Welcome the to club if it's a automatic make sure the radiator has been replaced sometime the last 6yrs.
Here's the link for the problem on all 05-10 Frontiers
http://www.clubfrontier.org/forums/...mination-05-10-models-means-bypass-now-57547/
PS you don't have to Bypass you can just get a new radiator OEM, or aftermarket. Some of us have a CSF all aluminum racing radiator for additional cooling, and lack of the plastic top and bottom.
And if it looks like mine use to and is splitting where the aluminum coil and the plastic top crimp together it's not long for this world anyways.
Here's the link for the problem on all 05-10 Frontiers
http://www.clubfrontier.org/forums/...mination-05-10-models-means-bypass-now-57547/
PS you don't have to Bypass you can just get a new radiator OEM, or aftermarket. Some of us have a CSF all aluminum racing radiator for additional cooling, and lack of the plastic top and bottom.
And if it looks like mine use to and is splitting where the aluminum coil and the plastic top crimp together it's not long for this world anyways.