David, if you bought extended warranty through the used dealer you should be okay. I believe that's the same thing Frank has since his was purchased used as well. If that doesn't pan out, I imagine the alternator is the same as on the 3.5 Troopers. Check your local AutoZone, DAP etc. for comparison. It's REALLY easy to change an alternator. Check a local starter shop to see what they'd charge for a rebuild, especially since it's just the VReg.

Scott, tear the engine apart for the thermo?!?! If I'm not mistaken it's right there front top and center. Just follow your upper coolant hose from the radiator to the engine and that's where it lives, right under the hose fitting to the engine. At least that's where it is on the 3.2 and the 3.5 is essentially the same mill. I'll double check mine tomorrow (after the shoot!) and post where I find it.