Hi Jim,

Overflow in the rear (license plate) or expansion on the inside of engine
cavity?

thanks, Dave...

On Wed, Mar 30, 2016 at 10:39 AM, Jim Felder <jim.felder@gmail.com> wrote:

> Also if no one has mentioned it yet, be sure to check your overflow tank.
> If coolant spills out when you open it, it's coming out when you are
> driving and you don't know it. Replace the cap.
>
> Jim
>
> On Wed, Mar 30, 2016 at 12:38 PM Stuart MacMillan <stuartmacm@gmail.com>
> wrote:
>
> > Internal leak would be into the crankcase, and you'd know about that!
> > Blown internal head gasket ring would over-pressurize the system and
> > coolant would come out of the overflow bottle.  Keep looking, the front
> > heater valve above the spare or a cracked expansion tank can leak under
> > pressure and you don't always see it.
> >
> > Since you have metal coolant tubes to the radiator, I doubt those are
> > leaking like the plastic tubes do, but I'd make sure all connections are
> > tight. Last, it could be the outer rubber head gaskets with a slow leak.
> :-(
> >
> > Stuart
> >
> > -----Original Message-----
> > From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf
> > Of David
> > Sent: Wednesday, March 30, 2016 7:02 AM
> > To: vanagon@GERRY.VANAGON.COM
> > Subject: Coolant Loss- is it that time again?
> >
> > On my 85 1.9 (second set of heads...that we did 11 years ago) I'm
> > suspecting internal leakage...
> >
> > I have had a lot of coolant loss over a long period of time...I topped up
> > the bottle- thinkng that maybe when a heater control switch was switched
> > out that we just didn't get all the air out of the system...
> >
> > I did have another external leak that I fixed- but something just doesn't
> > seem right.
> >
> > Just finished pouring about a gallon of antifreeze into the system this
> > AM- and doing some bleeding...what's next? How can I locate this internal
> > leak?
> > Or would there be some other not so obvious places? Rear heater is
> > bypassed...maybe lost coolant from that operation and it's only showing
> up
> > now...something aint right!
> >
> > The engine runs like a champ- full power - after my more recent
> electrical
> > (I believe to have been) issues- reseating all major suspects...it runs
> and
> > idles wonderfully....
> >
> > Any advice is welcome... do we have to check for exhaust in the coolant?
> >
> > Dave
> > 85 1.9 GL MT
> >
>