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Page 6+: 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: Can Anyone Identify This "Thing"?
  Historical mailing list - Paul Connelly
  Wed, 16 Jul 2008 10:57:07 -0600
  ...hotmail.com> >>> wrote: >>> >>> >>>> The vacuum hose would probably go up in to the cab and connect with a >>>> vacuum switch on the brake and...
• Re: High idle again
  Historical mailing list - Craig Oda
  Tue, 1 Feb 2005 17:56:17 -0800
  I don't know on the 87, but on the 83 there is a throttle position switch on the throttle body that tells the...
• Re: Help! Hesitation on the road!
  Historical mailing list - Steven Johnson
  Tue, 9 Aug 2011 08:06:32 -0700
  I would add to this vacuum leaks which equate to potential overheating and incorrect air/fuel mixture. The computer can typically compensate for this...
• Re: Quick throttle body re-bush
  Historical mailing list - Neil N
  Sat, 13 Sep 2014 12:54:16 -0700
  ...I still may buy the gowesty vacuum operated TB switch for my '88 but knowing that HDPE likely works (untested?) is really helpful. Do...
• Re: Hesitation off idle, throttle body issues?
  Historical mailing list - Kevin Duvernay
  Mon, 12 Jan 2015 13:07:19 -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...
• Re: Can Anyone Identify This "Thing"?
  Historical mailing list - Paul Connelly
  Tue, 15 Jul 2008 19:56:46 -0600
  ...hotmail.com> wrote: > > The vacuum hose would probably go up in to the cab and connect with a > vacuum switch on the brake and...
• Re: CO Adjusting Screw, Throttle Valve Switch Test Light Video etc.
  Historical mailing list - Dennis Haynes
  Tue, 26 Jun 2012 23:38:47 -0400
  Smoke testers are real nice for finding vacuum and vapor line leaks. Dennis -----Original Message----- From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com...
• Re: Throttle Valve Switch
  Historical mailing list - Jay L Snyder
  Wed, 28 Aug 2002 21:30:58 -0400
  ...Throttle Valve Switch > IIRC, the switch situation is as follows: > > '83.5 - two switches. One at idle position, one for full throttle > enrichment > > '84...
• Re: black smoke + more
  Historical mailing list - Blake Thornton
  Sun, 2 Sep 2001 14:36:33 -0600
  ...are vacuum leak (but I've looked for > one and haven't been able to find one) and idle switch (the little switch > on...
• scary cruise control
  Historical mailing list - Jay Fitzgerald
  Sun, 11 May 1997 15:12:46 -0600
  ...In reality, it works for about 2 seconds (releases) then revs about 2000 rpm, until I tap the brake or switch the demon off...
• Re: YEEEEEEEEEEEEEEEHAAAAAAAAAAAAAWWWWWW - and a theory..... :)
  Historical mailing list - Sean B.
  Fri, 28 Dec 2001 13:11:36 -0800
  ...the WBX is 29psi w/vacuum and 34psi or so w/o vacuum. The problem is that the 2 manuals (WBX Bently vs. RSA...
• Re: Surging idle on '87 2.1
  Historical mailing list - Chris S.
  Thu, 9 Oct 2014 08:02:31 -0400
  ...He may have messed up the throttle body > switch. Any thoughts on what to check? I will hook up a vacuum guage and > look...
• Re: Cruise control advice
  Historical mailing list - Steve Cotsford
  Thu, 18 Apr 2002 20:29:29 EDT
  ...It doesnt seem to like holding much above 4000 rpm but this may be the flip switch set-up I have. It cannot go...
• COLD START WOES (long)
  Historical mailing list - Rob Lebo
  Wed, 18 Aug 1999 12:59:44 +0000
  ...I also checked the engine vacuum with the gage hooked up to the fuel vacuum distribution thing on top of the engine and have...
• Syncro Tranny Status/Diff Lock Controls
  Historical mailing list
  Tue, 6 Feb 96 21:58:10 EST
  ...lock?? From Bentley it looks like I need vacuum tubing, a vacuum cannister, dash switch and indicator lights. I supposed I could fabricate from...
• 2.0 litre vacuum conections
  Historical mailing list - mty016
  Fri, 14 Oct 1994 13:33:06 +0100 (MET DST)
  ...Firstly, what is the correct way to connect all the vacuum points on the engine. I've got the vaccumm from the left hand...
• My 85 is running rough again!
  Historical mailing list
  Tue, 18 Jun 96 20:50 AST
  ...This time changed all the vacuum hoses, put another flow- meter, main control unit, trottle switch, checked the injector's pattern, clean the plugs...
• Re: Idle Issues with my 2.1 engine - update
  Historical mailing list - Jack R
  Fri, 3 Apr 2020 20:46:31 -0400
  ...Idle Issues with my 2.1 engine The Stumble It did When You Gave It Throttle made Me think > Idle Switch (Probably should call...
• Re: Troubleshooting cruise control
  Historical mailing list - boroko
  Sun, 8 Jun 2003 16:36:12 -0500
  Hi Z, The most common trouble that I have had with the cruise is the vacuum switches that contact the pedals not being held...
• VDO Vacuum Guage Installation 91 Carat
  Historical mailing list - mark keller
  Sat, 6 Dec 1997 12:43:28 -0400
  ...VACUUM HOOKUP- Finding a Vacuum source. I decided on using a "tee" in the vacuum line that supplies the fuel pressure regulator. This gizmo...
• Re: Throttle body question
  Historical mailing list - Stuart MacMillan
  Wed, 11 Jun 2014 12:20:03 -0700
  ...Being uncovered on the AFM side would mean very little vacuum at idle either way. I doubt you'll have any problems. Stuart -----Original...
• Re: Is this an Idle Stabilizer problem?
  Historical mailing list - Doktor Tim
  Mon, 30 Jun 2003 08:08:21 -0700
  Rule out any vacuum leaks before going further. Then verify fuel pressure and rate of delivery. Verify timing and mixture is spec. Then follow...
• Re: Super fast idle
  Historical mailing list - Dustin Fitch
  Wed, 26 Mar 2003 23:00:40 EST
  ...Turns out I had two cracked vacuum hoses under the air filter housing. Boy what a difference. As I went around and checked every...
• Re: Stupid Question...... Gasket between AFM and airbox. 1.9 wbx
  Historical mailing list - David Beierl
  Tue, 6 Oct 2009 14:38:15 -0400
  ...TPS is easy to check; measure voltage across the switch (either one if you have the two-switch deal). If the switch is properly...
• 87' wolfie surging problem
  Historical mailing list - Yann Buchanan
  Tue, 23 Nov 1999 20:39:19 -0800
  ...The throttle switch has been adjusted to spec. The coolant sensor meets spec. (tested when cold -- coolant at 50 farenheit). What's left? Vacuum...
• Re: Digifant performance stuff.
  Historical mailing list - Gary Stearns
  Tue, 14 Nov 2000 08:08:10 -0500
  ...the stock fuel pressure regulator is vacuum controlled. Should work with stock vacuum levels. Our WBX has a K&N air filter, S&S...
• the price of cool
  Historical mailing list - Philip R. Hanlon
  Wed, 25 Jun 1997 12:32:41 -0500
  ...A pressure switch failed and all the coolant leaked out. It's a pressure switch that lives behind the left rear panel. It's...
• Re: Can Anyone Identify This "Thing"?
  Historical mailing list - Richard Golen
  Wed, 16 Jul 2008 01:50:07 +0000
  The vacuum hose would probably go up in to the cab and connect with a vacuum switch on the brake and clutch pedals. Assuming...
• Re: more idle issues revisited
  Historical mailing list - John Bange
  Mon, 22 May 2006 09:20:05 -0700
  > What happens to the idle when you unplug the connector from > >the idle control valve? > > nothing happens, but if i disconnect the tempII switch...
• Re: Engine Dies/Vacuum test
  Historical mailing list - David Beierl
  Wed, 3 May 2000 22:14:41 -0400
  ...switch; AFM, O2, T-II, T-I sensor outputs. >I also took a look at the engine and found that the air/vacuum hoses...
• Re: AFM cap fix, maybe fixed my very intermittent problem
  Historical mailing list - Neil N
  Sat, 23 Sep 2017 19:01:06 -0700
  > But the throttle switch. What a little bastard that is. I agree. And worse yet, (possibly) is the old Gowesty vacuum actuated switch. I...
• Re: CO Adjusting Screw. PO Set it All The Way In? Base Setting?
  Historical mailing list - Scott Daniel - Turbovans
  Thu, 21 Jun 2012 20:17:39 -0700
  ...Instead of a mechanical switch reading throttle plate idle position .. this electro-pheumatic device reads when there is closed throttle, in terms of vacuum...
• Re: Throttle body question-Throttle switch!
  Historical mailing list - Alistair Bell
  Fri, 13 Jun 2014 20:20:05 -0700
  ...Throttle body question-Throttle switch! > > Dennis, > > What does the redesign look like? Is it a different cam profile? > > Alistair > > > >>> On Jun 13, 2014, at...
• I need help, please
  Historical mailing list - Dan N
  Fri, 2 Dec 2022 11:34:39 -0800
  ...cap and rotor - NGK BP6ET are recent. - Throttle body switch checked fine - Idle screw on throttle body cleaned - A good fuel pressure regulator was...
• master brake light misbehaving - fixed
  Historical mailing list - brett rueff
  Mon, 2 Aug 2010 04:13:08 +0000
  ...cruise control ?cruise control is involved with brake and clutch switches or vacuum valves..if there is cruise control I'd explore that avenue...
• Re: Brake light sensor switch adj.
  Historical mailing list - Todd Last
  Tue, 10 Apr 2007 17:49:45 +0000
  On my Vanagon (88) there are switched on both the brake and clutch pedals for the cruise control. I know this because they are...
• Re: 91 Carat Cold Stall
  Historical mailing list - Doktor Tim
  Mon, 14 Oct 2002 13:02:24 -0700
  ...Check the throttle switch adjustment per Bentley. >This problem got worse after a tune up. >It used to cold idle without any help at...
• Re: Isolating an idle problem?
  Historical mailing list - Jim Felder
  Sun, 21 Dec 2014 13:35:55 -0600
  ...My idle control > thingy hums as normal and I have no obvious new vacuum leaks. Multiple > different fuel sources. Throttle switch seems to conform...
• Hesitation off idle, throttle body issues?
  Historical mailing list - Kevin Duvernay
  Mon, 12 Jan 2015 11:58:41 -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...
• Re: No idle when engine cold
  Historical mailing list - Jack R
  Fri, 24 Apr 2020 08:02:19 -0400
  "No vacuum leaks that I can see" The first thing I check on an older VW motor are the vacuum lines, at the connection...
• cruse control
  Historical mailing list - joshingme
  Mon, 25 Sep 2000 08:54:12 -0700
  ...I was told it is not the switch . perhaps the vacuum. Is it hard or complex? I am interested in any experiences? >>>>>>thanks >>>>>>>~~>monty...
• Re: Surging at Idle (2.1 Digifant)
  Historical mailing list - Justin B. Jensen
  Tue, 16 Sep 1997 16:58:20 -0700
  ...Check the adjustment and operation of the throttle switches, namely the throttle-closed switch. While you are at the throttle body, check for excessive...
• Re: 1987 Vanagon Stalls
  Historical mailing list - Scott Daniel - Turbovans
  Sat, 4 Jun 2011 14:07:34 -0700
  check that the throttle switch is making contact at idle. Most vanagons I see have that function not working . I find the timing too...
• Re: flashing temp light
  Historical mailing list - jhlauterbach
  Tue, 5 Sep 2000 00:09:36 -0400
  ...If you get al the air pockets out of the cooling system, and your cooling system is really tight (remember a vacuum can form...
• Re: Throttle Valve Stop Screw Adjustment.
  Historical mailing list - neil n
  Thu, 5 Jul 2012 11:05:22 -0700
  Hey Scott. "VSM" is Chris Corkins "Vacuum Switching Module". The full name is in page 1 here: http://www.thesamba.com/vw/forum/viewtopic...
• Re: Hesitation off idle, throttle body issues?
  Historical mailing list - Kevin Duvernay
  Mon, 12 Jan 2015 13:17:52 -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...
• Vanagain Rant/New Intake Boot
  Historical mailing list - Chuck Mathis
  Sun, 8 Sep 2002 12:04:03 EDT
  ...Replaced all vacuum hoses, Replaced the intake runner boots, Replaced the throttle body seal, Replaced and adjusted the throttle position switch, and Replaced the...
• Re: 85 Digijet throttle switches -- information please
  Historical mailing list - Michael Diehr
  Tue, 29 Jun 2004 15:43:13 -0700
  ...switches didn't somehow get out of adjustment 2. bypass the DIS by plugging the two ends together 3. check every single vacuum hose...
• hard to start in the morning
  Historical mailing list - Dan N
  Sat, 5 Nov 2016 07:47:47 -0700
  ...from VC (rear reduction style) - all vacuum hoses - AFM has 20µF capacitor inside - one year old ignition switch it just happened recently and I...
• Re: Quick throttle body re-bush
  Historical mailing list - Neil N
  Sat, 13 Sep 2014 13:08:55 -0700
  ...On 9/13/14, Alistair Bell <albell@shaw.ca> wrote: > I'd look into tencentlife's vacuum switch as well as GW's. > > Wear...
• Passed Smog Test!
  Historical mailing list - Dave Kautz
  Mon, 5 Feb 96 12:03:01 PST
  ...Pump Air Pump Belt Air Injection Plumbing Air Diverter Valve Vacuum Line Connections to Sensors/Switches Oh, what a relief it is...... Dave Kautz
• Re: vanagon Digest - 21 Dec 2011 to 22 Dec 2011 - Special issue (#2011-976)
  Historical mailing list - Ken Weikel
  Thu, 22 Dec 2011 21:39:40 -0500
  ...I ended up replacing the AFM, finding a few vacuum leaks, and adjusting the throttle position switch with the help of my friendly neighborhood...
• Re: "Recorder with warning switch" - what is this?
  Historical mailing list - Dan Winget
  Mon, 14 Oct 2002 11:37:33 -0400
  THIS is the reset switch for the 02 sensor. their is a mechanicle swithc on a spring and it sets it off at a...
• Re: 1st Most important specialized waterleaker measurement device
  Historical mailing list - Frank Grunthaner
  Fri, 22 Oct 1999 02:03:19 EDT
  ...So far, I consistently see 1 to 2 inches of water (vacuum) in the morning, indicating the break pressure for the vacuum vent on...
• Correct timing for a '72 bus
  Historical mailing list - Dennis Gentry
  Fri, 15 Sep 1995 17:35:43 -0700
  ...My editions of Muir say just that the vacuum advance distributor is bogus (thus my switch to the 009), but don't give a...
• Re: digijet FI adjustments-Digifant
  Historical mailing list - Dennis Haynes
  Wed, 13 Oct 2004 19:56:17 -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: frequently dying
  Historical mailing list - Bulley
  Mon, 8 Nov 1999 07:44:44 -0500
  ...I My husband bypassed the ignition switch ( hot wired) and it still died after 5 seconds. Is there anything else we can check? It...
• 85 1.9L problem (was: HELP ME!!!)
  Historical mailing list - Dave C
  Fri, 25 Feb 2000 19:46:08 -0500
  ...Check or replace these items: -Check timing -Check throttle position sensor switch settings (will either be a tandem set above trottle body or a...
• Re: Super fast idle - Update
  Historical mailing list - Todd Last
  Wed, 26 Mar 2003 23:34:26 -0800
  ...I'll also be checking all the vacuum hoses. The mechanic did adjust the AFM mixture and throttle switch - and that alone made a...
• Re: does aux air reg affect idele after warm up 1.9
  Historical mailing list - Spencer Allen
  Tue, 10 May 2016 20:10:34 -0400
  ...I have the 1.9 with the two switches on >> throttle body and they both are set correctly. The vacuum advance >> works fine but...