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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 Bypass filter.

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

  • Re: 85 Westy GL- Winterizing tips?/Newbie Tips
    Historical mailing list - Budd Premack
    Fri, 23 Oct 1998 00:55:37 -0500
    ...I recall that it is also connected with the differences in oil bypass springs, which allow some of the oil to bypass the filtering...
  • 82 diesel 1.6na- Blowing out filters
    Historical mailing list - Frank Lee
    Wed, 17 Jun 2015 10:39:07 -0400
    ...out the big Mann oil filter, spewing out the oil. Something about oil pump check valve or bypass? Does anyone have direct experience with...
  • Re: Clakity-Clack
    Historical mailing list - Dana Morphew
    Mon, 6 Aug 2001 08:26:19 -0700
    ...It allows some/all of the oil to bypass the filter media and to flow out the large hole without first being filtered when...
  • Re: Oil filter question
    Historical mailing list - Jim
    Mon, 1 Nov 2010 10:46:01 -0700
    ...Re: [VANAGON] Oil filter question > FWIW, almost all oil filters have anti-drain back valves, and bypass > valves as well. It is the quality...
  • Re: Oil Filter & Oil Pressure - 1982 A-C M/T Vanagon/Westfalia
    Historical mailing list - Dennis Haynes
    Mon, 28 Sep 2009 23:29:38 -0400
    ...The proper filter for that engine does not even have any valving in it. No anti drain back or bypass. The bypass valve is...
  • Re: Clakity-Clack
    Historical mailing list - John Rodgers
    Mon, 6 Aug 2001 19:20:23 -0500
    ...It allows some/all of > the oil to bypass the filter media and to flow out the large hole > without first being filtered when...
  • external oil filter/cooler connections HELP!!!!
    Historical mailing list
    Fri, 17 Nov 95 09:13:20 EST
    ...I am going to just bypass the filter if can't determine at this stage, but since I need to put the old bus...
  • cold start problem leads to another Q re filter; available from suppliers?
    Historical mailing list - Judith Barr/Leo Girard
    Wed, 22 Sep 1999 16:45:03 -0400
    ...filter I found a plastic cube like in-line filter (resembles gas line filter) in the 1"(?) air lines feeding the air bypass octopus...
  • Re: Golf GTI oil coolers available?
    Historical mailing list - Frank Grunthaner
    Fri, 28 Sep 2001 18:12:25 EDT
    ...As for the flange, I have used the remote oil filter kits available from the FLAPS. The end plate adapter is generally well made...
  • fl-400s
    Historical mailing list - Mike Riley
    Sun, 26 May 2013 12:26:08 -0400
    anybody use a motorcraft fl-400s oil filter on the waterboxer? Has a silcon anti drainback valve and the same low bypass psi as...
  • Redux on the Gas Return line bypass
    Historical mailing list - Max Wellhouse
    Mon, 3 May 2010 13:39:09 -0500
    Can someone send me via pmail the subject line or link for the return gas line bypass that was discussed a week or so...
  • Re: 719/5 vs 719/12
    Historical mailing list - Dennis Haynes
    Wed, 27 Aug 2008 11:58:19 -0400
    ...This is the bypass valve. The Water boxer does not have this so it has to be in the filter. Most after market filter...
  • Re: [VWPICKUPS] Gulf coast oil bypass filter system.
    Historical mailing list
    Mon, 27 Dec 1999 14:28:38 EST
    ...The filters are a roll of toilet paper in a canister less the cardboard roll. All the applications I have seen have been very...
  • Re: Oil Filter
    Historical mailing list - Mark McCulley
    Mon, 28 Apr 1997 13:16:58 -0700
    ...These filters include an oil pressure relief system to bypass a clogged filter so as not to starve the engine of oil in such...
  • Re: Redux on the Gas Return line bypass
    Historical mailing list - Scott Daniel - Turbovans
    Mon, 3 May 2010 16:07:24 -0700
    ...Redux on the Gas Return line bypass > Can someone send me via pmail the subject line or link for the return > gas line bypass...
  • larger filter for 1982 aircooled
    Historical mailing list - David and Shirin
    Wed, 19 Nov 2003 12:21:32 -0500
    I just called Wix filters tech line and had them look up the largest filter with the same specs as my stock oil filter...
  • Oil filter changes on diesels?
    Historical mailing list - Shawn Wright
    Wed, 14 Nov 2001 07:25:40 -0800
    ...I assume that provided the attachment to go on the oil filter flange has a bypass valve with the appropriate pressure, (ie: designed for...
  • Re: Anti-Drain Back Valve in Oil Filters??
    Historical mailing list - Dennis Haynes
    Mon, 2 May 2005 18:55:53 -0400
    The Vanagon oil filter does have a one way valve and a bypass. The diaphragm type thing at the top prevents oil from flowing...
  • Re: Oil filter question
    Historical mailing list - Dave Mcneely
    Mon, 1 Nov 2010 12:54:10 -0500
    ...Re: [VANAGON] Oil filter question > > > FWIW, almost all oil filters have anti-drain back valves, and bypass > > valves as well. It is the quality...
  • Gulf coast oil bypass filter system.
    Historical mailing list - Dominique Cormann
    Fri, 24 Dec 1999 01:51:38 -0500
    Jonathan Bartlett was nice enough to send me some pictures of the oil bypass system he installed on his Passat TDI. The system allows...
  • Re: oil filter for 2.1 l WBX?
    Historical mailing list - Keith Adams
    Thu, 16 Mar 2000 16:38:26 -0700
    ...A common theme with these filters is to have the anti-drainback valve built into the bottom of the filter cartridge with the bypass...
  • Re: Bypass oil filter
    Historical mailing list - Janne Ruohom�ki
    Tue, 29 Sep 2009 09:28:00 +0300
    ...but there is no need to re-invent the wheel. > Bypass oil filters have been around a long, LONG time. > The starndard procedure is...
  • Re: My First Oil Filter Failure
    Historical mailing list - Dave Bayer
    Thu, 20 May 1999 11:53:20 -0700
    ...However, your block also has a filter bypass valve (it's under that big slotted screw head just to the right of the filter...
  • Re: oil filter question
    Historical mailing list - The Bus Depot
    Wed, 23 Jun 2004 20:02:45 -0400
    >> The Golf/Jetta has an oil filter bypass in the engine, the Vanagon >> engine does not. This is the difference between the two filters...
  • Re: Relief valve parts
    Historical mailing list - Dennis Haynes
    Tue, 9 Nov 2010 23:57:02 -0500
    That ball valve over the filter on the air cooled engines is the filter bypass valve, not a pressure relief valve. The oil filter...
  • Synthetic Oil - Questions
    Historical mailing list - Brian Doss
    Fri, 19 Feb 1999 09:38:52 EST
    ...a quality filter, like the NAPA gold is that it has a valve which allows thick, cold oil to bypass the filter element until...
  • Re: Ideal oil filter by-pass pressure/oil filters
    Historical mailing list - Dennis Haynes
    Fri, 12 Sep 2008 00:19:30 -0400
    ...The oil filter bypass is there to prevent oil starvation and filter element damage if the filter can not pass oil and the pressure...
  • Things your throttle body doesn't want you to know.
    Historical mailing list - David Beierl
    Fri, 28 May 2010 00:52:04 -0400
    ...It could not idle down to spec because of all the (filtered, metered) air bypassing the throttle plate. Idle switch operation was also quite...
  • Re: Engine swap: stopped by oil filter
    Historical mailing list - James V
    Fri, 23 May 2014 13:51:54 -0700
    ...filter for idiots like me? I have read that the Mann W917 (Volvo) and Mann W712/80 (Saab) both fit, have similar bypass valve...
  • Re: Just interesting observation & More Questions(oil filters)
    Historical mailing list - jimt
    Sat, 18 Dec 2004 14:39:45 -0700
    ...The specs that filter manufacturers use are compromises to make the filter work for several makes of engine using the same size filter and...
  • Re: Oil Cooler
    Historical mailing list - Tim Schneider
    Thu, 22 Apr 2004 09:50:13 -0700
    ...that there needs to be provisions to raise the bypass >>pressure in the oil filter mount. >>So until I see viable scientific procedures that...
  • Good fuel filter arrangement?
    Historical mailing list - Rocket J Squirrel
    Sun, 19 Aug 2012 13:51:22 -0700
    ...filter for later years." And they sell adapter kits, one consisting of a simple 7mm-to-12mm adapter that lets a fellow bypass the...
  • Re: Oil filter changes on diesels?
    Historical mailing list - Gerald Masar
    Wed, 14 Nov 2001 10:16:52 -0700
    ...I assume that provided the attachment to go on the oil > filter flange has a bypass valve with the appropriate pressure, (ie: > designed for...
  • Re: Noisy lifter
    Historical mailing list - Dana Morphew
    Fri, 1 Dec 2000 09:28:37 -0800
    The Mann inline 4, 719/5, and Vanagon, 719/12, filters both have antidrainback flaps inside the perimeter oil entry holes. The Vanagon bypass...
  • Re: coolant filters, anyone?
    Historical mailing list - Michael Snow
    Wed, 13 Jun 2001 11:41:21 -0700
    ...If you use one at all, make sure that it is a BYPASS filter. This means that 100% of the coolant does NOT flow...
  • Re: Need help
    Historical mailing list - Robert Cardo
    Sun, 8 May 2005 22:40:18 -0500
    ...Better filtering paper. So if you were having problems with a no bypass Fram low dollar filter you'd have the same thing with...
  • Re: My First Oil Filter Failure
    Historical mailing list - Dominique Cormann
    Thu, 20 May 1999 20:50:57 -0400
    ...The filters we get here, you can see the spring loaded bypass valve at the to of the filter, from looking in the hole...
  • Re: Amsoil bypass oil filters
    Historical mailing list
    Wed, 29 Jan 1997 14:13:48 -0500 (EST)
    ...Also, this external filter arrangement provided me convenient places to mount my ne oil temperature and oil pressure sensors. Regards, Jim Davis 87 GL...
  • Re: Sandwich oil cooler adapter question
    Historical mailing list - Gary McEachern
    Fri, 21 Sep 2001 20:37:09 -0400
    ...they are bypass valves which only get used if the oil filter or cooler become blocked. Dennis -----Original Message----- From: Vanagon Mailing List [mailto...
  • Amsoil Bypass Filter - Questions
    Historical mailing list - Kevin J. Turinsky
    Mon, 23 Feb 1998 09:06:10 -0900
    ...It's the one with two oil filters: one is full flow, the other is, well, the...By-pass filter. I know a few...
  • Re: Sandwich oil cooler adapter question
    Historical mailing list - Coby Smolens
    Wed, 26 Sep 2001 23:52:35 -0700
    ...Stan, the ball/spring arrangement in the OE filter mount is a relief valve that allows oil to bypass the filter in the event...
  • Flickering Oil Light on 83.5 Westy
    Historical mailing list - Bill Thomas
    Mon, 1 Apr 2002 16:55:05 EST
    ...I run Mobil 1 15W-50 and use Mann filters. I have 176,000 miles and I have replaced the oil pressure bypass plunger...
  • Re: 82 diesel 1.6na- Blowing out filters
    Historical mailing list - Robert Keezer
    Wed, 17 Jun 2015 18:10:24 +0000
    ...out the big Mann oil filter, spewing out the oil.  Something about oil pump check valve or bypass? Does anyone have direct experience with...
  • Re: Valve lifter noise solution.
    Historical mailing list - Austin
    Sun, 28 Feb 1999 22:40:03 -0800
    ...I can't prove it, but I'll bet that since the oiling system is full-flow through the filter (as opposed to bypass...
  • Re: 85 Westy GL- Winterizing tips?/Newbie Tips
    Historical mailing list - Darrell Boehler
    Fri, 23 Oct 1998 03:46:00 -0500
    ...I recall that it is also connected with >the differences in oil bypass springs, which allow some of the oil to >bypass the filtering...
  • Re: Toilet paper filter is better
    Historical mailing list - Dominique Cormann
    Tue, 20 Jun 2000 02:50:20 -0400
    ...This is called a bypass system. Oil still goes through the normal filter, but some oil bypasses and is filtered in the lower micron...
  • Re: 82 diesel 1.6na- Blowing out filters
    Historical mailing list - Dennis Haynes
    Sat, 20 Jun 2015 09:37:57 -0400
    ...out the big Mann oil filter, spewing out the oil. Something about oil pump check valve or bypass? Does anyone have direct experience with...
  • Re: External Oil cooler
    Historical mailing list - Ken Lewis
    Tue, 11 Nov 2008 17:46:28 -0500
    ...Definitely use a thermostatic bypass. In the picture you will see the VDO oil pressure sender, oil filter and hard plumbing. I will hook...
  • Re: Re-useable oil filter
    Historical mailing list - Dennis Haynes
    Mon, 4 Sep 2006 22:45:55 -0400
    This is non sense! As for bypass valves opening at 12 psi, that is 12 psi across the filter element, not system pressure. For...
  • Re: Sandwich oil cooler adapter question
    Historical mailing list - Stan Wilder
    Fri, 21 Sep 2001 19:50:56 -0500
    ...they are bypass valves which only get > used if > the oil filter or cooler become blocked. > > Dennis > > > -----Original Message----- > From: Vanagon Mailing List [mailto...
  • Re: Anti-Drain Back Valve in Oil Filters??
    Historical mailing list - jimt
    Mon, 2 May 2005 09:40:04 -0600
    Especially since that valve is a bypass valve not a holding valve. Note its position. If the media becomes clogged the oil then pushes...
  • Re: Re-useable oil filter
    Historical mailing list - Tabe Johnson
    Wed, 30 Aug 2006 00:34:30 -0400
    ...The only valve in any oil filter is a bypass valve which would activate itself if the filter media got too clogged to pass...
  • Re: oil pressure relief valve spec
    Historical mailing list - Stan Wilder
    Mon, 12 Aug 2002 10:10:29 -0500
    ...At 80 psi the oil filter and oil cooler is bypassed and oil is being sent only to the bearings and back through the...
  • Re: Oil Filters: Fram vs Others?
    Historical mailing list - Dana Morphew
    Fri, 10 Nov 2000 07:28:18 -0800
    ...Its an easy feature for which to check a filter's having :)(I love it). The bypass valve is the spring-loaded valve which...
  • Vangon Fan Housing
    Historical mailing list - Dr. D.W. Carment
    Mon, 1 Aug 1994 15:11:18 -0400 (EDT)
    ...The filter is mounted on a remote adapter so this may also create some problems. JCW says that special oil bypass valves are necessary...
  • Re: Bypassed DIS
    Historical mailing list - Jack Reynaert
    Thu, 20 May 2010 10:11:35 -0400
    Assume you have a 1.9L??? What year is your Vanagon? The way to test the DIS is to bypass it, and see if...
  • Re: Oil filter changes on diesels?
    Historical mailing list - Paul Bingman
    Wed, 14 Nov 2001 07:55:20 -0800
    ...I assume that provided the attachment to > go on the oil filter flange has a bypass valve with the appropriate > pressure, (ie: designed for...
  • '91 Vanagon Newbie!
    Historical mailing list - David Thoresen
    Tue, 26 Jun 2001 22:27:20 -0700
    ...woohoo! So far this Van has been great! had a few issues but nothing a new Mahle oil filter/chevron supreme/duralube/castrol syntech...
  • Re: Sandwich oil cooler adapter question
    Historical mailing list - Dennis Haynes
    Fri, 21 Sep 2001 06:43:19 -0400
    ...they are bypass valves which only get used if the oil filter or cooler become blocked. Dennis -----Original Message----- From: Vanagon Mailing List [mailto...
  • Re: Transco oil filter system
    Historical mailing list - Stan Wilder
    Fri, 4 Jan 2002 23:06:10 -0600
    ...If your filter doesn't pass enough volume the bypass valve (little spring / plunger assembly) thinks its clogged up and partially bypasses it or...