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Re: My 2001 ford windstar lx van smells like coolant when...
Several things to check. Have the cooling system pressure checked. A quick and simple test. Puts system under pressure and helps to locate a leak. The coolant doesn't just go away, it's got to be leaking either externally or internally. Be sure that the radiator cap is checked too. It needs to maintain the proper pressure for the system
Sound like coolant is leaking on the exhaust system. This can result in the smell and you will not see a leak as it is evaporating when it hits the hot pipes.
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Generally, white smoke is engine coolant burning. If it only happened for a few seconds, you may have leaked some on the exhaust pipes. I would check the engine oil and coolant levels with the engine cold, and then look for coolant leaks.
check all your hoses run vehicle for awhile the inspect hose in this area. look for obvious things next check at the engine to see if a freeze plug is leaking then inspect you heater assembly the core may be leaking I'm leaning toward a hose or shut off valve
Possible coolant leak on hot engine parts causing it to evaporate as it leaks. That would definitely invade the cabin air.
You would need to carefully check under the hood with the engine warmed up and running.
Also could be a headgasket failure between coolant channels and a combustion chamber. This latter problem sometimes shows itself as vapor at the tailpipe after there should be no more visible. You may also detect the odor of coolant there too.
Hopefully it is just excessive condensation in the exhaust, but more likely some sylinder is filling with water. Your coolant level probably falls down, without a visible leak. Check the oil for coollant trails and vice-versa. Do not use the van until you have the engine inspected, or you will make things worse or block the engine. The repair is quite complicated for home conditions, requires a torque wrench, checking the flatness of the surface of cylinder's head and more.
I can't help with the chimes, but as far as the awful smell, try changing the cabin air filter. It's under the hood on the passenger side. Close to the wipers up near the firewall is a rectangle cover about an inch thick and about 12-15" long. Inside is a filter. It's very easy to remove and replace, and this fixed the funky smell in my van immediately.
I am assuming you are seeing a steam column rising from the outside of the radiator on the passenger side. If this is the case you more than likely have a seam on the radiator leaking. These leaks can be small enough to be hard to detect with the eye. When the coolant leaks out and evaporates from the heat from the radiator it will usually give off a heavy sweet smell. This would defiantly indicate a coolant leak. That is where I would start.