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Paulbeard
Samba Member
Joined: July 10, 2015
Posts: 2604
Location: Seattle
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 Posted: Sat May 19, 2018 10:20 pm Post subject: Re: Cooling system anomaly (overflow tank…overflows?) |
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| Phaedrus wrote: |
I'm not convinced there's any need to be alarmed...
Dan over at Louis Foreign Auto could sort you out  |
This is where I am…Dan knows the Tiico, especially this one, pretty well. I'll keep monitoring it. Maybe not using it as a daily driver is part of the problem…  I hear things that ain't there.
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Currently -> Frida: 87 Tizian Red (mostly) Vanagon GL Westfalia w/ 2.0L ABA conversion
Formerly -> Steward of a 73 Super Beetle (Beater) and 67 Beetle 1300 (Little Max) both names by POs
— dhaavers |
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Ahwahnee
Samba Member
Joined: June 05, 2010
Posts: 9810
Location: Mt Lemmon, AZ
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| Posted: Sun May 20, 2018 7:29 am Post subject: Re: Cooling system anomaly (overflow tank…overflows?) |
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| Paulbeard wrote: |
| ...No head space in the pressure tank and when cool the overflow tank drops back to MAX or just below... |
Okay - it is quite possible that you simply had the overflow quite full to begin with and opened it while it was in 'expansion mode'.
We all tend to stress a bit about coolant levels and engine heat - so it is normal to read too much into a situation. |
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Mellow Yellow 74
Samba Member
Joined: October 14, 2014
Posts: 1615
Location: Sydney, Australia
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| Posted: Sun May 20, 2018 3:42 pm Post subject: Re: Cooling system anomaly (overflow tank…overflows?) |
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Any air in the system will eventually find its way out via the vent holes in the top of the overflow tank and if the tank is over full it will squirt water out along with the air. I had this happen after I removed the heater core to replace the fan and it wasn't a big deal (and it wasn't a blown water jacket seal which seems to be the default diagnosis on here for anything related to the cooling system).
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1962 Karmann Ghia
1974 Deluxe Microbus
1985 Caravelle (Vanagon) |
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E1
Samba Member
Joined: January 21, 2013
Posts: 6572
Location: Westfalia, Earth
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| Posted: Mon May 21, 2018 9:16 am Post subject: Re: Cooling system anomaly (overflow tank…overflows?) |
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Have you tested the blue cap???
This sounds exactly like when mine have failed -- air bubbles and all. We had three fail within our first year, one black one from FLAPS, and two blue ones that were equally undesirable.
We carry two extras now, all made by Blau.
Here's the test:
https://m.youtube.com/watch?v=RT8Ew43mNg4
Thinking worst-case is never a good idea in Vanagon ownership, not good for blood pressure management.
_________________
‘84 Westy, 2.1L with Digijet, 5.43 R+P, GT Gears
"Adding power makes you faster on the straights.
Subtracting weight makes you faster everywhere."
— Colin Chapman |
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