'04 TL has sweet smell under hood
#1
'04 TL has sweet smell under hood
i have an 04 TL auto with sport shifting. I was on the interstate, running it hard and when I got home and pulled in the garage, there was a sweet, almost maple syrupy smell coming from the engine bay near the fire wall on the passenger side. Maybe even a plastic melting smell. It was weird. Im new to the TL so Im just learning the motor and whatnot. The car has 38k original miles also. Any advice?
#5
Race Director
If it's at the firewall, could be a loose/cracked heater hose or a failing heater water valve (not sure what the official name is). The smell is most definitely coolant.
#6
Suzuka Master
iTrader: (1)
As the coolant will evaporate on the hot parts, sometimes it is difficult to pinpoint unless there is running liquid. If coolant level has dropped, or just to check, throw a pressure tester on the cooling system when cold. It can be done cold or warm, but I prefer cold. Let it sit for quite a while to see if the pressure drops, and if it does, look for the coolant.
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#11
Team Owner
The first and easiest place to check is the little hose between the radiator and overflow tank. Mine leaked since new and it was just enough that I couldn't find it until there was a small buildup of dry coolant on top of the radiator. A small black ziptie fixes it. I've seen several TLs leak in this area. It will not show up on a pressure test.
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