Thanks everyone for your advice and comments. This is a really neat list. 
I guess I'm an idiot though. I have no money to pay for a repair so I kept going. I have a mechanic in LA that I finally just paid off for the engine rebuilt that was done almost a year ago. I have an opportunity to make money in the next few days in LA so hopefully I can make it there and get this thing fixed. 

> On Jul 1, 2014, at 5:22 AM, Angus Gordon <birdworks@gmail.com> wrote:
> 
> 
> Hello Erin,
> 
> You would definitely be risking the engine by continuing. Hopefully you stopped. :)
> 
> Be sure to consider the water pump and belt as possible culprits.
> 
> 
> Angus
> 
> 
>> On Jun 30, 2014, at 10:32 PM, Erin Daniels <eirejammer@GMAIL.COM> wrote:
>> 
>> I am currently on the road and my van is overheating. I have to drive with the heat on or else the temp sensor will go all the way to he right and then start blinking. My vanagon has a fairly new motor and a recent tune up. I suspect that the radiator needs replacing since it's the original 85 radiator. I'm near Redwood City headed to Los Angeles this evening. 
>> I am now leaking coolant from the main coolant tank I believe hats where it's coming from. 
>> Should I make this trip over the grape vine or am I risking blowing my engine? The radiator seems to be cool, too cool. No apparent difference from one side to the other. The back of the van is hot. 
>> Any advice is much appreciated. 
>> 
>> 
>> Erin Daniels
>> 85 water cooled Vanagon