a heat problem and a mechanic problem. McStay has seen his share of hot car casualties in the emergency room. Water is circulated into the passenger compartment through the heater core. So make sure your heat shield is intact. Exhaust runs right under that area. Outside water entering the passenger compartment – Rain water is the first common cause of water on the floor, soaking into and wetting the carpet of a car or truck. Or your next letter to us might start out: “My 2002 Honda Odyssey has been a great car, other than having to replace the transmission at 60,000 and the four-alarm car fire at 97,000!” Good luck, Beth. LOVE IT!!!!! The Main Causes of Car Smells Like Antifreeze but Not Overheating Several reasons are there for causing this problem. Water from humidity, removed by the air conditioner, is normally drained from the evaporator case. Run some hose water there and see if it comes out underneath the car freely, and isn’t diverting inside the car. But it was lame of your mechanic to send you on your way without bothering to figure out what’s wrong. If it is not in the front, it is probably a leaky window. If the wet floorboard is on the passenger side in the front, it is likely caused by a leaking heater core, the element that creates the heat for the vehicle. If OP determines the source is rain water, first suspect is the sun roof, if the car has one. Parts that get very hot, like catalytic converters, are surrounded by … The simplest is that a heat shield has corroded and fallen off. Make sure your coolant fan comes on around 105*C and make sure your heater core isn't cracked or blown (you can smell coolant through your heater&A/C vents. Thanks! It’s hard to believe that this is not a fire risk. Car stays outside; I have been thinking that it is rain water coming in. The simplest is that a heat shield has corroded and fallen off. The most likely cause is a leaking heater core. And it acts like a lighter, 5-weight oil in the winter, or in cold weather. So hot that it is uncomfortable to keep shod feet on the carpet for more than a few minutes! All rights reserved (About Us). The second reason is that it gives time for even the smallest leak to find its way into the car. Causes of a Wet Passenger Side Floor Mat #1: Bad Heater Core A similar problem could occur with the car's heater system. The heater core will obviously leak coolant (antifreeze) providing you have the correct mix of antifreeze in your radiator. But if it gets clogged then you might have a problem. You were answering a question a few weeks ago about what type of oil to use (5W-30, 10W-40, etc.). The hot oil is circulated to the oil cooler where heat dissipates before it … We took the car in to our regular mechanic, who generally does a good job. There’s one right in the spot you describe. All rights reserved. TOM: But heat shields are made of cheap metal, and eventually they fall off or start rattling so much that people remove them. On a hot day, and especially if your wife has a bag in the left side of the foot well, it will get hot (no air circ above the carpet to dissipate the mild heat transferring up from exhaust, so it builds up) Has been with me since new. One of the most common causes is a problem with the blower motor, which is the main component that circulates the cold or hot air through the system and into the vehicle’s cabin. Testing with a vacuum gauge will confirm a blocked exhaust system. Parts that get very hot, like catalytic converters, are surrounded by shielding material to prevent the heat from igniting something nearby. Or it could be something more significant. My question is: What does the “W” mean? 40 Report; fxp answered 3 years ago your right on hot days, it does puddle and drain under car. Oil’s viscosity -- or thickness -- is described as an oil’s “weight,” so that’s probably why there’s confusion about what the “W” means. Obviously, if one number is the cold-weather number, the other must be for hot weather. There’s a gadget in that path, often difficult to locate, that allows vent air to flow through and into the car, but divert rain water that gets in, back out. My 2002 Honda Odyssey has 96,000 miles and has been a great car, other than having to replace the transmission at 60,000. Because, of course excessive heat can be a fire hazard. It’s hard to believe that this is not a fire risk! There’s one right in the spot you describe. Also feel your carpets for water or dampness, if you suffer from your car's windows fogging up on rainy days even more than on the usual cold, damp days, Check your footwell carpets. Hi, sounds like you got two different issues. Note: It’s important to remember that the heater core is part of your car’s cooling system; it relies on hot engine coolant circulated by the water pump. As we explained above, condensation and excess water leave your car through an evaporator drain. If water has ever spilled on you from inside your car, it's probably from your HVAC. TOM: It sounds like the heat is coming from a catalytic converter, Beth. Your car’s thermostat is a valve that opens and shuts to regulate the coolant flow to the engine and radiator. many times, it relatively is on the passenger part under / contained in the sprint. This temperature differential will activate the chemicals in Pour-N-Go causing a permanent chemical weld at the leak point. BlueDevil Pour-N-Go is … Allowing your car to properly dry is good for two reasons. Mark helpful. Other signs of a faulty heater core include a sweet-smelling scent in your car, windows that become particularly fogged-up, and puddles under the dashboard or on the passenger-side floorboard. It states"Summary: Ford vehicle may exhibit a difficult to diagnose water leak in the front floor area.May be caused by loose grommets … The heater core is like a small radiator. -- Fred. This should thoroughly dry out any remaining moisture. TOM: Because the “summer” designation is unnecessary. If that gadget gets obstructed with debris this symptom can result. But AC condensers in cars do produce a lot of moisture. For years, I understood it to mean “weight.” But then I read some literature published by Shell Oil Co. stating that the “W” meant “winter,” and that “weight” was a misnomer. Contributing factors in the circumstance you are describing could be worn struts in the suspension. RAY: There are three possibilities that come to mind. Conversely, if the A/C is the source, water will likely show up on hot and sunny days when you use it the most. The simplest is that a heat shield has corroded and fallen off. Just move the bag and let the area dissipate the heat. 6 Answers. When you regulate the thermostat from hot to cold and don't hear the blend door moving, there may be a problem with the blend door, linkage, wiring, or the thermostat switch, depending on the vehicle. So, what is your take on this? That’s what happens when converters get old. Coolant Accumulated on the Floorboard Typically, you’ll notice a drop in power because exhaust is unable to leave the engine freely, but you might not notice it. Are these problems related? Try to wipe the fog off of the windshield—if it smears and has a sweet smell, it’s coolant from a leaking heater core. A heater core is responsible for a vehicle’s defrosting and heating actions. That’s what happens when converters get old. If you don’t feel that your mechanic is willing to put in the time to figure this out, then find someone else (check the Mechanics Files at cartalk.com for a free list of highly recommended mechanics by ZIP code). Clogged Evaporator Drain. Keep the car’s doors open and leave the fans running for at least a day inside your garage. Or your next letter to us might start out: “My 2002 Honda Odyssey has been a great car, other than having to replace the transmission at 60,000 and the four-alarm car fire at 97,000!”. And that can produce a lot of heat -- which you will feel, whether the heat shield is intact or not. TOM: According to the American Petroleum Institute, which is sort of the Vatican of oil, when you see a designation that reads, for instance, 5W-20, it means that the oil acts like 20-weight oil in the summer -- or, generally, in hot weather. The heater core is heated by the engine coolant. I mean, Fred, I’m sure you understand why we have multi-viscosity oil. Our regular mechanic said that everything is fine as long as nothing is glowing under the car when it gets that hot. Exhaust runs right under that area. Just bought a 2007 Ford Focus SES. Also, when it rains, the windows fog up from the inside. Become a business insider. The heat may be normal, or it may be caused by a plugged up or dis functioning converter. If you can, station a dehumidifier in your garage while the fans are running to take as much wetness out of the air as possible. And you’re right, of course, that excessive heat can be a fire hazard. This is good. I went from a 2003 jeep Cherokee gas guzzaler to this sweet car, what an improvement! I would call it NORMAL. In the winter, everything’s harder to move. Switch the thermostat from hot to cold and listen. In the old days, people had to drain out their summer-weight oil in the fall and put in winter-weight oil. Heater cores are typically situated directly in … We want the water to flow out of your car through the evaporator drain. What could be the cause(s)? The heater core is designed to last the life of the vehicle—but that doesn’t always happen. I have never felt the water drip on my feet while I am driving. You can see them drip under a car on a hot day if you look close. Need exclusive stories only we can tell? Common Causes of Car A/C Leaks 1. Inside water leaks are typically caused by a leaky heater core or an A/C water leak. RAY: There are three possibilities. Note to readers: if you purchase something through one of our affiliate links we may earn a commission. Fresh water on the floor, with no odor or loss of coolant is more often humidity removed by the evaporator. If your fuel-air mixture is too rich — due to a cylinder misfire, for instance — gasoline will get combusted in the converter instead of in the engine. -- Beth. A heater core is made up of brass or aluminum tubing that carries the hot coolant in and out, along with fans that disperse the heat released by the coolant. The material on this site may not be reproduced, distributed, transmitted, cached or otherwise used, except with the prior written permission of Advance Local. Once your car is warmed up, there will be a temperature differential at the leak point in your heater core. Community Rules apply to all content you upload or otherwise submit to this site. It’s why boxes sometimes say “This side up” but don’t bother also saying “This side down.”. TOM: The final possibility is that your converter is plugged up. This will save you a great deal of money and give you the confidence and knowledge to … A plugged converter will run hot and eventually glow. I’m not confident I would be able to see something glow in broad daylight. Who are these Dallas Mavericks? Whenever you get it dry spray the rug on top and underneath witth vinegar, this will greatly slow down the mold and smell. Q: A few days ago I was cleaning out my car and noticed that the front passenger floorboard was damp. I mean, once you can see the words “This side up,” you already have that side up! RAY: The second possibility is that something’s wrong with the engine. Your engine makes use of the heated water from the engine cooling gadget to warmth the interior of your automobile. Over time, the device can become clogged or develop leaks. They tore down Dwaine Caraway’s poker house, and South Dallas may never be the same again. 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Seen his share of hot car casualties in the winter, everything ’ s one right in surface! The windows fog up, ” you already have that side up ” but don ’ t diverting the! Got two different issues feet on the road, generating a loud noise great car it! Has occurred engine coolant may be something minor, like catalytic converters, are surrounded shielding! Find its way into the car when it rains, the other must be hot...

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