Search messages and discussions

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 1+: 60 results shown for Vacuum.

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

• Re: Testing fuel delivery results, one oddity
  Historical mailing list - mark drillock
  Sun, 19 Aug 2012 11:31:16 -0700
  ...It could be that the vacuum lines are not connected properly. Or the engine has a serious vacuum leak. Did the engine speed change...
• Re: vacuum and the fuel pressure regulator?
  Historical mailing list - Raceingcajun
  Mon, 28 Aug 2006 23:24:16 -0500
  ...vacuum and the fuel pressure regulator? > It correlates manifold vacuum to fuel pressure. High vacuum (idle), low > pressure; low vacuum (open throttle) high pressure.
• Re: 2wd locking diff - followship question
  Historical mailing list - mark drillock
  Thu, 7 Nov 2002 07:50:24 -0800
  It is a mechanical system, using vacuum pressure to move the locking parts in and out. No electricals are needed to operate the lock...
• Re: A/C Basic Path of Flow?
  Historical mailing list - John Bange
  Mon, 23 May 2005 09:26:41 -0700
  Specific reading doesn't matter so long as you have a halfway decent vacuum pump. Vacuum pressure should vary, depending on the capabilities of...
• Re: fuel pressure question-Again!!
  Historical mailing list - Mark Keller
  Thu, 24 May 2001 14:23:39 -0800
  ...Verify that your vacuum hoses are connected correctly, on Models with cruise control, the vacuum hose from the cruise control vacuum pump, near right...
• Can I switch Vacuum cans on these distributors?
  Historical mailing list - Tom Young
  Mon, 19 Feb 2007 16:08:07 -0800
  ...I believe the vacuum can on my 1982 (Federal) Vanagon is bad. I happen to have a good vacuum can from a 1981 (California...
• Re: Testing fuel delivery results, one oddity
  Historical mailing list - Rocket J Squirrel
  Sun, 19 Aug 2012 11:57:42 -0700
  ...It could be that the vacuum lines are not > connected properly. Or the engine has a serious vacuum leak. Did the > engine speed change...
• [NVC] Vacuum Forming
  Historical mailing list - John Rodgers
  Mon, 3 Jan 2005 14:06:53 -0600
  I now have access to a fair sized vacuum forming machine. Has a 6" x 24" x 48" forming capacity. Can vacuum form materials...
• Vacuum leak question
  Historical mailing list - John Brown
  Mon, 14 Apr 1997 10:50:57 -0700 (PDT)
  ...I checked the Bentley manual and I can't find any info on vacuum. I was wondering what vacuum (in mm of mercury) I...
• diesel vacuum pumps (little VC)
  Historical mailing list - Larry Alofs
  Thu, 8 Aug 2002 20:52:10 -0500
  ...Can someone tell me why they need vacuum pumps. Isn't there enough vacuum at the intake to run power brakes etc.? My Saab...
• advance mechanisms on digijet distributor?
  Historical mailing list - Damon Campbell
  Tue, 26 Apr 2005 00:03:07 -0700
  ...Where does it max out at?) * Vacuum advance (one half of the vacuum canister) * Vacuum retard (the other half of the vacuum canister) Static...
• Cruise control progress
  Historical mailing list
  Mon, 06 Jan 1997 15:03:00 -0500 (EST)
  ...Equus does not recommend the system for the vanagon because of the low vacuum levels supplied by the engine. The vacuum on the vanagons...
• Re: Vacuum Leak
  Historical mailing list
  11 Dec 96 14:56:39 PST
  Judy asks (type2 list) - > I had to tap into the intake manifolds for vacuum for my brakes. Now the > 2.0 won't pass...
• Vacuum Diagram
  Historical mailing list - Mark Keller
  Thu, 7 Jun 2001 21:45:15 -0800
  The vacuum diagram In the Bentley is at 24.24 and 24.24a and 24.24b. There are two sides. You seem to describe...
• Re: Testing fuel delivery results, one oddity
  Historical mailing list - Scott Daniel - Turbovans
  Sun, 19 Aug 2012 12:50:29 -0700
  ...It could be that the vacuum lines are not >> connected properly. Or the engine has a serious vacuum leak. Did the >> engine speed change...
• Re: vacuum and the fuel pressure regulator?
  Historical mailing list - Jake de Villiers
  Mon, 28 Aug 2006 20:20:28 -0700
  It correlates manifold vacuum to fuel pressure. High vacuum (idle), low pressure; low vacuum (open throttle) high pressure. I think I got it the...
• Re: Cruise Control
  Historical mailing list - Garrett Adams
  Thu, 18 May 2000 23:56:47 -0700
  ...The Vanagon's vacuum unit isn't really up to the job of supplying the necessary vacuum to the cruise control. This results in...
• Re: Checking engine vaccum
  Historical mailing list - Evan Mac Donald
  Sat, 10 Dec 2011 06:28:39 -0800
  In general there are two types of engine vacuum - ported and manifold. Ported vacuum is used for things like timing advance / retard, or other...
• Fwd: Vacuum pump
  Historical mailing list - Helmut Blong
  Thu, 14 Sep 2006 22:18:39 -0400
  ...If the brake vacuum booster or a vacuum hose to it fails, your brakes would just be much less responsive as the "Vacuum assist...
• Re: vacuum tee behind throttle on 1.9L engine (1984)
  Historical mailing list - David Beierl
  Tue, 23 Aug 2011 10:23:08 -0400
  At 07:54 PM 8/17/2011, John Lauterbach wrote: >Vacuum tee behind throttle has two UNEQUAL legs. Does leg with >restriction go to...
• Re: Cruise control progress
  Historical mailing list - Lawrence Johnson
  Tue, 07 Jan 1997 10:12:28 -0800
  ...Equus does not recommend the system for the vanagon > because of the low vacuum levels supplied by the engine. > > The vacuum on the vanagons...
• Re: advance mechanisms on digijet distributor?
  Historical mailing list - Old Volks Home
  Wed, 27 Apr 2005 11:24:36 -0700
  ...Where does it max out > at?) > * Vacuum advance (one half of the vacuum canister) > * Vacuum retard (the other half of the vacuum > canister) > > Static...
• Cruise Control Vacuum
  Historical mailing list - Zoran Mladen
  Thu, 22 May 2025 20:11:53 +0000
  ...I put a vacuum gauge on the vacuum pump and ran it.  It is very weak...only generating 1 pound of vacuum.  This seems...
• Re: Overland TDD conversion details
  Historical mailing list - David Brodbeck
  Sun, 9 Feb 2003 17:27:39 -0500
  On Sat, 8 Feb 2003, David Marshall wrote: > There is a vacuum pump on all VW Diesel motors - right where the distributor > would be...
• Re: Cruise control progress
  Historical mailing list - Pascal Giasson
  Wed, 2 Mar 2011 10:08:34 -0500
  While searching for a replacement cruise control kit I discoverd this in the archives, that describes what is happening to my Equus vacuum cruise...
• Re: Vanagon A/C and controls
  Historical mailing list - Al Knoll
  Tue, 1 Jun 2004 07:07:53 -0700
  Hi Doug, Aftermarket vacuum switches intended to do just what you have in mind are FLAPS available. You connect it to your intake vacuum...
• Timing the watercooled?
  Historical mailing list - Scott Maurer
  Mon, 16 Dec 1996 20:16:47 +0000
  ...No vacuum at the timing retard vacuum hose. Bentley shows (page 24.24), that mine is an early version with vacuum sources for timing...
• Vacuum Canisters (was: cruise controll)
  Historical mailing list - Michael A. Radtke
  Mon, 19 Oct 1998 15:46:42 -0700
  Hello, Vacuum canisters don't make vacuum. If your cruise is not fully functional on your car's open throttle vacuum, your cruise control...
• vacuum tee behind throttle on 1.9L engine (1984)
  Historical mailing list - John Lauterbach
  Wed, 17 Aug 2011 19:54:39 -0400
  ...Does leg with restriction go to distributor vacuum advance or does it go to emission control system? Restriction was on side going to vacuum...
• Re: Friday question.Re: Vacuum gauge NVC
  Historical mailing list - Scott Daniel - Turbovans
  Sat, 22 Aug 2009 14:48:04 -0700
  ...usually when one is checking engine vacuum..... it's about engine condition, And , not to get all nitpicky .........but engine vacuum doesn't go...
• Re: [T2] Can I switch Vacuum cans on these distributors? No, I can't!
  Historical mailing list - Tom Young
  Wed, 21 Feb 2007 15:53:06 -0800
  Removed the old vacuum can on the Federal distributor and went to remove the can on the California distributor when I realized the two...
• fuel pressure regulator and manifold vacuum experiment
  Historical mailing list - Scott G. Terry
  Fri, 17 Aug 2001 11:37:31 -0700
  Hi All, There was some discussion about fuel pressure regulator (FPR) testing and manifold vacuum (MV) a couple of weeks ago on the list...
• Re: WTB rear differential lock externals
  Historical mailing list - mark drillock
  Tue, 21 Mar 2006 06:48:15 -0800
  ...actuator bracket and mounting hardware vacuum actuator 3 rigid vacuum lines, long 5 rubber vacuum connection ends rubber T fitting vacuum reservoir and grommet...
• Vacuum guage
  Historical mailing list
  Sun, 13 Oct 1996 10:28:58 -0500
  Hello David I have had a vacuum guage in my '86 syncro for about 4yrs now. I decided to run a sereate hose. I...
• Re: No vacuum @ locking diff control
  Historical mailing list - Dennis Haynes
  Sun, 11 Dec 2011 08:52:26 -0500
  The black line is the vacuum source and the white-Blue goes to the actuator. That is not a switch but a valve. Under...
• Vacuum for That Audiovox Cruise Control
  Historical mailing list - Michael Elliott
  Fri, 10 Jun 2005 13:06:33 -0700
  The install manual sez to connect the product's vacuum hose to, "an existing vacuum hose that has constant vacuum while the engine is...
• Re: fuel pressure regulator and manifold vacuum
  Historical mailing list - Scott G. Terry
  Fri, 17 Aug 2001 18:43:38 -0700
  Fuel pressure at the test tee should ONLY be "dead on [the Bentley] spec" IF your manifold vacuum is "dead on spec" AND you...
• Re: 2.1l vacuum readings?
  Historical mailing list - Bob Stevens
  Thu, 21 May 2009 22:27:08 -0600
  ...Lower vacuum readings directly related to engine misfiring may be a result of a burned exhaust valve. 6. Constantly changing vacuum readings at low...
• Re: Fuel Pressure Info
  Historical mailing list - David Beierl
  Wed, 1 Aug 2001 22:53:14 -0400
  ...New one is a pound high, old one two pounds high. >New Regulator-29psi@18"vacuum >Old Regulator-28psi@18"vacuum 18" vacuum = (29...
• Re: fuel pressure regulator and manifold vacuum experiment
  Historical mailing list - Michael Townsend
  Fri, 17 Aug 2001 15:39:39 -0400
  Hi, I have one of these vacuum guages and I have borrowed Robert Lilley's fuel pressure guage, so I will give your test...
• Re: Idle Gremlins - Success / Wasserboxer Infatuation
  Historical mailing list - Dustin Fitch
  Thu, 27 Mar 2003 21:22:48 EST
  Yes, vacuum vacuum vacuum. Bentley is right where the fuel adjustments are concerned too....I took for granted how truly sensitive the thing is...
• Re: advance mechanisms on digijet distributor?
  Historical mailing list - Jonathan Farrugia
  Tue, 26 Apr 2005 03:50:06 -0400
  ...Where does it max out > at?) > * Vacuum advance (one half of the vacuum canister) > * Vacuum retard (the other half of the vacuum > canister) > > Static...
• Re: Digijet Distributor Questions
  Historical mailing list - Coby Smolens
  Thu, 23 Aug 2001 03:01:47 -0700
  ...This source of vacuum is known as "ported vacuum". There should NOT be any vacuum at this port at idle - the timing is supposed...
• Re: Vacuum Advance/retard Dist. connections?
  Historical mailing list - Karl Wolz
  Fri, 5 May 2000 08:13:44 -0700
  ...connections? > I have been told that I have a Vacuum advance/retard distributor on my engine which was used on the 76 Bus and...
• Re: Which gauges?
  Historical mailing list - Joel Walker
  Fri, 2 Jun 2000 17:09:34 -0500
  ...high vacuum means the engine is really sucking the air in ... and fuel, too. mercedes used to put vacuum gauges in several of their...
• Vacuumn advance problem - update
  Historical mailing list
  28 Nov 94 17:19
  Hi all, Let me just remind you about my problem, I wasn't getting any vacuum at the carb vacuum iutlet to advance the...
• brake booster diagnostics
  Historical mailing list - Dan Houg
  Fri, 19 Jul 1996 13:22:11 CST6CDT
  ...With the engine turned off, listen for > a vacuum leak. If no vacuum leaks are heard, wait two or three > minutes, then depress the...
• (Fwd) brake booster diagnostics
  Historical mailing list - Dan Houg
  Wed, 19 Jul 1995 16:00:15 CST6CDT
  ...With the engine turned off, listen for > a vacuum leak. If no vacuum leaks are heard, wait two or three > minutes, then depress the...
• Re: Syncro "factory" vacuum source
  Historical mailing list - Larry Hamm
  Thu, 18 Jan 2001 12:09:29 -0700
  ...Can someone explain exactly where the > intake manifold vacuum source is "supposed to be" for the Syncro locking > differential vacuum system? The Bentley doesn...
• RE: Cruise control for '80-82 Vanagon
  Historical mailing list - Michael A. Radtke
  Tue, 19 Dec 1995 16:41:10 -0700
  ...Perhaps the Zemco design requires very little vacuum. When I did my first bus installation, I worried about the vacuum motor as you pointed...
• Re: Brake dilemna continnued.............
  Historical mailing list
  Tue, 27 Nov 2001 10:43:21 EST
  Before you get too excited, try checking vacuum at the engine. If you vacuum is low there then this could cause your booster problems...
• Re: Friday question.Re: Vacuum gauge NVC
  Historical mailing list - Richard A Jones
  Sat, 22 Aug 2009 15:37:58 -0600
  ...With the plate closed, the "suction" the device sees is the vacuum pulling through the idle circuit. That's what you are usually trying...
• Re: Bed Extension Tool Cabinet
  Historical mailing list - Loren Busch
  Fri, 27 Oct 2006 12:28:43 -0700
  > > RE: > Get one of those vacuum storage bags that you use with the vacuum cleaner. > Keeps it 'fresh' and makes it really small to...
• Vacuum pump
  Historical mailing list - Helmut Blong
  Thu, 14 Sep 2006 21:33:08 -0400
  ...Since your clever like that, what do you think is the most common cause for a sinking brake pedal? I figure vacuum as I...
• Re: Manifold measuring - is this right?
  Historical mailing list - Mark Drillock
  Wed, 24 Oct 2007 16:34:34 -0700
  I would use the vacuum line to the fuel pressure regulator. Mark Mike "Rocket J Squirrel" Elliott wrote: > Hi, I'm looking for leaks...
• Brake booster troubleshooting
  Historical mailing list - Dan Houg
  Mon, 27 Feb 1995 22:31:45 CST6CDT
  ...With the engine turned off, listen for a vacuum leak. If no vacuum leaks are heard, wait two or three minutes, then depress the...
• Re: Vacuum
  Historical mailing list - Robert Ueltzen
  Tue, 16 Feb 2016 10:16:30 -0800
  Air-cooled and Digijet engines had vacuum-advanced distributors. The fuel pressure regulator is also vacuum controlled. The source for these devices are the...
• Re: vacuum and the fuel pressure regulator?
  Historical mailing list - Larry Alofs
  Tue, 29 Aug 2006 08:10:05 -0500
  Under high load conditions (less intake vacuum) it increases the fuel pressure to supply more power. Larry A. d spence wrote: > What is the...
• sources for small vacuum tubing and fittings
  Historical mailing list - John Lauterbach
  Mon, 30 May 2011 16:35:35 -0400
  Following-up on suggestion that I had a vacuum leak, I found several suspect pieces of tubing and connectors. My engine has combination of...
• vacuum hose source
  Historical mailing list - Dan Houg
  Fri, 21 Jul 1995 08:51:27 CST6CDT
  don't forget fleet/farm supply stores have LOTS of vacuum hose for milking systems. it's usually clear but very thick wall to...