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Page 12+: 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 you run without coolant...
  Historical mailing list - Jake de Villiers
  Wed, 15 Dec 2010 12:42:23 -0800
  ...have the fitting for the distributor vacuum retard. The earlier 1.9 also has two separate switches for closed and full throttle. Dennis" Jake...
• Re: Emmission Test failed.
  Historical mailing list - Chuck Mathis
  Fri, 22 Jun 2001 15:46:14 EDT
  ...check all the vacuum hoses and intake boot to make sure they aren't leaking and adjust the throttle position switch. Installing a new...
• Re: cruise control mystery
  Historical mailing list - Joel Cort
  Tue, 8 May 2001 11:54:20 -0700
  ...the turn signal) > A switch on the brake and clutch pedal > A Vacuum motor in the engine compartment > A Vacuum servo attached to the...
• Re: "84 westy stalling problem
  Historical mailing list - Jack R.
  Sun, 12 Oct 2008 21:18:41 -0400
  ...Otherwise it could be any kind of problem, from a bad head gasket to leaking vacuum lines, to clogged injectors. Jack R. 84 Westy...
• rad fan won't turn off troubleshooting story
  Historical mailing list - Alistair Bell
  Thu, 1 Apr 2010 23:17:47 -0700
  ...We then started to pull fuses to see why the fan would come on even with thermo switch pulled. Oh, I have to say...
• 2.1L Vanagon engine still possessed by demons
  Historical mailing list - Steve Gough
  Wed, 23 Apr 2003 20:27:50 -0400
  ...Throttle switch set correctly. Have checked for vacuum leaks with a microscope. There are none. Have tried adjusting AFM spring, doesn't seem to...
• Re: More info on tencentlife's motors....
  Historical mailing list - Mike Miller
  Tue, 22 Jul 2008 12:15:55 -0700
  ...am offering the exhaust systems, throttle bodies, oil cooler kits, > and vacuum switch kits as separate items. The throttle bodies I'm > investigating having...
• Re: hesitation
  Historical mailing list - Chuck Mathis
  Sat, 25 Aug 2001 13:43:23 EDT
  ...While you're poking around the engine make sure that the intake boot is tight on both ends and check the vacuum hoses, breather...
• Getting a handle on Idle problems...
  Historical mailing list - Robert Lilley
  Sun, 20 Apr 2003 23:11:02 EDT
  ...Digijet has two switches mounted on top Air flow meter: -The screw in the air flow meter allows for UN-METERED air to pass...
• Re: Air Conditioning help
  Historical mailing list - Dennis Haynes
  Tue, 21 Jan 2014 21:14:34 -0500
  ...The only real difficult fitting is the switch manifold on the high pressure hose to the expansion valve. A tee and a "trinary" switch...
• Re: Still running like crap, the saga continues
  Historical mailing list - jon
  Wed, 5 Mar 2008 13:52:56 -0800
  ...Also, make sure your throttle switch is set properly. And, have you done a compression test? If one or more cylinders is off from...
• Re: Surging 1.9 Vanagon
  Historical mailing list - John Lauterbach
  Tue, 3 Oct 2006 10:52:13 -0400
  ...until I did, I was as baffled as you are > by the pictures showing obvious, visible switches. Only adjust the switch > if it fails...
• Re: Remote Starter Switch Wire-up for '88GL
  Historical mailing list - Larry Alofs
  Wed, 13 Jul 2011 15:36:47 -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...
• Re: Audiovox cruise control/Subaru engine
  Historical mailing list - Dug Smith
  Fri, 28 May 2010 08:45:42 -0700
  ...I have an automatic Tiico, and a CCS-100 with a vacuum reservior I got from a junk yard Volvo (I might do a...
• Engine stalls
  Historical mailing list
  Fri, 13 Jan 1995 11:32:10 -0500
  ...valve is good (on the ohmmeter) but the vacuum does not drop after warming. Lately I discovered that the fuel pump runs after turning...
• AFM symptom? Won't Start After Being Off for +1 min.
  Historical mailing list - Conrad Klahn
  Tue, 27 Jan 2004 10:11:25 -0600
  ...I did find a vacuum leak which fixed the cold start symptom. Now If I start it up first thing in the morning it...
• Re: 1.9 wbx aux. air reg and later style throttle switch plug
  Historical mailing list - Neil N
  Mon, 23 May 2016 16:58:06 -0700
  ...Ironically, the way the wiring harness laid, the air regulator plug wires are shorter than the wires to the throttle switch plug. So it...
• Re: coolant pressure gauge
  Historical mailing list - Darrell Boehler
  Fri, 4 Jun 1999 13:56:48 -0500
  ...They may provide the means needed to check for a vacuum or pressure. Your system should have very little vacuum before it pulls coolant...
• Re: Running rich.....me too
  Historical mailing list - Greg Potts
  Thu, 18 Oct 2007 09:53:12 -0400
  ...The FI system in the vanagon is not rocket science, most faults can be diagnosed with a fuel pressure gauge, vacuum gauge and trouble...
• Re: Quick throttle body re-bush
  Historical mailing list - Alistair Bell
  Sat, 13 Sep 2014 16:37:11 -0700
  ...wrote: >> very helpful Alistair. >> >> I still may buy the gowesty vacuum operated TB switch for my '88 but >> knowing that HDPE likely works (untested...
• Re: Diffential lock for 2wd vans?
  Historical mailing list - Stephen Overmyer
  Wed, 29 Nov 2000 16:29:09 +1100
  ...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: Idle Control System Explanation, please?
  Historical mailing list - Dennis Haynes
  Sun, 15 Mar 2015 11:55:28 -0400
  ...If the switch is failed open you won't get the fuel shutoff or O2 sensor recovery. Under a high enough vacuum you may...
• Re: 87 2.1 dies after 30 seconds
  Historical mailing list - Jon VO
  Fri, 27 Feb 2015 16:20:55 -0700
  ...good > throttle switch is adjusted good > idle control valve and module are both good > ECU is good > the purple and white vacuum lines appear...
• Re: Short shift for 5 speed
  Historical mailing list - Don Hanson
  Fri, 29 Jun 2012 14:43:25 -0700
  ...micro switch ( > VW Squareback has this too, but only in a 3 speed version ) on the shifter > disengages a conventional clutch using vacuum ( I...
• Re: cruise control mystery
  Historical mailing list - Todd Last
  Tue, 8 May 2001 17:37:34 -0700
  ...the turn signal) > > A switch on the brake and clutch pedal > > A Vacuum motor in the engine compartment > > A Vacuum servo attached to the...
• ISV questions (updates and clarifications)
  Historical mailing list - Roger Reynolds
  Wed, 6 Nov 2002 21:52:47 EST
  ...for vacuum leaks, cleaned the grounds to the left inside the engine compartment, adjusted the idle setting, and checked the throttle position switch. Update...
• Re: 2.1 Engine idles at 2600 rpm; 2nd computer doesn't fix
  Historical mailing list - Tabe Johnson
  Tue, 18 Apr 2006 00:15:50 -0400
  FYI - Idle computer = Idle Stabilizer Control, behind right taillight I did look for vacuum leaks, and found none. I think this stands to reason...
• 78 camper for sale by friend of coworker
  Historical mailing list
  Tue, 19 Mar 1996 15:02:25 -0800
  ...need to start it up using external switches since the ignition is broken; probably has a vacuum leak (it won't idle nicely); needs...
• Re: Loss of power at low revs
  Historical mailing list - Tim Demarest
  Fri, 23 Dec 2005 13:43:12 -0500
  ...as for the throttle response, it could be a lot of things, but I'd check the throttle position switch first. Most years have...
• Re: The two throttle valve switches, redux
  Historical mailing list - David Kao
  Tue, 25 Sep 2007 22:56:21 -0700
  ...Both switches > >> ground Pin 4, the ECU doesn't have any way to know which switch did it. > >> > >> Now if the engine is at...
• Re: Engine analyzer/tach recco?
  Historical mailing list - Scott Daniel - Turbovans
  Thu, 24 Mar 2011 00:16:46 -0700
  ...oh .. 'to me' ..this is a very, very important tool to have ..a remote starter switch .. that is more for convenience, such as when...
• 80-83 Tranny / engine / Fuel Injection FS
  Historical mailing list - Stan Wilder
  Mon, 20 May 2002 19:23:41 -0500
  ...Throttle Valve switch. (Full throttle switch) Engine Temperature Sensor Part # 0.280.130.012 Pressure Regulator (vacuum Limiter) Part # 0.280.160.100 Resistor...
• Re: '90 GL Cruise Control
  Historical mailing list - Jim Davis
  Tue, 6 Oct 1998 02:41:20 EDT
  ...Controller - Takes inputs from speed sensor, driver switches, etc and determines proper actuator position. Acutator - Typically a vacuum powered device that pulls open the...
• poor startup and cold running 2.1 WBX
  Historical mailing list
  Tue, 1 Oct 2013 06:52:34 +0100
  ...I have checked the temperature sensor and idle switch already.� The idle system and idle air bypass seem to be working.� I remember checking...
• Re: 85 Vanagon w/non-stop blinking LED
  Historical mailing list - Aristotle Sagan
  Wed, 21 Apr 2004 16:40:16 -0700
  ...hoses, flushed cooling system, repaired some > vacuum leaks. They have by-passed the coolant sensor and switched out the > instrument cluster to trouble shoot...
• WTB: Complete Fuel injection system for 1982 Vanagon
  Historical mailing list - Greg Potts
  Tue, 7 Sep 2004 10:43:27 -0400
  ...Resistor Pack Wiring Harness AFM Cold-start injector Thermal time switch Various required vacuum hoses. We'll be sourcing our own fuel hose and...
• Re: It continues - Engine RPM Hunting 200-500 rpm
  Historical mailing list - John Rodgers
  Sat, 9 Oct 2010 20:47:06 -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: 86 intermittently cuts out -MN
  Historical mailing list - Mark Rovere
  Thu, 16 Jan 2003 09:50:03 -0500
  ...Either the ignition switch on/off or full accelerator switch will clear the problem up for a few miles. The VW dealer ($168....no...
• Still running like crap, the saga continues
  Historical mailing list - BJ Feddish
  Wed, 5 Mar 2008 16:40:00 -0500
  ...After a vacuum check everything looked fine except a slight leak at the throttle body. I thought I was going to be getting a...
• Re: Intermittent high idle - able to make "go low"
  Historical mailing list - Dan N
  Wed, 24 Jun 2015 11:31:40 -0700
  I think either the butterfly in the throttle body is sticky or the TPS (throttle position switch) is out of adjustment On Wed, Jun...
• Re: Same old Issue - RPM hunting
  Historical mailing list - Alistair Bell
  Tue, 5 Oct 2010 12:01:52 -0700
  Only one, my fall back answer, check for vacuum leaks. They can be crafty, splits in hoses, bad fitting throttle body to plenum (shrunk...
• What's Wrong with my 83' Vanagon?
  Historical mailing list - The Hammad Family
  Fri, 21 Sep 2001 11:59:54 -0400
  ...I have replaced all engine gaskets, (including heads) water pump, thermostat, fan switch, fuel filter, O2 sensor, piston rings, complete tune-up and probably...
• Re: Help-crazy bouncing idle
  Historical mailing list - Larry Alofs
  Sat, 29 Aug 2015 12:39:46 -0400
  ...I wouldn't mess with that until thoroughly checking/testing/adjusting the switch on the throttle body. Bentley 24.33-36 Larry A. On...
• Name That Part - Bonus Round
  Historical mailing list - David Johnson
  Sat, 28 Apr 2007 20:26:23 -0600
  ...Now, from the Bentley, this may be a theromtime switch. If so, does it just have an electrical coonector, or something else, or what...
• Re: Intermittent high idle - able to make "go low"
  Historical mailing list - David Beierl
  Thu, 25 Jun 2015 10:48:57 -0400
  ...On the 2.1l the closed-throttle switch will affect idle, but probably not to the extent of 1800 rpm. If the throttle body...
• Re: Rough Running 1.9L
  Historical mailing list - David Beierl
  Wed, 6 Oct 2004 14:50:35 -0400
  ...Squirt some CRC Electronic contact cleaner where the actuating pin enters the switch and operate the switch repeatedly may well cure it, assuming it...
• Re: does aux air reg affect idele after warm up 1.9
  Historical mailing list - Spencer Allen
  Mon, 9 May 2016 21:04:10 -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...
• Re: I need help, please
  Historical mailing list - Bruce Todd
  Fri, 2 Dec 2022 11:56:03 -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...
• Re: Remote Starter Switch Wire-up for '88GL
  Historical mailing list - Edward Maglott
  Wed, 22 Jun 2011 13:26:50 -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...
• Re: CO Adjusting Screw, Throttle Valve Switch Test Light Video etc.
  Historical mailing list - Dave Mcneely
  Wed, 27 Jun 2012 08:58:03 -0500
  ...CO Adjusting Screw, Throttle Valve Switch Test Light Video etc. > > > > On 6/26/2012 6:23 PM, neil n wrote: > >> The TB seal may...
• Oil pressure switch and unidentified black tube
  Historical mailing list - Ben McCafferty
  Wed, 12 Dec 2001 20:37:00 -0800
  ...The oil pressure switch on the driver's side (between the pushrod tubes) has a wire/spade connector to it, but the wire is...
• H2O tank senders solved!
  Historical mailing list - David Beierl
  Sun, 4 Jul 1999 18:39:02 -0400
  ...The top switch is normally open and the bottom switch is normally closed. The two foils are shorted together below the bottom resistor/switch...
• Re: [Syncro] Front diff lock light not blinking
  Historical mailing list - Per Lindgren
  Tue, 26 Oct 1999 11:38:10 +0200
  ...I > did notice on my Syncro that there is a 'Y' vacuum connector on the rear > difflock switch although my Bentley doesn't refer...
• Re: Failure to return to idle
  Historical mailing list - Jerry
  Sat, 30 Dec 2006 21:16:19 -0600
  ...It's very important that this switch operates correctly and the adjustment is very sensitive. The throttle position switch costs around $65.00. Always...
• 2.1 Upgrade for '85 Westy?
  Historical mailing list - Jay L Snyder
  Wed, 13 Mar 2002 10:28:02 -0500
  ...It does have the later single throttle switch, and the vacuum layout is the later style shown in the Bentley. Anyone have any pros...
• Re: Air conditioning electrical questions
  Historical mailing list - Larry Alofs
  Sat, 3 Aug 2002 11:00:04 -0500
  ...Assuming that you are charging into a vacuum, this switch should prevent the compressor from running. The instructions on my cans of ES-12...
• Re: WHAT JUST HAPPENED???
  Historical mailing list - Joseph Fortino
  Fri, 22 Feb 2008 08:05:38 -0800
  ...WOT >caused three things to occur; it dropped the intake manifold vacuum to >retard the timing closer to normal, fooled the ECU in thinking...
• Re: intermittant misfire
  Historical mailing list - jhlauterbach
  Mon, 2 Apr 2001 22:44:22 -0400
  ...and a vacuum leak > should make it worse when you accelerate or idle. i'd suspect an > electrical problem, something like the idle stabilizer...
• Re: Correct Gap of Sparks
  Historical mailing list - Steve Delanty
  Thu, 20 Feb 2003 14:24:20 -0800
  ...I've played with a few high voltage projects using ign coils to generate HV and they don't work well at switching frequencies...
• Re: 82 aircooled power
  Historical mailing list - Stan Wilder
  Thu, 27 Sep 2001 12:16:40 -0500
  ...If you have old vacuum lines that are hard or loose it might be best to start there.You also need to be sure...