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Date:   Wed, 30 Mar 2016 17:39:59 +0000
Reply-To:   Jim Felder <jim.felder@GMAIL.COM>
Sender:   Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:   Jim Felder <jim.felder@GMAIL.COM>
Subject:   Re: Coolant Loss- is it that time again?
Comments:   To: Stuart MacMillan <stuartmacm@gmail.com>
In-Reply-To:   <02ef01d18aaa$e8df8090$ba9e81b0$@gmail.com>
Content-Type:   text/plain; charset=UTF-8

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 >


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