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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 9+: 60 results shown for Intake Valve.

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

  • Re: 1.9l Heads needed
    Historical mailing list
    Sun, 23 Feb 1997 10:12:28 -0600 (CST)
    ...My >heads have the crack between the intake/exhaust valves that has grown beyond >the 1 millimeter tolerence allowed according to Bentley. > >-Gregg Carlen...
  • Re: AMC heads (part 2)
    Historical mailing list - John Rodgers
    Tue, 31 Oct 2006 18:29:40 -0600
    ...In that training we were taught that the intake valve was cold, the exhaust valve was hot, and that told the tale. Exhaust valves...
  • Re: Friday question.Re: Vacuum gauge NVC
    Historical mailing list - Scott Daniel - Turbovans
    Sat, 22 Aug 2009 14:01:58 -0700
    ...a vacuum gauge measures vacuum developed between the throttle plate and intake valves. If the poster will say what he's trying to diagnose...
  • Re: Hydraulic lifters
    Historical mailing list - Todd Last
    Sun, 8 Sep 2024 00:23:37 -0700
    ...The problem is with the intake valves, the two in the middle. (Yes, I am working on the cylinders separately after setting the engine...
  • Re: throttle responce question
    Historical mailing list - Stan Wilder
    Wed, 23 Jun 2004 00:49:53 -0500
    Get yourself a plenum chamber and intake runners from a 914 Air Cooled Porsche. It has larger intake runners, a nifty full throttle switch...
  • RE: Idle problems
    Historical mailing list - Maher, Steve (SD-MS)
    Fri, 15 Sep 1995 11:57:00 -0700 (PDT)
    ...I found a hole in the little one- >>way valve in the vacuum line that runs fron the intake naifold, all >>the way forward...
  • Vanagon Parts for Sale
    Historical mailing list - John Philcox
    Sun, 13 Jul 2003 09:45:50 -0400
    ...1 air intake rubber elbow $20 2.1 throttle body $65 2.1 oil cooler $25 2.1 idle stabilizer valve $65 2.1...
  • Re: Brake Booster - 1991 Carat
    Historical mailing list - Dennis Haynes
    Thu, 18 Sep 2014 20:18:51 -0400
    ...Often the check valve goes bad which is an easy repair. A bad engine especially an intake valve can result in poor brake booster...
  • Filling Propane Tanks was gas tank;
    Historical mailing list - Loren Busch
    Tue, 28 Feb 2006 21:54:00 -0800
    ...I've assumed that it is a float type valve inside the tank, shuts off the intake flow at 80% full. And the bleeder...
  • Re: HIGH BRAKE PEDAL EFFORT ('71 CAMPER)
    Historical mailing list
    Mon, 29 Apr 1996 15:32:01 GMT
    ...BTW, it is important that the vacuum line be routed upwards as it leaves the intake manifold. Even with the one-way valve in...
  • Re: 84 vanagon wasserboxer
    Historical mailing list - Jonce Fancher
    Thu, 17 Apr 2008 22:51:26 -0400
    ...There was somthing about the black tower that if you use a PCV Valve on it and plug the intake boot where it plugs...
  • Re: performance engine question
    Historical mailing list
    Thu, 4 May 1995 10:43:53 -0700
    ...The Heads will have 39mm intake and 32mm exhaust valves all >with heavy duty springs. My question is, will my compression ratio be all...
  • Engine dies update
    Historical mailing list - Stephen M Canapp
    Mon, 5 Mar 2001 13:15:01 -0500
    ...Seems to run better, but I think the idle stabilizing valve fix "might" of been my main culprit. Discovery #2, Air intake hose collapsed...
  • Engine dies update
    Historical mailing list - Stephen M Canapp
    Mon, 5 Mar 2001 13:15:01 -0500
    ...Seems to run better, but I think the idle stabilizing valve fix "might" of been my main culprit. Discovery #2, Air intake hose collapsed...
  • Re: Interesting problem
    Historical mailing list - Karl Wolz
    Tue, 24 Aug 1999 14:31:23 -0700
    ...Anyways, the hose that connects the crankcase breather > valve to the intake was completely busted through. The pipe was > flattened and rotten & there was...
  • Re: Fuel tank pressurised
    Historical mailing list - Steve Overmyer
    Thu, 13 Feb 2003 14:42:21 +1100
    ...Trace the plastic purple vacuum hose from the intake manifold to = >the valve. the valve most likely has a hole in it and that...
  • Re: Exhaust Design
    Historical mailing list - Dave Mcneely
    Mon, 15 Feb 2010 12:43:52 -0600
    ...go through, and > > > the crudeness of plenum and intake runners, and only one intake valve per > > > cylinder , and 'ok' ports. > > > > > > for comparison ..........and to...
  • Re: Digifant II 'Diesel' Conversion Pics
    Historical mailing list - David Marshall
    Tue, 18 Sep 2001 19:44:53 -0700
    ...like the exit angle of the throttle valve. Also, we sort of killed the A2 intake manifold when we combined it with an A1...
  • idle and vacuum diagnosis
    Historical mailing list - Mark Keller
    Fri, 8 Oct 2004 14:06:04 -0700
    ...A vibration movement, worn guide, 2 points of movement slow, worn plugs, occasion drop, valve /intake leak, constant low, vacuum leak/ timing issue. That...
  • Re: Friday NVC: Long-neglected valve adjustment question?
    Historical mailing list
    Sat, 12 Feb 2022 21:17:14 +0000
    ...which I guess is a sign of weak vacuum from the intake valves not closing fully.  Their local mechanic recently $oaked them for new...
  • cold-engine stall with A/C on
    Historical mailing list - Michael Diehr
    Fri, 2 Jul 2004 10:13:59 -0700
    ...The "Auxiliary Air Valve" is hard to see (mounted on the block under the intake), the other two (Power Steering and Air Conditioner) are...
  • Re: Hydraulic lifters
    Historical mailing list - Rick Cooper
    Sun, 8 Sep 2024 08:31:49 -0700
    ...intake valves, as soon as I start trying to turn the adjustment screws the 1.5 or 2 turns, I notice that the valve...
  • Re: Rings or Valve Guides (82 air cooled)
    Historical mailing list - neil N
    Sat, 13 Oct 2007 12:06:06 -0700
    ...I imagine that > the valve guides are worn, and oil comes into the > cylinder via the intake valve. > > Does anyone have a good way...
  • Re: Small cracks in head (between valves) 2.1 l wbxer
    Historical mailing list - Eric Zeno
    Mon, 19 Jan 2004 07:53:28 -0500
    ...Do you dare? ERic dgak sdfhkasjfh wrote: >I understand these tiny single hairline cracks at the >shortest distance between intake and exhaust valve are...
  • Re: Question about testing O2 sensor with digital meter
    Historical mailing list - mdrillock
    Fri, 26 Sep 2008 19:11:16 -0700
    ...It injects nothing into the combustion chamber or intake. Called a "commencement of injection valve" in many other documents. Used as a cold starting...
  • Advice of list would be appreciated -- driving after head repaired and reinstalled
    Historical mailing list - John Lauterbach
    Wed, 7 Dec 2011 20:10:39 -0500
    ...Ron had head rebuilt after #1 intake valve dropped two weeks ago and has reinstalled the head. I plan on driving back tomorrow keeping...
  • 197WTB: 1977 bus parts
    Historical mailing list - Mark E Ingles
    Wed, 06 Jul 1994 00:50:05 CDT
    I'm hunting for a few parts for a 1977 bus: * throttle valve housing (2.0 liter fuel injection) * intake air sensor (2.0...
  • RE: Vanagons: How lumpy is your idle?
    Historical mailing list - Dan Soiney
    Tue, 4 Jun 1996 12:48:40 -0500
    ...He took it to an independent shop which = told him de had a bad (i think) intake valve!! I didn't believe it = until...
  • RE: HE LIVES!!!!!
    Historical mailing list - Maher, Steve (SD-MS)
    Tue, 11 Jun 1996 11:19:00 -0700 (PDT)
    ...Are your intake manifold gaskets OK where the intakes bolt to the cylinder heads? If you have a dual-port engine, are the boots...
  • Re: Emissions failure Nox
    Historical mailing list - Walter Houle
    Wed, 17 Jun 2009 17:06:10 -0400
    ...Next thing to check is the entire intake system. Look for leaks, loose clamps, bad gaslets, bad cold start aux air regulator valve, etc...
  • performance engine question
    Historical mailing list
    Wed, 3 May 1995 22:29:00 -0400
    ...The Heads will have 39mm intake and 32mm exhaust valves all with heavy duty springs. My question is, will my compression ratio be all...
  • Vanagon fuel requirement
    Historical mailing list - David-M
    Mon, 14 Sep 1998 13:39:45 -0400
    ...Apparently the important factors are protection against carbon build-up on intake valves, and keeping the fuel injectors clean. Has anyone researched this subject...
  • Re: Made the mistake of checking compression
    Historical mailing list - Stuart MacMillan
    Wed, 5 Sep 2012 23:02:06 -0700
    ...If the low compression is due to ring or valve damage then you have to consider the risks of further operation. Bad intake valves...
  • Re: Digifant start up question> RPMs 'hunt around'
    Historical mailing list - Scott Daniel - Turbovans
    Tue, 12 Jul 2011 21:49:11 -0700
    ...I think of air intake leaks, worn intake valve guides and seals. gummed up air idle valve , temp sensor 'maybe . be nice to know...
  • Re: No idle/odd running.
    Historical mailing list - Brendan Slevin
    Wed, 10 Oct 2007 09:26:44 -0700
    ...I went through and took the whole intake boot/aircleaner and all the vac. lines off and started fresh with the diagram in front...
  • Re: Yucatan trip report (not mine)
    Historical mailing list - Ed
    Sun, 1 Mar 2009 17:31:47 -0500
    ...washer pump wires to the cold start valve (an electric fuel spray valve in the intake plenum) and supplied pulses of gas to the...
  • My engine out too...
    Historical mailing list
    Mon, 17 Jul 1995 10:18:27 EDT
    ...I took off one of the heads - I had an intake valve that when I adjusted it the valve stem was slightly below the...
  • Re: Fuel or Electrical Part III
    Historical mailing list - vw_van_fan_Mark
    Fri, 7 Dec 2018 09:26:02 -0800
    From the photos it looks like the valve keeper has mostly failed on the intake valve for cylinder #1. You should stop running the...
  • Re: Some Info & a Question
    Historical mailing list - Craig Oda - Personal email
    Sat, 13 Jul 2002 08:44:55 -0700
    ...Last night when I changed my intake manifold gasket, I took off the injectors from the intake manifold and loosened the manifold a bit...
  • <No subject>
    Historical mailing list - mark drillock
    Sat, 25 Sep 2004 20:48:56 -0700
    ...Rockers seem tight on the valve springs on the exhaust valve adjustment screw > >I only need to do #1 and #2 because I only...
  • Re: TIV 022 Heads ??
    Historical mailing list - Kevin Murray
    Thu, 08 Feb 1996 16:01:11 +0000
    ...SPECS 022.101.372G 37.5mm intake 33.0mm exhaust ***Sodium Filled exhaust valves !! Cylinder Head Temp sensor on one head (G I think...
  • Losing valve lash just after adjustment-why?
    Historical mailing list - Tim Marciniak
    Thu, 29 Aug 2002 20:38:37 -0500
    ...Followed his instructions and adjusted the valves to .006 inch valve lash. I adjusted both intake and exhaust when engine cold. Just to be...
  • Re: Smoke after head replacement
    Historical mailing list - Scott Daniel - Turbovans
    Sat, 14 Jan 2012 20:25:40 -0800
    ...I usually find slightly leaking exhaust valves in 2.1 wbxrs .. I may have seen one really bad intake valve in all those engines...
  • unknown switch?
    Historical mailing list - Claudio Cella
    Sun, 5 Jan 2003 10:08:11 -0800
    ...It is located (and joins 2 rubber hoses) on top of the engine, just beneath the idle stabilizer control valve and slightly to the...
  • Re: induction noise or vacuum leak?
    Historical mailing list - Gary Stearns
    Sat, 10 Mar 2001 22:10:43 -0500
    ...and throttle body > valve. > > I have sprayed the engine (during idle) with starter fluid, especially > around the vacuum connections and intake manifold, and observed...
  • Re: '89 Auto 2.1 Digijet stalling when pulling away (sometimes).
    Historical mailing list - Chuck Mathis
    Mon, 9 Sep 2002 14:03:22 -0400
    Check all the vacuum hoses and the intake boot. Check the throttle position switch adjustment. Also check the Temp II sensor and fuel pressure...
  • Looking for differential lock parts(from Syncro)
    Historical mailing list - John Clemens
    Sun, 9 Jun 2002 19:58:41 -0700
    ...There is a control valve(with knob, nut, and faceplace) in the dash somewhere, and hard plastic hose going from 3 fittings on the...
  • Re: Won't stay running below 2,500 RPM
    Historical mailing list - Dan N
    Sat, 3 Mar 2018 11:18:41 -0800
    besides the idle control module went bad, there's another option worth to try bringing the idle down.. - clean the ICV/Idle Control Valve...
  • Re: GOOP
    Historical mailing list - John Rodgers
    Tue, 13 Dec 2005 21:25:56 -0600
    JordanVw@AOL.COM wrote: >i have used this stuff to fix cracked air intake boots, rubber hoses, etc.. >its called "GOOP" Automotive sealant should...
  • Re: How long to do a valve job and replace the seats?
    Historical mailing list - John Rodgers
    Wed, 27 Sep 2000 18:18:49 -0500
    If the compression is good, but oil consumptions is high, the suspicions would be that the valve guides are wearing out. On every intake...
  • Re: 28.8 MPG
    Historical mailing list - Robert Lilley
    Tue, 31 Aug 2004 17:29:10 -0700
    ...This eliminates HP loss due to flow restrictions -Changing to K&N air filter reduces intake flow restrictions and allows for more air to...
  • Re: Hydraulic lifters
    Historical mailing list - OlRivrRat
    Mon, 9 Sep 2024 09:45:10 -0600
    ...intake valves, as soon as I start trying to turn the adjustment screws the 1.5 or 2 turns, I notice that the valve...
  • breather valve...where does it go on 1.9TD
    Historical mailing list - Paul A. Cianciolo
    Sat, 21 Aug 1999 22:56:29 -0400
    ...I imagine it goes to intake system some how.. but where? Before the turbo? I cannot imagine it goes after the turbo.. What regulate...
  • Re: '82 diesel 1.8 conversion
    Historical mailing list - neil N
    Sun, 19 Aug 2007 18:24:22 -0700
    ...of intake and exhaust is designed by > > > formula starting with the cam . The pressure > > wave > > > is timed to return to the valve just as...
  • HOT START III
    Historical mailing list
    Sat, 20 Aug 94 19:30:18 EDT
    ...tested the cold start valve as per the Haynes manual. After the ignition is turned on after 5 or so seconds the light connected...
  • Step-cut heads?
    Historical mailing list - DaveC
    Wed, 3 Apr 2002 07:47:28 -0800
    The AVP web site <http://www.avp-worldwide.com/heads.htm> says that all WBX heads are rebuilt with new parts (except intake valves...
  • Cleaning intake parts
    Historical mailing list - Ry
    Fri, 5 Mar 2010 15:17:48 -0600
    ...I was wondering about cleaning the Idle Control Valve and various other parts. (not the AFM as I just ordered a new one, was...
  • Re: Aux Air Valve becoming available as reman
    Historical mailing list - Tom Young
    Wed, 20 Jun 2007 20:25:22 -0700
    ...Aux Air Valve becoming available as reman > Question: am I right in thinking that the way these things work is by > supplying a tiny...
  • Re: Where do those hoses go?
    Historical mailing list - Tom Young
    Tue, 2 Jun 1998 18:53:27 -0700
    ...There's a hose that runs from the oil breather to the air intake elbow; there's a thin metal fitting that slips inside...
  • Re: Engine Replacement Options
    Historical mailing list - David Kao
    Tue, 12 Aug 2008 11:46:54 -0700
    ...A beast of a job but doable. > The real problem of worn valve guides is worn intakes can cuase oil to get > sucked in...