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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 14+: 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.

  • Too much ignition advance ??
    Historical mailing list - Morris H. Arthur
    Thu, 2 Nov 1995 10:09:27 -0500
    Have any of you ever noticed your timing advance too much at higher rpms ? I have a stock centrifugal/vacuum advance distributor on my...
  • Re: A/C help needed
    Historical mailing list - Fredrich Hesterberg
    Tue, 29 Apr 2003 23:44:50 -0500
    ...It will take you till the cows come home to get a good vacuum. I have a comercial pump. It cost $395.00 It...
  • Re: How long to pump down A/C ?
    Historical mailing list - Steve Cotsford
    Sun, 25 May 2003 09:42:01 EDT
    ...I would suggest that you pull the vacuum down for at least 45 mins. Longer if you can wait. If you are using a...
  • Bleeding (my heart doth bleed)
    Historical mailing list - Dan Houg
    Thu, 3 Nov 1994 16:00:43 CST6CDT
    Here's the long version of a new twist on coolant bleeding, using a 'vacuum source.' You air-heads ;-} may want to just delete...
  • Re: Eng. off/cold; brake pedal goes to floor. Eng. on/pump pedal; pedal height ok.
    Historical mailing list - neil
    Sun, 8 Oct 2006 12:52:48 -0400
    ...I believe a fault at vacuum assist/booster would give a hard pedal with greatly reduced brake effectivness. i.e. one would lose mechanical...
  • Re: Fuel Filter "Update" Results
    Historical mailing list - David Beierl
    Sat, 27 Jun 2009 16:49:38 -0400
    At 02:08 PM 6/27/2009, neil N wrote: >Assuming: > >at higher engine RPM's, (intake) manifold absolute pressure rises, >more vacuum applied...
  • Re: Fuel flow issue 83.5 1.9 WBX
    Historical mailing list - Neil N
    Sun, 24 May 2015 20:13:27 -0700
    ...The engine has to be running so it can pull a vacuum at vacuum hose to the fuel pressure regulator. This pulls the diaphram...
  • Re: Miracle
    Historical mailing list - Bob Stevens
    Sat, 4 Apr 2009 20:20:05 -0600
    ...I always crack the slider just a smidge to eliminate that vacuum thingy, since I have a center console I have to come through...
  • warm idle mystery on my `71
    Historical mailing list
    Thu, 15 Sep 94 12:08:02 PDT
    ...Normal logic says carb problems or vacuum leak, but... I checked the intake manifold and associated vacuum lines coming off of the manifold- no...
  • High Idle on 87
    Historical mailing list - Dave
    Wed, 21 May 1997 22:34:58 -0500
    ...I checked the vacuum lines, When I disconnected = the white or purple vacuum lines, the ones that come from the big = canister in the...
  • Late model VW electronic ignition questions.
    Historical mailing list - Jeff Strickrott
    Fri, 1 Nov 2002 21:06:48 -0500
    ...can I get something after market? Lastly, should the vacuum lines to the vacuum advance/retard distributor be left connected or disconnected when setting...
  • Re: 87 westy ac refrigerant
    Historical mailing list - Bill Marshall
    Mon, 10 Feb 2003 10:12:27 EST
    For r134 to work, you MUST evacuate/pull a vacuum first. You could add cans all day, but if you have air or moisture...
  • vacuum servo question
    Historical mailing list - Craig
    Tue, 3 Jun 2003 20:57:12 -0700
    ...master cylinder to discover--- fluid or oil, lube? in the the vacuum servo unit! Is this normal? I hope so or else cha ching...
  • Re: Vacuum forming
    Historical mailing list - J. Harvey
    Fri, 31 Oct 2003 21:44:03 -0800
    ...Vacuum forming > > >It seems I have come into possession of a big vacuum forming machine >that can handle materials to 1/4 inch thick...
  • Re: [Re: 91 Vanagon GL Top Speed?]
    Historical mailing list - Karl Wolz
    Fri, 29 Jun 2001 15:06:54 -0700
    ...Daylight Time, > pancho@SPEAKEASY.ORG writes: > > << that only works in a vacuum... >> > > Even if my feather is 1 micron but weighs 5 billion tons...
  • Re: AFM Voltage Ratios
    Historical mailing list - Dennis Haynes
    Sat, 4 Nov 2006 14:11:49 -0500
    The relationship between manifold absolute pressure (or vacuum) is not directly related to airflow. Yu can low air flow and high vacuum, high airflow...
  • Fuel Pressure Regulator Vs Auto transmission
    Historical mailing list - Greg Potts
    Thu, 14 Dec 2006 12:55:36 -0500
    ...I don't have a vanagon Bentley on hand, but I can't see (understand) how the vacuum system and the auto transmission are...
  • Re: Correct evap/vent hose?
    Historical mailing list - Chris S
    Sat, 17 Apr 2021 09:48:31 -0400
    ...20:52: > > I replaced the vent lines on my fuel tank and evap system last year with this: > > "Cloth Braided Fuel/Vacuum Hose - Black...
  • more Syncro-Diff questions
    Historical mailing list - Malcolm Stebbins
    Wed, 2 Dec 1998 17:56:53 +0000
    ...Am I doing any harm? 3) What is the advantage of a vacuum activated diff-lock over a mechanical push-pull cable?? Thanks,Malcolm...
  • Sticky distributor advance?
    Historical mailing list - jhlauterbach
    Tue, 17 Apr 2001 21:52:32 -0400
    ...On the vacuum advance, when I pull the hose that goes to the base of the idle adjustment screw, the engine speeds up. Is...
  • Re: Rough running till warmed up
    Historical mailing list - Mike S
    Tue, 21 Aug 2007 18:26:58 -0400
    ...That would not be considered a vacuum leak, because anything leaking past the throttle plate is still measured by the air sensor, so the...
  • 2.1 wbx oil tower, vent, function
    Historical mailing list - Alistair Bell
    Wed, 23 Aug 2023 08:59:23 -0700
    ...I’m guess that allows some passage from crankcase even when diaphragm pulled down under high intake vacuum. In short, my understanding is… the...
  • Re: Flickering Oil Light at Idle
    Historical mailing list - Max Wellhouse
    Sat, 6 Sep 2014 17:11:27 -0500
    ...The Vacuum >> gauge just reads vacuum, but the temp gauge reads both water and oil >> temps with a flip of the right side toggle...
  • Re: carburator for a '73 bus
    Historical mailing list
    Mon, 17 Jul 95 8:54:51 MDT
    ...The vacuum ports don't match the stock setup so the timing is off. Get a Bosch 009 and the problem goes away. 2...
  • Re: Brake Fluid, Where is it going!?
    Historical mailing list - jules
    Fri, 2 Mar 2012 16:33:27 -0500
    ...body of the booster (go in where the vacuum booster line attaches) and apply vacuum to the hose and see what, if anything, comes...
  • Re: Friday question.Re: Vacuum gauge NVC
    Historical mailing list - Richard A Jones
    Sat, 22 Aug 2009 14:46:45 -0600
    ...When I attach the > vacuum gauge under a single venturi it produces rapid swings from zero to > 20. Hmmmm.... Maybe this is a 356...
  • Re: Air Fuel Mixture Logic
    Historical mailing list - EMZ
    Sun, 28 Dec 2003 10:20:57 -0500
    I would check for vacuum leaks. Injector seals, manifold gaskets, vacuum lines, rip in boot. These are all places that you can have vacuum...
  • '85 vac lines
    Historical mailing list - Rocko Flamefart
    Thu, 26 Dec 96 08:29:26 -0600
    >>electronics, exhaust, FI, etc., but the problem I am having is sorting out >>the extra vacuum lines. These are the larger ones on the...
  • Cruise Control
    Historical mailing list - Chad Morris
    Wed, 29 Oct 2003 14:12:44 -0700
    ...So I have concluded that the vacuum loss is definitely somewhere in the hose that goes from the vacuum pump to the valve on...
  • Re: shout out to the list -- road-side repairs -- vacuum leak, duct tape
    Historical mailing list - Eric Caron
    Tue, 9 Jun 2020 18:54:07 -0400
    ...But, you need some work on your vacuum lines. Eric > On Jun 9, 2020, at 6:31 PM, Gabriel Hourtouat <ghourtouat@GMAIL.COM> wrote...
  • Re: Compression braking & Power Loss
    Historical mailing list - Dennis Haynes
    Fri, 24 Feb 2006 23:19:50 -0500
    ...On gasoline > engines it's > > > >actually VACUUM braking, i.e. the pistons are pulling against > a vacuum in > > > >the intake tract. The big air...
  • Re: Advice on TD engine problem
    Historical mailing list - kenneth wilford (Van-Again)
    Tue, 12 May 2015 08:33:52 -0400
    ...It seemed to us that the oil pump was not being driven by the vacuum pump. There was some small damage around the slot...
  • 83 Vanagon stalling again!
    Historical mailing list - DIGEST Jesse Falsone
    Mon, 20 Oct 1997 11:49:31 EST
    I thought I had this problem fixed after I replaced the fuel pump, tuned the van up and replaced the vacuum lines, but here...
  • Re: Filling the coolant reservoir...
    Historical mailing list - David Beierl
    Tue, 10 May 2016 19:53:24 -0400
    ...We think that way because we're surrounded by air and have to press against it to make little pockets of vacuum. If we...
  • Re: Vanagon Syndrome??
    Historical mailing list - Raceingcajun
    Tue, 17 Jan 2006 14:03:37 -0600
    ...Is to put a vacuum gauge on your engine and run the RPM'S up to about 2000 RPM'S. If the exhaust has...
  • Re: That Audiovox Cruise Control
    Historical mailing list - Rocket J Squirrel
    Wed, 27 Oct 2004 08:58:29 -0700
    ...the Wonderbus 84 Westphalia: "Mellow Yellow (The Electrical Banana)" KG6RCR Greenamyer, William L wrote: >The vacuum tank is used to help out when the...
  • Re: Throttle Valve Stop Screw Adjustment.
    Historical mailing list - Scott Daniel - Turbovans
    Thu, 5 Jul 2012 12:36:57 -0700
    ...just never heard of it being called a Vacuum Switching Module .. which is misleading anyway, in my mind, as it does not switch vacuum...
  • diesel-gas conversion problems solved!
    Historical mailing list - Matt Ratto
    Wed, 29 Jan 2003 17:41:42 -0800
    ...It sounds a little rough, overheats, and there's a vacuum leak from somewhere (possibly the intake manifold itself?!) but it runs. Tomorrow I...
  • Re: Driveability issues with a non-stock engine
    Historical mailing list - Damon Campbell
    Fri, 21 Jan 2005 08:10:14 -0800
    Hello Jim, Could you elaborate a little bit? What is the best way to check for a vacuum leak? Was flowing propane around the...
  • Re: Extreme Tank Vacuum Solved
    Historical mailing list - Stephen Overmyer
    Thu, 9 Sep 2004 13:03:31 +1000
    ...Extreme Tank Vacuum Solved I was getting really annoyed with the tank suction problem, so I dug = around in the archives and found a...
  • Re: Just Gotta Be A Vacuum Leak!!
    Historical mailing list - Jake de Villiers
    Tue, 5 Aug 2008 23:17:28 -0700
    ...I >>> am tapping vacuum from the FPR port to run both my vacuum gauge on >>> the dash and the MAP sensor for the Haltech...
  • Re: [Audi-VW-Diesels] Klankenstinkenwagen
    Historical mailing list - Maynard Southard
    Sat, 10 Aug 2002 13:53:18 -0400
    ...Disconnect the hose from the top of the vacuum pump, start the engine and put your thumb over the pump outlet (inlet?). If you...
  • 80 Vanagon Fuel Pump Buzzing Saga - Fixed (?) but now bogging
    Historical mailing list - Eric and Marica
    Sat, 2 Aug 2003 16:48:15 -0600
    ...This may be related or not but I had to splice in about 4 inches of rubber vacuum line on the thin solid plastic...
  • Re: CANCEL THAT: WAS Testing fuel delivery results, one oddity, now NO oddity
    Historical mailing list - Scott Daniel - Turbovans
    Sun, 19 Aug 2012 17:50:34 -0700
    ...2.2 bar >>> PASS >>> With vacuum hose (2) DISconnected spec: approx 2.5 bar, measured: 2.2 >>> bar HUH? >>> >>> The pressure did not change...
  • Re: home made pressure bleeder
    Historical mailing list - Mike
    Wed, 11 Mar 2009 22:05:59 -0400
    I own and use both a Motive pressure bleeder, as well as the $19.95 HF vacuum bleeder. They both can do the job...
  • Re: fuel pressure regulator and manifold vacuum experiment
    Historical mailing list - Michael Townsend
    Fri, 17 Aug 2001 16:32:40 -0400
    ...fuel pressure regulator and manifold vacuum experiment > Date: Friday, August 17, 2001 4:03 PM > > > I have one of these vacuum guages and I...
  • Re: GW LED Kit, Exterior
    Historical mailing list - Larry Alofs
    Sat, 12 Mar 2016 16:25:34 -0500
    ...Many of us with Subie conversions find that the cruise works fine when the OEM vacuum line is simply connected to the Subie vacuum...
  • FOLO UP: As non-mechanic, am I crazy to pull my own Fridge?
    Historical mailing list - Nolan Hester
    Tue, 20 Aug 2002 10:05:12 -0700
    ...Fridge lit immediately after that, so thanks to all for the advice\encouragement and I'm glad I used the vacuum before I actually...
  • Re: vacuum bleeding?
    Historical mailing list - Phil Zimmerman
    Tue, 2 Mar 2004 10:45:04 -0500
    ...to bleed the cooling system on a Vanagon by using a vacuum pump? Would it be possible to hook up an electric pump of...
  • Centrifugal Advance problems
    Historical mailing list - Anthony Zygmunt
    Sun, 30 Sep 2007 15:14:24 -0700
    ...The vacuum advance works fine. The problem is that I am not getting any centrifugal advance. I verified this by shinning the timing light...
  • Re: Compression braking & Power Loss
    Historical mailing list - dooley
    Fri, 24 Feb 2006 12:56:48 -0500
    ...On gasoline engines it's > >actually VACUUM braking, i.e. the pistons are pulling against a vacuum in > >the intake tract. The big air...
  • Re: scary cruise control
    Historical mailing list
    Sun, 11 May 1997 19:57:42 -0400
    ...An aftermarket cruise unit I had, kinda generic, it was Dana I believe had a method of connected the brake mounted vacuum dump and...
  • Re: Broken New Engine, What is fair resolution?
    Historical mailing list - Jere Hawn
    Wed, 10 Apr 2002 09:04:54 -0700
    ...Did you change your water pump? One of the best vacuums in the system is the vortex of the water pump which also happens...
  • Re: rough idle, gas guzzling, oil dripping van
    Historical mailing list - Geza Polony
    Tue, 21 Feb 2006 15:42:23 -0500
    ...Check/replace all vacuum hoses. Especially the large ones near the engine block, under the air flow meter/air filter bucket. Use clamps and...
  • Re: Just Gotta Be A Vacuum Leak!!
    Historical mailing list - Jake de Villiers
    Tue, 5 Aug 2008 22:54:53 -0700
    ...I >> am tapping vacuum from the FPR port to run both my vacuum gauge on >> the dash and the MAP sensor for the Haltech...
  • Brake Problem....on '84
    Historical mailing list - Jason M. Yasment
    Wed, 18 Aug 1999 20:59:39 -0400
    ...Is there a vacuum assist to the brake system? I have a loopy idle also and need to crawl around and investigate a disconnected...
  • Re: Vacuum forming
    Historical mailing list - Bob Stevens
    Sat, 1 Nov 2003 00:08:10 -0700
    ...COM> Sent: Friday, October 31, 2003 10:44 PM Subject: Re: Vacuum forming > Can somebody expain/show what the utility covers look like? From...
  • Re: White powder in battery box bottom
    Historical mailing list
    Tue, 24 Jan 2006 03:07:16 EST
    ...vacuum it out of there, wipe it down with a dry ray, vacuum it again, and then wipe it out with a damp rag...
  • Re: 82 Aircooled Temp II sensor ohm's
    Historical mailing list - jake beaulieu
    Fri, 1 Jul 2005 13:03:26 -0500
    ...82 Aircooled Temp II sensor ohm's Jake wrote: <<< I replaced all the vacuum lines on my 82 air cooled Westy. Bus Boys has...
  • Oil brather vacuum leak? Kenny?
    Historical mailing list - HotelWestfalia
    Mon, 7 Nov 2011 19:59:39 -0800
    ...You say, you had a vacuum leak "at the oil breather tower" and you fixed it by "wrapping a tape around the top". Question...