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Search preserved mailing-list messages and current email and website contributions. Current posts are searchable before weekly archival. Recovery gaps remain possible. Words are matched together; try fewer terms if needed.

Page 2+: 60 results shown for Pressure cap.

Source-balanced relevance: matches from both collections are interleaved, with source dates breaking ties. Restoration time is not the original posting date.

  • Re: coolant resevoir cap
    Historical mailing list - Gerald Masar
    Fri, 2 Feb 2001 23:48:36 -0700
    Chris, Yes, it functions the same as a radiator cap, and is under pressure. It opens when hot to let excess coolant into the...
  • Re: Pressurized fuel tank..help needed
    Historical mailing list - Joseph Fortino
    Mon, 6 Jan 2003 17:44:29 -0800
    ...Joe On 06 Jan 2003, Vanagon man wrote: > You know.the deal where you take off the gas > cap and you hear the pressure...
  • Re: '86 Westy coolant questions
    Historical mailing list - Dennis Haynes
    Sun, 8 Apr 2012 01:04:02 -0400
    ...So, check which cap you have, who knows. Hector 1990 Carat 'Ursula' > > hi ... > Re pressure testing the cap .. > have you made an adapter gizmo...
  • Pressure cap
    Historical mailing list - MICHAEL POPE
    Fri, 21 Nov 2003 19:21:35 +0000
    ...I dont have a pressure guage tomorrow Sat. any other test for cap? Looking to do a holiday trip. Thanks in advance. Aiko Aiko...
  • Re: Calif 2008 emissions fuel tank pressure testing? /NO Emissions Question
    Historical mailing list - BenT Syncro
    Mon, 3 Mar 2008 13:29:06 -0800
    ...years ago. > The gas cap was tested off the van using a pressure hose & attachment. > There > was no pressure test of the gas tank...
  • Re: Cooling System Pressure
    Historical mailing list - Rico Sapolich
    Wed, 15 Mar 2000 11:48:23 EST
    ...The pressure cap limits pressure to about 10 to 12 psi. To verify have a mechanic "sniff" the overflow tank with the wand on...
  • Re: Cooling System Pressure Testing - make your own tool CHEAP!
    Historical mailing list - Tom Salicos
    Fri, 23 Mar 2007 10:38:08 -0800
    ...tools...A garden sprayer and an >>old brake fluid >> cap makes a great pressure bleeder. I can dig up the plan for it >>somewhere...
  • Re: Bleeding coolant
    Historical mailing list - Dennis Haynes
    Fri, 23 Feb 2007 15:44:42 +0000
    ...Wit the engine cold, start it, and check the level in the pressure or main tank. Open the cap and top it off if...
  • Re: looking for a tool to pressure test my coolant system
    Historical mailing list - George Goff
    Fri, 3 Jun 2005 13:30:42 EDT
    ...George * To gut the pressure cap, pick out the sealing ring then, cupping the cap in your hand with its opening facing away from...
  • Re: Never a Dull Day (Coolant Burp)
    Historical mailing list - Michael Diehr
    Tue, 6 Jun 2006 10:37:04 -0700
    ...Does this suggest a bad pressure cap rather than a leak?
  • Motive Power Bleeder (from digest)
    Historical mailing list - Don Hanson
    Mon, 1 Oct 2007 18:34:24 -0700
    If you plan on using your pressure bleeder very often, I suggest the one with the swivel in the hose between the MC cap...
  • Re: Coolant Rising Mystery
    Historical mailing list - John Rodgers
    Sun, 24 Mar 2002 13:29:39 -0600
    ...Replacement of the pressure cap, and the thermostat eliminated the problem. You might look into pressure cap and thermostat replacement. John Rodgers 88 GL...
  • Re: Lost coolant cap?
    Historical mailing list - Jennifer Rabbitt
    Wed, 10 Jan 2018 00:59:53 -0800
    ...The 2-way blue cap > dumps some coolant in it when the pressure exceeds the limit and it sucks > the coolant back in when...
  • Re: Coolant flow/air bleeding
    Historical mailing list - Ken Lewis
    Sun, 13 Jan 2008 17:12:29 -0500
    ...The pressure cap on the Vanagon is different than those in cars from the 60s. The Vanagon's cap allows coolant to be drawn...
  • Re: Coolant System Pressurization Woes
    Historical mailing list - Rico Sapolich
    Sat, 31 Mar 2001 20:21:55 EST
    ...If a foreign particle becomes lodged in the pressure or vacuum valve inside the pressure cap, the coolant system will not under normal operating...
  • coolant overflow tank
    Historical mailing list - Bill MacLachlan
    Mon, 25 Feb 2013 21:26:36 -0800
    ...Should the coolant overflow tank drain freely through the tube that connects to the pressure cap? I disconnected the connecting tube at the pressure...
  • Re: Aluminum coolant tanks. Why?
    Historical mailing list - Richard Koerner
    Sat, 24 Jul 2021 23:36:13 +0000
    ...not check out was the Blue pressure cap itself!!  The pressure tester device requires removing the Blue cap, installing the test kit in it...
  • Re: D17? See Bentley 80.14
    Historical mailing list - Rocket J Squirrel
    Sun, 6 May 2012 10:28:10 -0700
    ...The pressure cap Will. Not. Permit. a > pressure higher than the design pressure to remain in the system. That's > what the pressure cap...
  • Re: Overflow coolant Tank
    Historical mailing list - John Rodgers
    Sun, 26 Feb 2006 09:16:20 -0600
    ...I remember correctly, the cap is set for a releif pressure at just a fraction over 1 atmosphere of pressure. A test would be...
  • Re: My turn for a cooling sys question
    Historical mailing list - Scott Daniel - Shazam
    Sun, 28 Oct 2007 17:05:15 -0700
    I think those caps are sorta wonky. A known good used one is worth at least as much as a new one. Pressure test...
  • Re: Re temp gauge
    Historical mailing list - Tom Torrella
    Sun, 8 Jan 2012 21:21:47 -0500
    ...Next to the pressure cap is a coolant level switch (improperly referee as 'a probe'). See examples @ BusDepot though they don't list the...
  • Checking pressure cap function???
    Historical mailing list - Doug Alcock
    Sun, 28 Jul 2013 19:54:42 -0400
    Hi gang -- I've been blowing hoses on the coolant system ---- is there any way to check if the pressure cap is functioning correctly...
  • Re: '86 Westy coolant questions
    Historical mailing list - Hector Zapata
    Sun, 8 Apr 2012 08:51:00 -0400
    ...So, > check which cap you have, who knows. > > Hector > 1990 Carat 'Ursula' > > > > > > > > hi ... > > Re pressure testing the cap .. > > have you made an adapter gizmo...
  • Re: Blam! Bleeder valve destruction and some other thoughts!
    Historical mailing list - Mark McCulley
    Tue, 28 Mar 2023 08:29:28 -0700
    ...After working on this for many hours I discovered that the pressure cap that came on the new expansion tank was defective, it didn...
  • Re: Coolant with Zero Pressure
    Historical mailing list - Jere Hawn
    Sun, 14 Oct 2001 19:52:22 -0700
    ...Coolant with Zero Pressure The rad sprang a leak and to limp home I used a zero pressure cap on the 'pressure' tank. I...
  • Re: Checking pressure cap function???
    Historical mailing list - JRodgers
    Mon, 29 Jul 2013 09:02:51 -0500
    ...My understanding > is that the pressure cap should be venting at 15 psi. It is a new pressure > cap. I have an 84 Vanagon...
  • Re: water tank question
    Historical mailing list - W. Silva
    Sun, 13 Sep 1998 09:48:47 -0400
    ...are just not meant to withstand the pressure of most "city water" connections. Wendy & John Cape Cod, MA '85 Westy, "S-CAPE" LiMBO members
  • Re: Pressure releife valve
    Historical mailing list - Scott Daniel - Turbovans
    Wed, 7 Sep 2011 10:50:34 -0700
    ...if pressure suddenly drops ... you know there is a leak. if pressure gets higher than regulated .. then cap is probably not working .. that's...
  • Re: Help! 84 Westy coolant problem
    Historical mailing list - Rico Sapolich
    Wed, 10 Apr 2002 13:16:17 EDT
    ...Test the pressure cap first. Rich
  • Re: Checking pressure cap function???
    Historical mailing list - Dennis Haynes
    Sun, 28 Jul 2013 22:16:59 -0400
    ...My understanding is that the pressure cap should be venting at 15 psi. It is a new pressure cap. I have an 84 Vanagon...
  • Re: Calif 2008 emissions fuel tank pressure testing? /NO Emissions Question
    Historical mailing list - VW Doka
    Mon, 3 Mar 2008 14:28:55 -0800
    ...Calif 2008 emissions fuel tank pressure testing? /NO Emissions Question I are cornfused -- is CA testing gas caps or fuel tanks? Seems like some...
  • Where to get coolant system Pressure Checker?
    Historical mailing list - Mike Braden
    Sat, 22 May 2004 18:16:34 -0500
    Does anyone know where to get the coolant system pressure checker (attaches either to the pressure cap or the coolant tank) for an 1983...
  • Re: My Coolant Runneth Over
    Historical mailing list - Michael A. Radtke
    Wed, 26 Jan 2000 08:25:51 -0700
    ...If that's the case, a new pressure cap should solve the problem. I'm on my third. The pressure cap is the cap...
  • Re: A Different Coolant Problem
    Historical mailing list - mark drillock
    Mon, 9 Sep 2013 13:59:33 -0700
    ...A leaking cap valve reduces the system pressure so boiling is more likely to occur with a bad cap. Whether the "air" is combustion...
  • Re: weird smog rule
    Historical mailing list - Joseph Fortino
    Fri, 15 Nov 2002 08:14:12 -0800
    ...I think that it is > not pressure that is important for the working > cap but negative pressure. It maybe that this > smog test requirement...
  • Re: Cooling System Results - Interpretations anyone?
    Historical mailing list - Ken Lewis
    Mon, 7 Jan 2008 13:53:24 -0500
    ...I can both blow > into the cap and suck through the cap. There doesn't seem to be any > pressure resistance in the cap.........
  • Re: Calif 2008 emissions fuel tank pressure testing? /NO Emissions Question
    Historical mailing list - Michael Elliott
    Mon, 3 Mar 2008 14:51:15 -0800
    ...Calif 2008 emissions fuel tank pressure testing? /NO > Emissions Question > > > I are cornfused -- is CA testing gas caps or fuel tanks? Seems like some...
  • Re: Coolant Reservoir Boiling
    Historical mailing list - Scott Ohana
    Mon, 22 Jul 2013 22:58:17 -0700
    82 Diesel Vanagons don't havethe blue plastic pressure bottle caps.. they have a very normal conventional pressure cap ....like what American cars used...
  • Re: Flashing coolant light?
    Historical mailing list - Larry Alofs
    Tue, 28 Aug 2001 11:34:35 -0500
    ...If the flashing is truly caused by low coolant in the pressure tank and you have a good pressure cap, "air" may be getting...
  • Re: 4th heater core burst in 1 year!
    Historical mailing list - Michael Snow
    Thu, 28 Jun 2001 20:31:19 -0700
    AFAIK, the only pressure regulating device in the cooling system is the expansion tank cap. Could it be holding too much pressure? When my...
  • Re: Eurospec conversion/ coolant pressure/valves/etc.
    Historical mailing list - Frank Grunthaner
    Tue, 11 Jan 2000 19:31:56 EST
    ...Replacing the radiator? The maximum pressure applied is still given by the cap. 15 psi release cap (really 12 in my experience) is independent...
  • Re: Calif 2008 emissions fuel tank pressure testing? /NO Emissions Question
    Historical mailing list - Michael Elliott
    Mon, 3 Mar 2008 14:17:52 -0800
    ...years ago. >> The gas cap was tested off the van using a pressure hose & attachment. >> There >> was no pressure test of the gas tank...
  • Re: coolant tank cap
    Historical mailing list - John Rodgers
    Sun, 20 Sep 2015 10:38:40 -0500
    ...remove the blue, dome shaped cap from the coolant pressure tank? > Does it twist off like a bottle cap,or does it pop off...
  • Re: coolant overflow tank-OOPS!
    Historical mailing list - Dennis Haynes
    Tue, 26 Feb 2013 01:18:16 -0500
    Sorry but missed the point that he was checking the recovery tank, not the pressure cap. That hose often goes bad on the inside...
  • Re: Cooling System performance at altitude
    Historical mailing list - David Beierl
    Fri, 6 Jun 2003 22:12:42 -0400
    ...So the spring cap will keep the pressure limit constant relative to the local atmosphere (just as the fuel pressure regulator keeps the fuel...
  • Splittie gas cap problem
    Historical mailing list
    Wed, 01 Nov 95 12:07 CST
    ...Under most circumstances the pressure would equalize through the cap over a period of time. To me it's like putting an empty plastic...
  • Re: Pressure releife valve
    Historical mailing list - Scott Daniel - Turbovans
    Wed, 7 Sep 2011 16:14:29 -0700
    ...and pressure is getting very high ( say pressure cap stuck closed ) and you would not know it from just looking at the coolant temp...
  • coolant resevoir cap
    Historical mailing list - Chris D'Amico
    Fri, 2 Feb 2001 17:49:53 -0800
    dear list, is the main coolant resevoir cap (not the overflow res.) supposed to be a pressure sensitive type? i thought its main job...
  • Westy Sink faucet mods
    Historical mailing list - W. Silva
    Thu, 20 May 1999 13:12:19 -0400
    ...The pressure in some campgrounds can be as high as 100psi. Good luck, Wendy & John Cape Cod, MA '85 Westy, "S-CAPE" LiMBO members
  • Re: Blue pressure cap, 1 valve or 2?
    Historical mailing list - Dennis Haynes
    Sat, 24 Aug 2013 20:17:34 -0400
    ...Blue pressure cap, 1 valve or 2? 2.1 wbx. Cap that's on there now has one valve in the center. I picked...
  • Re: Testing pressure cap
    Historical mailing list - Benny boy
    Thu, 20 Sep 2007 22:41:21 -0400
    ...List, > >Is there a method for testing the coolant expansion tank pressure cap? > >we just drove Byron (85 GL) back up from his front...
  • Re: coolant overflow fears and thoughts
    Historical mailing list - Larry Alofs
    Wed, 8 May 2013 18:00:11 -0400
    Tom, If you (or anyone else) would like to make an adapter to test pressure caps, get this fitting from Stant: http://www.amazon...
  • Re(2): Nervous about heads
    Historical mailing list
    Wed, 8 Jan 1997 18:19:32 -0500
    ...in when pressure drops below a threshold pressure (don't know that either). Is there a simple way to test this cap. Like blowing...
  • Re: coolant leak
    Historical mailing list - Malcolm Stebbins
    Wed, 5 Sep 2001 13:56:54 -0300
    ...a radiator cap on my van, so where do you attach > the pressure checker? BTW, Autozone will let you borrow a > pressure checker (as...
  • Re: Coolant Tank Issues
    Historical mailing list - Scott Daniel - Turbovans
    Tue, 7 May 2013 12:13:28 -0700
    If you are talking about their still being pressure in the main pressure bottle, the one with the pressure cap on it, on a...
  • OEM Expansion Tank Pressure Cap sources?
    Historical mailing list - Mike \"Rocket J Squirrel\" Elliott
    Mon, 22 Oct 2007 09:48:43 -0700
    My 84 1.9L pressure cap has failed and I'm getting a German OEM loaner from a friend, to be replaced with similar...
  • Re: coolant level rising - addendum
    Historical mailing list - Rico Sapolich
    Thu, 23 Aug 2001 11:48:03 EDT
    In a message dated 8/23/01 11:41:38 AM, JKrevnov@AOL.COM writes: << The cap should relieve system pressure @ 13-17 psi...
  • Re: Coolant with Zero Pressure
    Historical mailing list - Dennis Haynes
    Sun, 14 Oct 2001 23:14:23 -0400
    ...Coolant with Zero Pressure The rad sprang a leak and to limp home I used a zero pressure cap on the 'pressure' tank. I...
  • Re: Pressure releife valve
    Historical mailing list - HotelWestfalia
    Wed, 7 Sep 2011 11:14:40 -0700
    ...The cap on the pressure tank is not being able to deal with > disaster fast enough. > Any of you ever did such thing? > Was...
  • Re: Propane Tank Filling
    Historical mailing list - W. Silva
    Fri, 23 Apr 1999 13:57:12 -0400
    Did anyone let the compressed air out of the tank after pressure testing it? Wendy & John Cape Cod, MA '85 Westy, "S-CAPE"