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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 6+: 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: idle problems
    Historical mailing list - Dennis Haynes
    Mon, 23 Aug 2010 00:11:30 -0400
    ...Make sure vacuum "retard" on distributor is working and throttle closes far enough to get manifold vacuum to fully retard the timing with throttle...
  • Re: Gas Milage and the Fuel Pressure Regulator
    Historical mailing list - Mark Ingalls
    Thu, 10 May 2001 12:22:08 -0500
    ...The vacuum produced by the engine also affects fuel regulator pressure, because the strength of the vacuum is what keeps the fuel pressure LOW...
  • vacuum gauge diagnostics
    Historical mailing list - Craig Oda
    Thu, 7 Oct 2004 22:23:38 -0700
    ...I have a vacuum gauge tapped into a "T" on the vacuum line going into my fuel pressure regulator. I don't know how...
  • Re: Projektzwo Foglight Project - Bad News
    Historical mailing list - John Rodgers
    Wed, 23 Jan 2008 21:12:58 -0600
    Aren't those injections molded?? Kinda thick? The grille pieces are pretty thin material, and bend easily when heated in the vacuum of the...
  • tee between the warm up (auxiliary) air regulator and manifold the small connection had a restrictor in it
    Historical mailing list - John Lauterbach
    Tue, 31 May 2011 09:02:06 -0400
    ...My engine has combination of rubber/cloth vacuum tubing and hard plastic vacuum tubing. Can I go with the rubber/cloth vacuum tubing -- looks...
  • Re: Cooling System Pressure Gauge
    Historical mailing list - Jay L Snyder
    Fri, 2 Feb 2001 08:38:20 -0500
    How about a turbo boost gauge tied into the top of the radiator? They generally read full vacuum to about 30 psig, which would...
  • 90 Carat: A/C Dying Diagnosis Confirm Please
    Historical mailing list - Denis B�lisle
    Wed, 24 May 2000 00:52:23 -0700
    ...and normally you flush all the component the opposite of the normal flow And do a minimum of 45 minutes of vacuum , expansion valve...
  • Re: crappy vacuum at idle 2liter afc
    Historical mailing list - Stan Wilder
    Thu, 18 Jul 2002 18:57:54 -0500
    ...Dead on. > > Checked for vacuum leaks with Brakleen. None. > > Replaced all small vacuum lines. Done. > > swapped throttle body with another. Same result. > > CO is...
  • Re: Compression braking & Power Loss
    Historical mailing list - John Rodgers
    Fri, 24 Feb 2006 05:27:17 -0600
    ...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: Replacing the vacuum advance unit
    Historical mailing list - Old Volks Home
    Tue, 20 Apr 2010 10:49:28 -0700
    ...and remove the circlip attaching the vacuum arm to it, plus a few screws attaching the vacuum can to the distributor. BTDT. Don't...
  • Re: Vacuum hose slipping off fitting
    Historical mailing list - Neil N
    Mon, 6 Oct 2014 10:46:19 -0700
    And speaking of that small type of vacuum hose, on the 2.1 one of these hoses runs to the rubber boot at the...
  • Re: How to Adapt Brake Vacuum line for engine conversion?
    Historical mailing list - neil N
    Mon, 19 May 2008 19:45:18 -0700
    ...And for sure, I would NOT use NON vacuum type hose, unless I used it to connect a piece of pipe butted up against...
  • 2wd locking diff - followship question
    Historical mailing list - Jeff K
    Thu, 7 Nov 2002 08:16:17 -0700
    ...I'm assuming It's a vacuum lock, meaning I'll have to run vacuum lines from the engine to the tranny and back...
  • Re: '82 diesel resurrection death?
    Historical mailing list - Maynard Southard
    Mon, 30 Jul 2001 21:04:29 -0400
    ...Turned out that the vacuum pump had seized. The vacuum pump provides brake boost (and some minor ventilation flap movement). This pump is driven...
  • Re: The coninuing distributer saga - LOOONG
    Historical mailing list - B Feddish
    Sat, 1 May 2010 15:41:49 -0400
    ...Advance connected to tee to throttle body (ported vacuum), reduction orifice then to charcoal canister shut off valve. (Late version)Vacuum retard hooked to...
  • Friday question.Re: Vacuum gauge NVC
    Historical mailing list - Ken Lewis
    Sat, 22 Aug 2009 00:20:26 -0400
    ...All web sites state a "normal" engine's vacuum, at idle, is ~ 17 to 21 inches at the intake manifold. But, all these examples...
  • Re: esoteric question about 1.9 distributor
    Historical mailing list - Dennis Haynes
    Sun, 19 Oct 2014 10:36:41 -0400
    Simply disconnecting the vacuum retard will leave the base setting more advanced. With the timing more advanced at idle you will reduce the air...
  • Electric VW Pick up truck
    Historical mailing list - Harvey Chao
    6 Nov 1995 16:09:39 -0800
    ...vacuum booster supplied via electric vacuum pump hooked to stock vacuum resivour. Electric motor bolts to stock transaxel. Charger mounted under the hood, socket...
  • Re: Vacuum line P/N's
    Historical mailing list - John Lauterbach
    Tue, 1 Feb 2000 21:09:21 -0500
    ...Vacuum line P/N's > The best way to deal with the vacuum line issue is to measure the inside > diameter of the hose...
  • Re: '88 Vanagon - failed cruise control - problem identified
    Historical mailing list - John Graham
    Sat, 9 Aug 2003 22:18:01 -0400
    ...I disconnected the vacuum hose at the juction near the vacuum pump and found that if I sucked on the tube, the servo moved...
  • Re: Bosch distributor #
    Historical mailing list
    Sun, 24 Mar 1996 22:06:14 -0500
    ...Can >someone give me the Bosch number of the vacuum advance type distributor. A >friend can order the part wholesale but doesn't know...
  • Re: variable brake pedal travel / Internal Leak
    Historical mailing list - George Goff
    Tue, 2 Nov 2004 08:55:09 EST
    ...A vacuum leak might cause the perception of the amount of movement to seem different, but that is all it will change. Whenever this...
  • RE:[2] Idle problems
    Historical mailing list - Jonathan Sykes
    Fri, 15 Sep 1995 10:41:00 BST
    ...I found a hole in the little one- >way valve in the vacuum line that runs fron the intake naifold, all >the way forward...
  • Re: I Love My New Cruise Control (Long)
    Historical mailing list - Mike Collum
    Mon, 29 May 2006 22:57:28 -0400
    ...It too is a vacuum type and I installed a vacuum reservoir at the beginning. It works perfectly and has for two years now...
  • cruise control troubleshooting
    Historical mailing list - Gregory Smith
    Wed, 6 Feb 2008 10:37:35 -0800
    ...It works at first and then it's ability falls off quickly, in less than a minute, as if it is losing vacuum. I...
  • Re: Looking for a 83-85 distributor
    Historical mailing list - Neil N
    Wed, 1 Oct 2014 12:25:56 -0700
    Just a thought; are there vacuum advance units from other VW's that would fit and work correctly? Neil. On 10/1/14, Blake...
  • '87 Syncro Rear diff lock vacuum source?
    Historical mailing list - CARY CHIANG
    Wed, 3 Nov 1999 02:48:09 MST
    ...I am trying to connect my rear diff switch vacuum hoses that were disconnected by the PO. Referring to Bentley, I got the dash...
  • Re: Vacuum from Brake Booster?
    Historical mailing list - TJ Hannink
    Mon, 13 Jun 2005 21:00:20 -0700
    ...I installed an equus cruise control system on my '85 1.9 (vacuum type) and installed a vacuum reservoir at the same time. The...
  • Re: Help...Brake Question
    Historical mailing list - DaveC
    Sat, 13 Apr 2002 09:48:13 -0700
    ...On cars with diesel engines, vacuum booster problems may be caused by a faulty vacuum pump. If brake fluid id leaking into the booster...
  • Re: Manifold measuring - is this right?
    Historical mailing list - Mike \"Rocket J Squirrel\" Elliott
    Wed, 24 Oct 2007 17:28:25 -0700
    ...The vacuum gauge shows around 18psi -- depending on >> engine rpms. I can open the throttle and the vacuum might drop to 10psi, >> then climb...
  • Re: vacuum servo question
    Historical mailing list - Dennis Haynes
    Wed, 4 Jun 2003 00:12:41 -0400
    There should not be any oil in the vacuum servo. You have a leaking master cylinder. Dennis -----Original Message----- From: Vanagon Mailing List [mailto...
  • digijet timing vacuum w/digifant throttle body?
    Historical mailing list - Damon Campbell
    Wed, 6 Aug 2003 22:19:06 -0700
    ...By virtue of keeping the digijet FI, we've kept the older dristributor with the vacuum advance/retard. However, since we are upping the...
  • Probable Area for vacuum leak
    Historical mailing list - Jason M. Yasment
    Thu, 19 Aug 1999 18:17:05 -0400
    In the case of a loopy idle on a '84 what are some likely area to have a vacuum leak? It almost sounds like...
  • Re: 85 gl still running rich at vw shop.
    Historical mailing list - George Goff
    Sun, 16 Mar 2003 22:25:38 EST
    In a message dated 3/16/03 1:11:22 PM, drillock@EARTHLINK.NET writes: << Unplug that vacuum line from the pressure regulator and...
  • Re: [2] Idle problems
    Historical mailing list
    Fri, 15 Sep 1995 08:23:06 -0400
    ...I found a hole in the little one- >>way valve in the vacuum line that runs fron the intake naifold, all >>the way forward...
  • induction noise or vacuum leak?
    Historical mailing list - Scott Terry
    Sat, 10 Mar 2001 12:52:21 -0800
    ...Through examination, I have ruled out vacuum leaks in all the vacuum hoses, the air cleaner/AFM, and the rubber elbow between the AFM...
  • Re: 82 westy brake troubles
    Historical mailing list - Stan Wilder
    Sat, 7 Dec 2002 22:45:32 -0600
    ...Your vacuum booster line has a check valve in it (the 1/2" line just to the left of your Double Relay). To test...
  • Re: Vacuum hose slipping off fitting
    Historical mailing list - Jim Felder
    Mon, 6 Oct 2014 11:08:58 -0500
    ...No vacuum, no > advance. Put it back on, and magically all is fixed. > > Rich > San Diego > > > > ________________________________ > From: Ryan Perry <rjdperry@GMAIL.COM> > To: vanagon...
  • Re: Vacuum gauge readings
    Historical mailing list - Max Wellhouse
    Mon, 27 Oct 2014 05:09:06 -0500
    ...Since the induction system is so short, I'm curious where would be a better place to tap for vacuum? > Mike M > > Sent from...
  • Re: I Love My New Cruise Control (Long)
    Historical mailing list - Jason Simpson
    Mon, 29 May 2006 18:44:12 -0700
    ...At first, we suspected low vacuum, and tried just about every connection the vacuum line would fit. Then, from some gerry list archive searches...
  • Re: vacuum bleeding?
    Historical mailing list - George Goff
    Tue, 2 Mar 2004 12:18:23 EST
    ...to bleed the cooling system on a Vanagon by using a vacuum pump? >> Sure, and then they dismissed it because it won't work...
  • Re: Manifold measuring - is this right?
    Historical mailing list - Jake de Villiers
    Thu, 25 Oct 2007 00:24:37 -0700
    ...Vac from the vacuum unit hose labeled "2" on the left hand photo on > page 24.25 in Bentleys* (hose disconnected from vacuum unit...
  • Re: Cruise Control Sensors
    Historical mailing list - Ari Ollikainen
    Mon, 19 Oct 1998 17:30:30 -0700
    ...It would help if I knew >what signals the CC uses and from where they originate. > The system uses vacuum from a vacuum pump...
  • Re: esoteric question about 1.9 distributor
    Historical mailing list - Dennis Haynes
    Sat, 18 Oct 2014 16:35:52 -0400
    Why would vacuum control of ignition timing be a nightmare? This part rarely fails and is easily tested and adjusted. Except for folks using...
  • Brake Pedal "Thud": Video (youtube)
    Historical mailing list - neil n
    Thu, 25 Mar 2010 09:31:21 -0800
    ...Engine cold, "thud" heard (booster has vacuum) Vacuum dissapates, hard pedal. Engine started, pedal drops (normal). Last portion, thudding easier to hear. Video not...
  • Re: What is it?
    Historical mailing list - SDF ( aka ;jim lahey' - Scott )
    Sat, 1 Aug 2015 20:02:28 -1000
    Starting back when cars started having pretty complex emissions systems ...and often Lots of vacuum hoses and devices ( you should see a pre-fuel...
  • Re: Vacuum leak
    Historical mailing list - Ralph Meyermann
    Tue, 16 Feb 2016 18:21:56 -0600
    ...Vacuum leak > > Yes follow the vacuum line from the intake through the firewall. Sounds > like it is leaking where you can't see on...
  • Re: Distributor Vacuum Advance Checking
    Historical mailing list - phil cain
    Thu, 26 Jun 2003 17:25:02 -0700
    Blake, Just replace the vacuum unit,(it has a number on the arm) you could clean and lube the point's plate this would...
  • Re: brake system vacuum leak
    Historical mailing list - sstones
    Sun, 26 Feb 1995 10:49:50 -0500 (EST)
    Harry, there's only so much vacuum volume in your reservoir. You should only get one or two soft brake applications with the engine...
  • Vacuum leaks? '85 camper
    Historical mailing list - Bill Kenneke
    Sun, 20 Apr 1997 11:41:33 -400
    ...The Hall unit checks out okay, fuel pressure and flow volumeseems good, but I think that the vacuum unit is not doing its job...
  • Tappet adjustment, was Brake booster woes.
    Historical mailing list - Mark Ingalls
    Wed, 1 Aug 2001 22:21:32 -0500
    Joe wrote: >Using the recommendations of Bob Donalds, I reset the valves and picked up about 4" of manifold vacuum. On power off coast...
  • Re: Location of EGR vacuum hose
    Historical mailing list - jesse lee reynolds
    Tue, 17 May 1994 21:32:19 -0500 (EST)
    I wrote: > > > I accidently dissconnected the vacuum hose from my EGR valve on my 76 van. > > I looked, but I couldn't find where...
  • Re: Manifold measuring - is this right?
    Historical mailing list - Michael Elliott
    Wed, 24 Oct 2007 21:29:30 -0700
    ...Vac from the vacuum unit hose labeled "2" on the left hand photo on page 24.25 in Bentleys* (hose disconnected from vacuum unit...
  • Re: crappy vacuum at idle 2liter afc
    Historical mailing list - Vanagon man
    Fri, 19 Jul 2002 04:09:13 -0400
    ...Dead on. > > > > Checked for vacuum leaks with Brakleen. None. > > > > Replaced all small vacuum lines. Done. > > > > swapped throttle body with another. Same result. > > > > CO is...
  • Diff lock in a 2wd
    Historical mailing list - Jeff K
    Wed, 5 Mar 2003 13:00:19 -0700
    ...VW taps into the brake booster line in the engine compartment, runs the vacuum up to the dash, and then runs two vacuum lines...
  • Re: 71 Bus Brake Booster
    Historical mailing list - Chris Chubb
    Wed, 19 Jul 1995 08:43:43 -0400
    ...The original large vacuum hoses are cracked and falling apart. Is /it possible to replace these with heater/coolant hose or is there a...
  • Re: Vacuum gauge readings
    Historical mailing list - Michael Magnani
    Tue, 28 Oct 2014 00:40:01 -0700
    ...I'll go back and really look hard for vacuum leaks. Thanks for the advice. Mike M Sent from my iPad > On Oct 27...
  • Re: Miscellaneous Bus Questions
    Historical mailing list
    Tue, 25 Jul 1995 11:28:27 -0400
    ...It sounds like either the vacuum diaphragm in the servo has got decent sized hole in it, causing a massive vacuum leak or the...
  • a.c. removal, or, where does this vacuum line go?
    Historical mailing list - Seth Bruggeman
    Tue, 13 Jun 2000 06:54:55 -0700
    ...system), noticed that the vacuum line on the front of the fuel pressure regulater was disconnected at the other end; I assume this may...
  • Finding vacuum leaks
    Historical mailing list - David Beierl
    Fri, 18 Mar 2011 12:05:27 -0400
    ...Couple the vacuum to the airbox inlet and start poking the smoke into corners... Yrs, David