Need help with a new (used) Taco...unknown lines

Hi all,

I bought this 2011 Tacoma used and have already removed the previous owner's rear towing harness and brake booster lines. I have now found this line and have no idea what it was or where it goes. The dealership seems to have uninstalled whatever it connected to and I'm not sure how to get the rest of it out. I thought it might be a transmission or oil cooler line since it looks like a small radiator was bolted to the front, but this is a 5-speed manual, so it wouldn't be tranny and I am not sure why an oil cooler line would run behind the firewall.

Does anyone know how to access the otherside of where this line goes, or where to get to it? Also, any idea what it is? Could it be brake lines for a trailer?

Thanks.

 

OK nevermind, looks like it is a drain for the A/C...see here:

http://www.tacomaworld.com/forum/2n...-passing-through-firewall-passenger-side.html

Although I am still wondering what could have been mounted in front of the radiator...?