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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 8+: 60 results shown for Vacuum switch.

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

• Re: Arduino and Vanagons: connectors?
  Historical mailing list - Scott Daniel
  Thu, 14 Nov 2013 15:35:01 -0800
  ...You may notice some vacuum switching valves near your air filter box ...on the firewall there. Either one, or two. those are assoicated with...
• Re: Help-crazy bouncing idle
  Historical mailing list - Tyler Hardison
  Sun, 30 Aug 2015 09:49:59 -0700
  ...Worn throttle body? Vacuum hoses? On Saturday, August 29, 2015, Larry Alofs <lalofs@gmail.com> wrote: > I assume by MAF you mean the AFM...
• Re: Compression braking & Power Loss
  Historical mailing list - mark drillock
  Tue, 21 Feb 2006 15:19:09 -0800
  ...It only knows that your foot is off the gas from reading the idle switch on the throttle body. When you push your foot...
• Re: Moral qestion--Case in point
  Historical mailing list - Dennis Haynes
  Thu, 18 Jan 2007 19:50:33 +0000
  ...idle switch tested good, rebuilt > AFM, AAR > removed/cleaned/tested good in freezer and warm stove (car > starts fine.) No > vacuum leaks--vacuum tests...
• Re: Throttle body question
  Historical mailing list - Stuart MacMillan
  Wed, 11 Jun 2014 10:25:51 -0700
  ...Throttle body question The little vacuum port on the throttle body - I believe the orifice is covered by the throttle plate when throttle closed...
• Re: brake booster hiss
  Historical mailing list - Peter Cassidy
  Thu, 16 Nov 2000 16:38:07 +0000
  >> Nope! Any hiss from the vacuum server when the brake pedal is not being >> depressed probably means a leaky servo diaphragm. Unfortunately, these >> cannot...
• Re: Running rich.....me too
  Historical mailing list - TC
  Thu, 18 Oct 2007 09:47:05 -0700
  ...from there, > including your idle switch. > > If the pin test shows everything is ok, move on to vacuum leaks. Fill the > engine with air...
• Re: New engine question revisited
  Historical mailing list - Tim Demarest
  Mon, 5 Jan 2004 11:37:59 -0500
  ...There is an 'idle switch' located under the throttle body, which (when adjusted properly) changes state at the *slightest* throttle pressure. This takes the...
• Throttle body/idle stabilizer woes...
  Historical mailing list - Jesse and Monica Johnson
  Sun, 14 Sep 2003 18:05:08 -0400
  ...Took apart the throttle body and cleaned and lubricated everything....set the switch up...but i am having a vacuum leak now...it seems...
• Re: Quick throttle body re-bush
  Historical mailing list - Jon VonOhlsen
  Sat, 13 Sep 2014 14:31:13 -0600
  ...Jon On 9/13/2014 1:54 PM, Neil N wrote: > very helpful Alistair. > > I still may buy the gowesty vacuum operated TB switch...
• Re: Throttle body question
  Historical mailing list - Angus Gordon
  Wed, 11 Jun 2014 11:49:30 -0700
  ...Angus On Wed, Jun 11, 2014 at 9:04 AM, Alistair Bell <albell@shaw.ca> wrote: > The little vacuum port on the throttle body...
• Re: Hesitation off idle, throttle body issues?
  Historical mailing list - Darrell Boehler
  Mon, 12 Jan 2015 12:41:28 -0600
  ...throttle body preventing accurate > adjustment of the switch. Also, the braided hose that the purple vacuum > tube slips into seems a little damaged, may...
• High Idle, Fuel Pressure Test Results and Advice Needed
  Historical mailing list - Ronald D Maxseiner
  Sun, 8 Dec 2002 23:31:49 -0500
  ...So far I have replaced/tested the following over the past few months. - plugs, wires, distributor cap and rotor - replaced small vacuum hoses to...
• Idle Gremlins - Success / Wasserboxer Infatuation
  Historical mailing list - Dustin Fitch
  Thu, 27 Mar 2003 19:19:55 EST
  ...Fixing the two vacuum lines under the AFM did a world of good. Turns out though, my throttle switch was not working properly. HA...
• Vacuum leaks and timing
  Historical mailing list - Blake Thornton
  Tue, 3 Apr 2001 19:19:52 -0600
  My van is still idling rough after playing around looking for vacuum leaks. I doesn't run rough, it only runs poorly at idle...
• Re: HELP!!!!! stuck idle!
  Historical mailing list - Howard Fleming
  Sun, 7 May 2000 06:36:40 -0500
  Just a guess, but I would check for a vacuum leak on the engine. Howard hfleming@moosebird.com On 6 May 2000, at 21...
• "Recorder with warning switch" - what is this?
  Historical mailing list - Fitz-Randolph, Douglas
  Mon, 14 Oct 2002 10:47:28 -0400
  ...in the same bundle with the wires for the cruise control vacuum pump... but this "recorder" doesn't have anything to do with the...
• Re: Engine Cutout
  Historical mailing list - Laurence Smith
  Thu, 3 Jan 2002 16:54:33 -0500
  John, How about the ignition switch? The electrical portion underneath the mechanical lock portion. Only costs about $20 and is an easy change. When...
• Re: Vacuum Pump A/c Manifold Recommendations?
  Historical mailing list - Kim Brennan
  Thu, 19 Jul 2007 23:24:17 -0400
  ...So I'm > thinking its time to replace it and at the same time > do the R-134A switch. > > My off topic Mini Cooper...
• Questions
  Historical mailing list - VW Addict aka The Bus Nut
  Sun, 11 Mar 2001 02:44:06 -0800
  ...Is it a switch like th old Bus, or it it vacuum or throttle operated? What tells the trans to down shift. Right now...
• Re: [Having difficulty with the archives...but..my westy won't start...]
  Historical mailing list - d t
  Fri, 15 Sep 2000 14:36:22 MDT
  ...I hear the "vacuum" open in the engine compartment, but she doesn't start... > 1. Sounds like an ignition switch problem. There are several...
• MPG Question
  Historical mailing list - Geza Polony
  Thu, 30 Mar 2006 13:09:43 -0500
  ...timing, set CO mixture, set idle position and throttle switches, checked and repaired all vacuum lines (distributor advance works fine), checked and cleaned charcoal...
• Vanagon A/C Fun
  Historical mailing list
  Mon, 15 May 2000 18:13:29 EDT
  ...Then I teed into the vacuum hoses per Bentley and it works like a dream. I got 38 degrees out of the register above...
• Re: I'm Lazy. (Fast idle when cold, sometimes)
  Historical mailing list - tabe johnson
  Fri, 30 Sep 2005 17:31:02 -0400
  ...and I do mean a guess), in no order: -vacuum leak -flakey idle switch -flakey idle computer I get high idle (1800 rpm) on...
• Re: cruise control mystery
  Historical mailing list - Todd Last
  Mon, 7 May 2001 22:07:07 -0700
  ...The steering column stalk (shared with the turn signal) A switch on the brake and clutch pedal A Vacuum motor in the engine compartment...
• Re: Hesitation off idle, throttle body issues?
  Historical mailing list - Stuart MacMillan
  Mon, 12 Jan 2015 10:29:51 -0800
  ...throttle body preventing accurate adjustment of the switch. Also, the braided hose that the purple vacuum tube slips into seems a little damaged, may...
• Re: Hesitation off idle, throttle body issues?
  Historical mailing list - Mark McCulley
  Mon, 12 Jan 2015 13:21:27 -0800
  ...throttle body preventing accurate > adjustment of the switch. Also, the braided hose that the purple vacuum > tube slips into seems a little damaged, may...
• Re: CO Adjusting Screw, Throttle Valve Switch Test Light Video etc.
  Historical mailing list - Scott Daniel - Turbovans
  Tue, 26 Jun 2012 21:26:55 -0700
  ...On 6/26/2012 8:38 PM, Dennis Haynes wrote: > Smoke testers are real nice for finding vacuum and vapor line leaks. > > Dennis > > -----Original...
• Continuing saga of symptoms imitating vanagon syndrome--85 westy
  Historical mailing list - roger sisler
  Sat, 18 Jun 2005 10:04:18 -0700
  ...swapped hall control,wiggeled wires,wiggeled ignition switch,checked all over for vacuumn leaks, gapped throttel switch,put a new return spring on the...
• Re: Differential lock for 2wd vans?
  Historical mailing list - Daryl Christensen
  Tue, 28 Nov 2000 23:07:41 -0800
  ...I was told that you can install your > 2-wheel > drive transmission in there, then add a few vacuum lines and a > switch. The...
• Re: Throttle Valve Switch
  Historical mailing list - John Lauterbach
  Wed, 14 Sep 2005 19:59:44 -0400
  ...two throttle switches. If you are going to keep the van, plan on replacing everything that is involved with fuel, air, vacuum, coolant and...
• Re: AFM issues
  Historical mailing list - Paul Wyand
  Mon, 3 Oct 2005 15:43:29 -0400
  ...Actually I am suspecting that the throttle closed switch was adjusted with the crud in there as a shim because it is now occasionally...
• 83 Westy update
  Historical mailing list - Bill Thomas
  Mon, 30 Jun 1997 00:18:53 -0400
  ...Replaced all vacuum hose, checked distributor advance/retard diaphrams with a vacuum pump and cleaned plug wire ends, adjusted clips for a tight fit...
• Re: Remote Starter Switch Wire-up for '88GL
  Historical mailing list - David Beierl
  Wed, 22 Jun 2011 12:45:30 -0400
  ...the starter connector as above and the other dangling from a vacuum hose near the alternator. The boot covers the exposed end of the...
• Stalling 1.9l Digijet
  Historical mailing list - Jay L Snyder
  Fri, 25 Feb 2000 14:29:13 -0500
  ...The throttle switch is correct. The temp. sensor was replaced. The AFC was replaced along with all vacuum lines. The aux. air switch is...
• Re: CO Adjusting Screw, Throttle Valve Switch Test Light Video etc.
  Historical mailing list - Jeff Schwaia
  Wed, 27 Jun 2012 18:48:42 -0700
  ...CO Adjusting Screw, Throttle Valve Switch Test Light Video etc. "I was a lowly mechanic at a VW shop in Leucadia, CA." There was...
• Re: Rough running till warmed up
  Historical mailing list - Evan Mac Donald
  Tue, 21 Aug 2007 19:18:14 -0700
  ...That is what the idle compensator computer and cut-off switch are for. So, it does count as a leak. It is not venting...
• Re: Last question of the night
  Historical mailing list - Jay L Snyder
  Mon, 18 Feb 2002 10:29:21 -0500
  ...As the Vanagon regulator has a vacuum fitting, I would hazard a guess that like the Isuzu, it utilized vacuum to regulate or in...
• Re: Diff locks on 2WD Vanagons
  Historical mailing list - Dr. Rainer Woitok
  Tue, 20 Jul 1999 09:57:42 +0200
  ...Next, you'd need a lot of vacuum lines, a vacuum tank, a dashboard switch and various other parts, in a word, you'd...
• Cruise control
  Historical mailing list - Robert Clemmer
  Mon, 6 Apr 2020 12:19:26 -0400
  ...Nothing, except somewhere I was losing 2-3 volts at the vacuum brake switch. This just isn't making sense. Then I asked my...
• Re: lighting questions
  Historical mailing list - Austin
  Wed, 18 Dec 1996 23:03:56 -0800
  ...I also installed an adjustable vacuum switch that triggers the brake lights on deceleration, but not at idle. Kind of trickey to adjust-sometimes...
• Re: Replacing pressure A/C Pressure switch w/o losing Freon
  Historical mailing list - Michael Sullivan
  Tue, 10 Aug 2010 09:29:22 -0500
  ...switch, new fan speed selection switch, receiver/dryer. > All in all, I think I spent ~$350 in parts plus another $150 in vacuum pump...
• O2 Sensor problem
  Historical mailing list - mccullough bob
  Sun, 22 Mar 2020 11:24:54 -0500
  ...to hall, TB switch, Temp sensor, AFM, good pin 2 to O2 sensor good pin 19 to ground good 8 Vacuum 15 “ at idle...
• Re: cruise control problems
  Historical mailing list - Frank Condelli
  Tue, 6 Feb 2007 07:35:18 EST
  ...I will of course check the diaphragm and vacuum lines for leaks and also the vacuum pump for grounding issues and proper operation. Maybe...
• Re: Volksiebus - 88 Transporter - Rough Running Engine
  Historical mailing list - Karl Wolz
  Fri, 17 Jan 2014 09:32:17 -0700
  Disconnected or collapsed vacuum hose? Disconnected AFM wire? Karl Wolz Sent from my electronic umbilicus > On Jan 16, 2014, at 8:22 PM, JRodgers...
• Re: Custom VDO/Sunpro or other brand Guages for Oil Temp, Water Temp, Volt Meter
  Historical mailing list - Max Wellhouse
  Thu, 21 May 2009 05:03:10 -0500
  ...I'd be having an oil pressure gauge in there as well and a vacuum gauge too. Use two of the 2-gauge cockpit...
• Re: Failure to return to idle
  Historical mailing list - Tim Demarest
  Mon, 1 Jan 2007 19:26:59 -0500
  ...engage the idle switch. It's fairly easy to pull the throttle body, and carb cleaner solved the problem. Vacuum leaks and bad grounds...
• Re: mystery parts again
  Historical mailing list - Craig Oda - Personal email
  Tue, 16 Apr 2002 09:07:14 -0700
  ...I operate the fan manually through a switch that I installed on my dash. The temperature switch on the radiator doesn't affect cold...
• Re: digijet FI adjustments
  Historical mailing list - Dennis Haynes
  Mon, 11 Oct 2004 08:32:19 -0400
  ...Check operation of throttle switch or switches. Adjust as needed. Start engine, adjust timing to proper mark at idle speed. Check vacuum advance operation...
• Re: Was my Vanagon Trying To Tell Me Something?
  Historical mailing list - Doktor Tim
  Tue, 29 Jul 2003 08:50:39 -0700
  ...Note those vapor tubes run to a vacuum switch just in front of the engine on the right side. A few more hose connectors...
• Re: Aftermarket Cruise questions . . .
  Historical mailing list
  Thu, 19 Jun 1997 09:24:00 -0400
  ...Since the switch on the brake pedal uses a vacuum dump and an electrical ground break to disengaged the system, your problem maybe one...
• Loping Idle problem solved
  Historical mailing list - George Averill
  Mon, 16 Feb 2009 21:11:23 -0500
  ...The vacuum line was off of the AC solenoid, and the large hose from the auxiliary air regulator was out of the rubber housing...
• Re: 84 vs 85 Digijet
  Historical mailing list - Scott Daniel - Turbovans
  Mon, 6 Apr 2009 19:02:18 -0700
  ...vacuum switching valve or valves in the right front corner of the engine compartment, whether you have those or not, won't make any...
• Re: Did a silly thing, white elephant acquired
  Historical mailing list - Alistair Bell
  Thu, 8 Sep 2022 07:28:19 -0700
  ...things like vacuum/pressure, volts, ohms , dwell, timing etc. plus a screen that is more or less an oscilloscope. Plus button switches and wood...
• AC & Idle Stabilizer
  Historical mailing list - Budd Premack
  Wed, 9 Sep 1998 14:11:23 -0500
  I have the same 2000 rpm idle that Mark Schrope had (List posting 7-23-98) when I switch on my a/c. Has...
• Re: I need help, please
  Historical mailing list - Jim Felder
  Fri, 2 Dec 2022 14:18:27 -0600
  ...cap and rotor > - NGK BP6ET are recent. > - Throttle body switch checked fine > - Idle screw on throttle body cleaned > - A good fuel pressure regulator was...
• Re: CO Adjusting Screw, Throttle Valve Switch Test Light Video etc.
  Historical mailing list - Rocket J Squirrel
  Wed, 27 Jun 2012 17:32:00 -0700
  ...On 06/27/2012 03:13 PM, Jeff Schwaia wrote: > Nothing dumb, other than using a highly flammable liquid/vapor to > check for vacuum...
• Re: CO Adjusting Screw, Throttle Valve Switch Test Light Video etc.
  Historical mailing list - Jeff
  Tue, 26 Jun 2012 21:47:25 -0700
  ...CO Adjusting Screw, Throttle Valve Switch Test Light Video etc. I'm so glad you mentioned that for people. Most people working on their...
• It continues - Engine RPM Hunting 200-500 rpm
  Historical mailing list - John Rodgers
  Sat, 9 Oct 2010 17:56:12 -0500
  ...All the hoses are good, and I carefully inspected the vacuum lines just to be sure. The crankcase vent host is new. I disconnected...
• Re: Diff lock in a 2wd
  Historical mailing list - EMZ
  Fri, 7 Mar 2003 23:09:57 -0500
  ...have ordered a limited slip axle, when I was buying the vacuum switch for the lock setup. He was shot and died shorting after...