Search messages and discussions

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 7+: 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.

• '82 Westy idle speed too high
  Historical mailing list - Kenneth D Balfanz
  Wed, 22 May 96 13:09:04 -0500
  ...I am sure that it is mechanical wear in the intake butterfly valve. It won't consistantly seat in the same spot, so the...
• Re: Do you have one of these?
  Historical mailing list - Scott Daniel - Turbovans
  Fri, 1 Aug 2008 11:54:18 -0700
  ...I > see it's teed into a line from the Idle Air Valve that I think > supplies idle air to the intake manifold (I...
• Re: Excessive Oil Usage
  Historical mailing list
  Wed, 22 Feb 95 16:01:56 PST
  ...If your engine burns oil or if valve guides are worn you will see the blue smoke pouring out of the tailpipe. AT the...
• RECIPE FOR PERFORMANCE
  Historical mailing list - Robert Lilley
  Sat, 5 Jun 1999 21:23:34 PDT
  ...valve, radius, stem, port), piston top and side, sealing surface (eliminate head corrosion problem), entire exhaust system. -Match port complete exhaust system, intake runners...
• Re: port matching intake manifolds to heads
  Historical mailing list - Zeitgeist
  Mon, 21 Jan 2008 05:56:19 -0800
  ...I port-matched both the intake and exhaust ports/manifolds, as well as cleaned up the surfaces around the valve stems and such. I...
• Re: Fw: Spillage when filling the gas
  Historical mailing list - David Beierl
  Wed, 13 Jun 2001 22:38:27 -0400
  ...Fuel-injected engines can have trouble with injectors fouling; certain intake-valve deposits can cause stumbling; combustion-chamber deposits raise emissions. Since 1995 all...
• Re: Oil dipstick pushed out of the tube
  Historical mailing list - John Bange
  Thu, 2 Oct 2008 21:16:58 -0700
  ...There's a reed valve up there than shuts when there's more than a certain amount of vacuum in the intake plenum. Given...
• Re: idle surge diagnosis?
  Historical mailing list - Lawrence Johnson
  Sat, 3 Oct 1998 09:26:59 -0400
  ...To test your IS valve, try spraying a small amount of fine oil into the air intake of the IS valve (engine off) and...
• Re: Intake air flow, improvement possible?
  Historical mailing list - Bostig Engineering
  Sun, 28 Nov 2004 08:58:43 -0800
  ...big valve engine will be greater than for a stock engine, because there is more potential still choked up by the restrictive intake, and...
• 80-83 Tranny / engine / Fuel Injection FS
  Historical mailing list - Stan Wilder
  Mon, 20 May 2002 19:23:41 -0500
  ...Electronic Control Unit (JETRONIC) s Part # 039-906-021C Auxiliary Air Valve Part # 0.280.140.101 Air Cleaner Top and Bottom with intake...
• Re: Lifter noise - 2.1 L WBX
  Historical mailing list - Bruce Todd
  Sun, 15 Mar 2015 10:44:49 -0700
  ...was actually a broken intake and exhaust valve adjusters. Might see a little bit of metal in the valve cover once they are removed...
• Small cracks in head (between valves) 2.1 l wbxer
  Historical mailing list - dgak sdfhkasjfh
  Sun, 18 Jan 2004 21:24:35 -0800
  I understand these tiny single hairline cracks at the shortest distance between intake and exhaust valve are common. Does this mean you go to...
• Contents of Head Gasket Kit 025 198 102A 025198102A
  Historical mailing list - tabe johnson
  Thu, 24 Mar 2005 22:17:25 -0500
  ...1) Sticker from kit, P/N 025 198 102A, mfg by Elring 2) Valve Cover Gasket, may be attached to valve cover with most...
• Re: Fuel Injection Cleaner
  Historical mailing list - Erik Soule
  Fri, 10 Feb 1995 16:25:36 -0800
  > The only time oil and gas can meet is through either the valves or > the rings (assuming the intake tract is working properly). Assuming...
• Re: Question about VW Bus Heads?
  Historical mailing list - S DaRoota
  Fri, 5 Jan 2018 17:26:38 -0800
  ...the are 071 heads then they are 39.3mm intake valves and 33mm exhaust valves, On Jan 5, 2018 11:07 AM, "kenneth wilford...
• Re: hard start, for 2 years!
  Historical mailing list - Jake Beaulieu
  Fri, 27 Apr 2007 12:12:44 -0400
  "faulty air intake boot?" I wish. I have thoroughly inspected the boot several times and have not found any problems. the rubber looks good...
• Interesting problem
  Historical mailing list - Pete Cassidy
  Tue, 24 Aug 1999 13:59:51 -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...
• Digijet Rough Cold Idle Solved
  Historical mailing list - Jason Yasment
  Wed, 30 May 2001 12:14:23 -0500
  ...Remove the plastic intake elbow. 4. Remove the vacuum lines and electrical connection from the Aux Air Valve. 5. Using a 10mm socket on...
• Re: Cold Air Intake
  Historical mailing list - Stuart MacMillan
  Mon, 30 Mar 2015 19:31:22 -0700
  ...Cold Air Intake Magnaflow also sells the smaller non CARB approved catalyst for the Vanagon. The GW muffler is also from Magnaflow. Over advanced...
• Re: Digifant II 'Diesel' Conversion Pics
  Historical mailing list - Alistair Bell
  Tue, 18 Sep 2001 09:25:45 +0000
  ...throttle valve at the rear of the engine. Save you the bother of the manifold work and leading the sewer pipe intake around the...
• Re: Vortex Valve(tm)
  Historical mailing list - Chris Mills
  Mon, 16 Sep 2002 16:22:24 -0500
  Is this like the little Tornado thingy you put in the intake? Save your money... Trust me... >Well Tim's question wouldn't let...
• Re: Compare & Contrast: Diesel Westy vs. 2.1 WBX Westy
  Historical mailing list - David Brodbeck
  Mon, 16 Jun 2003 11:35:33 -0400
  ...I've had repeated problems with mine because my valve cover is warped. I should probably give up on trying to straighten it and...
• Re: Porsche 914 heads on Vanagon motor...
  Historical mailing list - Daniel Schmitz
  Thu, 7 Jun 2001 21:52:18 -0700
  ...You have already noted the 3-bolt intake manifold. In addition, the 914 2.0 uses solid lifters and later examples use a specific...
• 1.9L cracked heads
  Historical mailing list
  Sun, 4 May 1997 23:19:57 -0400 (EDT)
  ...Has anyone had problems with cracked heads on the 1.9L? The hairline cracks I have found are between the intake and exhaust valves...
• Re: Poor Hot Start Discovery - midway through solution
  Historical mailing list - David Beierl
  Sun, 26 Aug 2012 17:51:21 -0400
  ...n wrote: >could the EVAP purge valve diaphragm fail open allow fuel vapours to >flood the intake and cause a hard arm start? Seems...
• Re: TDC ?
  Historical mailing list - Jeff Diebolt
  Tue, 28 Jan 1997 21:58:44 -0500
  ...All of this >corresponds to the end of the compression stroke (both intake and exhaust >valved closed and the pison has moved from the...
• Re: Poor Hot Start Discovery - midway through solution
  Historical mailing list - David Beierl
  Mon, 27 Aug 2012 03:26:31 -0400
  ...2 >the big hose from purge valve goes downstream of the AFM into the >"T" at intake manifold. This is the hose I was...
• Re: Cold idle mystery
  Historical mailing list - Michael Diehr
  Thu, 17 Jun 2004 09:48:36 -0700
  ...intake manifold (leading to a massive, intermittent vacuum leak). Before I had figured this out, however, I replaced cap plugs & rotor, adjusted the valves...
• Re: Parts List for Complete Fuel injection system for 1982 Vanagon
  Historical mailing list - Greg Potts
  Tue, 7 Sep 2004 12:08:05 -0400
  ...start valve Part # 0.280.170.026 > (will > not have EGR valve, it will be blocked off) > 4 Boot Sleeves, manifold to intake manifolds...
• Re: Febi Val Lifters!
  Historical mailing list - Wrenold Williams
  Tue, 7 Jun 2016 21:30:24 -0400
  ...I did find a slightly bent push rod tube on the intake valve of # 3 cylinder � I straightened it as much as I could...
• Re: Idle stabilizer for 1.9
  Historical mailing list - David Beierl
  Mon, 21 Nov 2016 18:12:37 -0500
  ...P/S and A/C have solenoid valves to allow extra metered air into the intake plenum, they don't have any awareness of...
• Re: Manifold vacuum specs?-Leak down testing
  Historical mailing list - Dennis Haynes
  Sat, 30 Dec 2006 23:26:36 +0000
  ...If your hear leakage through the intake, you have an intake that is not seating and if through the exhaust, bad exhaust valve. Poor...
• Re: oil inside intake boot
  Historical mailing list - Michael Rule
  Tue, 2 Nov 2004 18:03:03 -0800
  Aha! I was thinking in of my American car- as in how an old PCV valve might allow excess oil into the airfilter container...
• Re: WAS: Starter Motor... Failure: NOW: 50 Circuit Weirdness. ECU Related?
  Historical mailing list - neil n
  Sat, 15 Dec 2012 23:34:35 -0800
  ...http://www.ipdusa.com/uploads/images_products_slideshow/fullsize_6493.jpg > 'ICU' make me think of what I call the Idle Control Valve .. sometimes...
• Head Repair, valves and success
  Historical mailing list - Dan Erlandson
  Wed, 25 Jun 2003 22:36:58 -0400
  ...My valves are still clicking away and the exhaust valve on the #1 cylinder was hung up and not seating correctly, but with that...
• Vacuum guage
  Historical mailing list
  Sun, 13 Oct 1996 10:28:58 -0500
  ...The erratic fluctuations of the needle could indicate leaky valves. I have read that one of the tools used to analize intake funtion is...
• ( four bent valves) fixed
  Historical mailing list - Jeff Ensing
  Tue, 12 Apr 2005 01:10:27 EDT
  ...The intake runners were literally filled a .5" with what looked like roofing tar! Heads are cleaned and back together valves lapped in and...
• Re: '85 vanagon passenger compartment fan...
  Historical mailing list - mark drillock
  Fri, 11 Nov 2005 11:48:58 -0800
  ...The cable for the heater valve will need to be undone at the >valve end but the other cables can be left attached. > >Mark...
• Re: Do not give up on the Wasserboxer just yet, the power is there....
  Historical mailing list
  Sun, 13 Dec 1998 02:08:27 EST
  ...exhaust >valve radius, exhaust port. >-Slight porting of the intake and exhaust ports >-3 Angle valve job on seats, 2 angle on valves >-Copper...
• Re: Compression braking & Power Loss
  Historical mailing list - John Bange
  Tue, 21 Feb 2006 14:34:27 -0800
  ...the pistons are pulling against a vacuum in the intake tract. The big air valve in the throttle body provides the seal when pressure...
• Re: Distabator wobble
  Historical mailing list
  Tue, 7 Feb 1995 01:59:54 -0400
  ...vacuum advance plus air leaks on the intake side maybe, leading to irregular advance. Bad valves cause vacuum fluctuation also. Disconnect the vacuum and...
• Re: Van Stalls Easily when totally cold.
  Historical mailing list - Scott Daniel - Turbovans
  Fri, 19 Sep 2008 21:10:32 -0700
  ...that was supplied by the aux air valve. Always remember to consider and look for intake and air leaks in general. They can really...
• CIS-E wiring harness FS
  Historical mailing list - bobby aquino
  Wed, 11 Sep 2002 10:30:50 -0700
  ...I even have a rebuilt cylinder head (all new, all 4 intake valves, all 4 exhaust valves, seals, all 8 guides, all the injector...
• Big Engine For Sale
  Historical mailing list
  Mon, 7 Nov 94 14:27:57 PST
  ...Valve pocket port and contouring > o Stellite hardened exhaust valve seats (for unleaded fuel) > o Hone-fitted bronze valve guides (durable!) > o Intake runners...
• Re: WAS: OBD Reader.... NOW: High and Low Voltage Wires. Problem Solved??
  Historical mailing list - Scott Daniel - Turbovans
  Sat, 23 Oct 2010 17:49:59 -0700
  ...I'd go for things like intake leaks.. worn valve guides or seals, carbon deposits on the top side of the intake valves .. things...
• Re: Engine/Compressor
  Historical mailing list
  Tue, 04 Jun 1996 23:52:28 -0700
  ...So there were some that had an intake valve and two alternate opening exhaust valves on the stuffer cylinders. Now, when you start taking...
• MOFOCO report
  Historical mailing list
  Mon, 11 Mar 1996 12:58:32 -1000
  ...The "brand new heads" were assembled with used intake valves and used valve springs. All of the parts are dirty--the crank was slightly...
• Re: location of vacuum hose????
  Historical mailing list
  Sun, 15 May 94 20:08:51 PDT
  ...EGR valve on my 76 van. > I looked, but I couldn't find where the other end goes! Somewher near the > intake air manifold...
• Re: Friday question.Re: Vacuum gauge NVC
  Historical mailing list - Scott Daniel - Turbovans
  Sat, 22 Aug 2009 14:48:04 -0700
  ...intake manifolds ) ...that >> tool measures flow above the throttle plate. >> >> a vacuum gauge measures vacuum developed between the throttle >> plate and intake valves. > > > Yes...
• Re: lifter cam Q, 1.9 to 2.1
  Historical mailing list - ROBERT DONALDS
  Sun, 1 Jan 2006 20:34:01 -0500
  ...Intake is just over .305 at the push rod and .335 at the valve the 2.1 cam has an exhaust lift of .348ths...
• Re: Cold Air Intake
  Historical mailing list - Jeff Schwaia
  Mon, 30 Mar 2015 20:33:29 -0700
  ...Cold Air Intake Magnaflow also sells the smaller non CARB approved catalyst for the Vanagon. The GW muffler is also from Magnaflow. Over advanced...
• Re: Charcoal Cannister Purpose
  Historical mailing list - neil n
  Mon, 26 Oct 2009 20:05:30 -0700
  ...through canister, out larger upper hose through the vacuum controlled valve then into intake manifold? Neil. -- Neil Nicholson '81 VanaJetta 2.0 "Jaco" http...
• Re: Exhaust Design
  Historical mailing list - Don Hanson
  Mon, 15 Feb 2010 09:32:04 -0800
  ...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: Friday NVC: Long-neglected valve adjustment question?
  Historical mailing list - Stephen Grisanti
  Fri, 11 Feb 2022 13:44:34 -0500
  ...I also noticed the brake boost is noticeably > lower at idle, which I guess is a sign of weak vacuum from the intake > valves...
• Re: Watching Oil Temp (long, as usual)
  Historical mailing list - David Beierl
  Wed, 20 Jul 2011 13:28:03 -0400
  ...The intake valve is cooled by intake air, but the only cooling the exhaust valve has is through the narrow contact ring to the...
• one more question...
  Historical mailing list - Gregor Durstewitz
  Sat, 30 Sep 1995 21:44:27 -0800 (PST)
  ...vacuum valve (correct me if i'm wrong, i couldn't find it in my books...)which is located in the air intake elbow...
• Re: RE> Excessive Oil Usage/15 Inch wheels
  Historical mailing list
  Thu, 23 Feb 1995 15:32:51 -0400
  ...valves aren't seating well, or a hiss at the intake side if inlet side. tim s.
• Calling all turbo charger / Diesel experts!!
  Historical mailing list - David Marshall
  Sat, 19 Oct 2002 08:40:01 -0700
  ...On the intake manifold there is a blow off valve - this is sort of an emergency waste gate that will activate if the turbo...
• Re: Hydraulic lifters
  Historical mailing list - Rick Cooper
  Sat, 21 Sep 2024 11:39:34 -0700
  ...Today, I readjusted the valves and was able to screw down the adjustment screws on the two intake valves by 1.5 turns easily...
• Re: Vanagon Syndrome??
  Historical mailing list - Raceingcajun
  Tue, 17 Jan 2006 19:28:53 -0600
  ...air on the intake side, while the pressure is from the exhaust side, and enters the intake system when the valves are at overlap...