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Date:         Wed, 30 Mar 2016 11:01:20 -0700
Reply-To:     David <fjazzbass@GMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         David <fjazzbass@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

Thanks, Stuart...I'm befuddled...no coolant popping out of overflow...

Heads look clean :-) I will give it a more once over when I'm off work...maybe I'm just losing it from one of the less obvious places....

On Wed, Mar 30, 2016 at 10:38 AM, 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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