Hi folks,

        I had a very similar situation this may with my 85 1.9 engine.

I bled the system as Stuart recommended and air did come out.  I repeated with van front end raised on steep slope and got more air then finally fluid. 

never saw a temp problem and now the coolant level seems fine and operation normal for both long an short trips and nearly 900 miles later.  I may’ve introduced air when replacing the rear heater core last February.

Hopefully like me it is just a temporary glitch for you.

Eric Caron 
85 GL Auto Westfalia 

> On Jul 9, 2015, at 1:39 PM, Neil N musomuso@gmail.com [wetwesties] <wetwesties-noreply@yahoogroups.com> wrote:
> 
> > ..... overflow tank was empty. I half filled the overflow tank with water. Drove
> > the rest of the way in to LA with no problems
> 
> Was 'rest of drive into LA' a shorter distance and generally less
> stressful on engine than distance driven before issues happened?
> Did level remain same at overflow tank after this distance was driven?
> 
> I didn't know that the 1.9 fill bottle had a vent. (same for 2.1?).
> 
> If not many miles were put on the bus after rad and hose work, as per
> the air in system comments, maybe air remained in cooling system since
> that work done?
> 
> If the temp gauge stays in the normal range, were it me, I'd just keep
> an eye on the coolant level and drive normally. I'd also watch the
> coolant return inlet at expansion tank to see if air bubbles were
> coming into tank.
> 
> It's entirely possible that the fill bottle could've been filled too
> high, engine cold, then when engine got hotter than normal and coolant
> expanded (poor choice of word), the system bled off excess as it's
> designed to do?
> 
> Neil.
> 
> On 7/9/15, steve@bluedawgpromotions.com <mailto:steve@bluedawgpromotions.com> [wetwesties]
> <wetwesties-noreply@yahoogroups.com <mailto:wetwesties-noreply@yahoogroups.com>> wrote:
> > On a road trip to LA with my son in our '84 Westy. 2 years ago replaced
> > engine with a GW 2.3l. A couple years before that replaced the radiator and
> > all coolant hoses. ..... Coolant started spewing out of the
> > overflow tank behind the license plate via the little spout thingy at the
> > top of the tank - a fairly good amount. I verified that there wasn't any
> > coolant spewing out of any other spots. All hoses looked good, the
> > expansion tank and blue cap looked good and in tact.
> >
> > Did the Fort Tejon tour, which is fantastic, and after about an hour popped
> > the engine cover to check things out. The expansion tank was full, the
> > overflow tank was empty. I half filled the overflow tank with water. Drove
> > the rest of the way in to LA with no problems and the temp gauge for the
> > most part stayed slightly below the blinky light - right where it usually
> > is. I also verified the fan up front on radiator is working.
> 
> -- 
> Neil n
> 
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> Posted by: Neil N <musomuso@gmail.com <mailto:musomuso@gmail.com>> 
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