I'll be starting with the bottle and cap and thoroughly checking out the
system. When the warning light came on I killed the engine and coasted to a
stop. Here's hoping i haven't done any damage.

Thanks,
Peter

On Sat, Jun 26, 2010 at 9:31 PM, David Beierl <dbeierl@attglobal.net> wrote:

> At 11:20 AM 6/26/2010 Saturday, Peter DiFalco wrote:
>
>> I did notice a tiny hairline crack in the top of the pressure bottle.
>> Yesterday the coolant light came on while pulling up a hill, fully loaded,
>> running A/C, but the engine temp stayed constant.
>>
>
> Dear Peter,
> The pressure bottle must hold pressure or the system will not work
> correctly.
>
> *ANY* warning light indication on a Vanagon is an issue of STOP RIGHT NOW
> and proceed no further without understanding the nature of the problem.  I
> don't mean in five miles, or a quarter of a mile, I mean NOW.  The most
> important reason for this is that the engine is aluminum, and that the
> coolant pump is driven by the alternator belt.
>
> Yours,
> David
>