Question:
What is up with this car? New tstat and the temp gauge is staying at normal level, but when I come to a stop after hwy driving-I can smell anti-freeze smell coming through vents, Once I drive I start moving, the smell is gone. Any ideas? I am baffled.
Answers:
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Have you checked your heater core for any leaks? Maybe it's a slight leak that builds up coolant while driving down the highway (when the system is more pressurized than at idle). When you stop and idle, the system loses pressure and is no longer feeding the leak and what is there cooks off, giving you the smell. Just a theory, but I would check your heater core to be sure.where do i buy a 2004 chevy cavalier service manual?
check the water pump for leaks. good chance it is. if it is leaking, better get it fixed asap. if u run it out of water, u'll cook the engine fast. u'll know ur out of water when u turn on the heater and it blows cold air...yet the temp gauge reads 150, and still climbing.How do you improve a weak car battery?What do you add?
You may have a small antifreeze leak. In my experience, it has most often been a small "hard to see" leak in an antifreeze hose. But the leak could be anywhere in your cooling system.which Alloy wheels are best for CAR.?
The antifreeze smell is probably from the vapors that come from the leaking antifreeze getting on a hot engine surface, producing a strong odor.
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Here's why I think you only smell the odor at idle. At idle, the car is not moving and the odor is at full strength, not being mixed very much with the surrounding air. But, when the car moves, the odor mixes more thoroughly with the air due to the air movement around the car.
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There are some things you can do. You could look all around the coolant hoses for coolant leaks after you have been driving long enough to get the engine up to normal operating temperature. If you know other parts of the cooling system, such as where the radiator is, you could examine those parts for coolant leaks, also. However, because the leak is likely to be small, the coolant may be turning to gas as soon as it hits a hot engine part, which means it would be hard to see the leak. If you do not personally find any leak, you could pay a radiator shop or dealership to do a pressure test on your cooling system to locate any leaks.
Ask how bad the leak is, where the leak is located, what work needs to be done to fix the leak and an estimate (cost) for them to fix it. You may be able to fix the leak yourself if it something like a leaking coolant hose. If the leak is slow, you may not need to fix it right away. If you are having bad weather or will be traveling in underserviced areas or are planning a long trip soon, I suggest you get the leak fixed as soon as possible.
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the only time you smell antifreeze through the vents is when your heater core is leaking!!! look for wettness on the floor by your glovebox. it's a pain in the *** to fix depending on the make and modelMore Questions & Answers ...
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