This sounds like the classic head gasket problem, when the compression
leaks in to the cooling system.   There is a tool used to test for exhaust
gasses in the cooling system the mechanics can use for this.
                                                      Eric

Michelle Pesavento wrote:

> A big "Thanks" to everyone who responded to my request for help.  We decided
> to have it towed to Triple G in Charlotte.  Harold, the mechanic at H&H Auto
> Repair in Grover, was a stand-up guy not only helping my SO find a rental
> but also offering to tow the van to Charlotte at a significant discount.
>
> The head-scratcher at this point is that the guys at Triple G can't find any
> reason for the overheating.  They don't see any leaks in the cooling system.
>   The pressure was good, no loose hoses, etc.  When it overheated last week,
> it was spilling coolant from around the main coolant tank.  It's has had
> overheating issues before but my usual mechanic found nothing majorly wrong.
>   Anyone with a similar experience?  I don't have the service records in
> front of me so I can't tell you exactly what was done the last time it was
> in the shop.
>
> If we can't figure out what the problem is, we're going to have to sell it.
> No use in having the van if we can only go on short trips...
>
> TIA,
> Michelle
> '91 Vanagon Carat "Pete"
>
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