[37L1]

Originally Posted by 07whitenissan

I have an 07 titan and since it has been new it smells like coolant after driving it for awhile, when you get out after awhile you can smell coolant.. I have had it at the dealer 4 times and they are baffled.. it does not run hot and there are no leaks even when pressure tested.. with the heater on sometimes it fills the compartment up with the sweet smell of coolant.. it is intermitten but about 90% of the time it does it.. any suggestions or has anyone experienced this?? the dealer does not know what to do with it either.. but it is anoying when you walk across a parking lot and can smell your truck from 25 feet away... but at least I can find it if I follow the smell... any help would be appreciated... thanks

Some of the early models had a radiator cap problem and a hose clamp problem.

I guess the obvious is to look over coolant areas and look for the telltale.