Classic cylinder to head gasket failure symptoms.  Don't drive it much
farther without repairing, you (he) will only make things worse.

Jay L Snyder wrote:
>
> I have a friend who has an '87 Weekender that has a coolant problem.  He is
> currently seeing dramatic level changes in his overflow tank.  Coolant
> filling back into the tank (other than normal hot/cold
> expansion/contraction) to me indicates a leaking head gasket where some
> combustion gasses are forcing into the coolant system and displacing the
> antifreeze.  This would eventually overpressure the expansion tank and push
> coolant into the overflow tank.  Does this sound correct?  Are there any
> other possible explanations?  He has already put in a new radiator and the
> pressure cap was replaced.  I think he has observed some over-heating on
> longer trips and when he stops and checks the level, it is overfull.
>
>                                                              Jay

--
Stuart MacMillan
Manager, Case Program
800-909-8244 ext. 8208

Getting your share of the Net yet?
http://cobaltgroup.com
http://UsedEquipNet.com