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Page 13+: 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: 85 Uneven idle again
  Historical mailing list - Mark Drillock
  Sat, 9 Dec 2000 06:54:51 -0800
  ...The air supply to the intake is neither controlled or measured. Diesels do not need these because they do not operate on the basis...
• Re: vanagon Digest - 16 Jan 2001 (#2001-84)
  Historical mailing list - John
  Wed, 17 Jan 2001 02:49:29 -0500
  ...to cycle the stabilizer valve and upset the idle speed causing your symptom. Also make certain there are NO intake air leaks and that...
• resealing heads - found missing metal on top of valves
  Historical mailing list - Andrew Martin
  Mon, 22 Sep 2008 23:19:19 -0700
  ...of the intake valve tops. There are small areas of missing metal that looks like a coating of some sort. One valve (#4) has...
• Re: Find the gremlin in my 2.1L engine, and get a cash prize
  Historical mailing list - Dennis Haynes
  Mon, 5 May 2003 21:28:34 -0400
  ...These symptoms are consistent with a defective intake valve. Retarded ignition timing or swapped-defective wires may also be a cause. My first bet...
• info needed on crancase ventilation systems (mostly I4)
  Historical mailing list - Sam Payne
  Tue, 1 Dec 2009 02:04:51 -0500
  ...the valve cover, and blow-by is vented from the engine by a hose running between the valve cover and the intake manifold. Saab...
• Re: How to Adapt Brake Vacuum line for engine conversion?
  Historical mailing list - Scott Foss - Shazam
  Mon, 19 May 2008 17:45:21 -0700
  ...to move the check valve to a left/right position and come > up with a transition to the Jetta intake manifold and a way...
• Re: Diesel conversion
  Historical mailing list - neil n
  Mon, 14 Mar 2011 11:49:04 -0700
  ...Intake and PVC valve removed, the valve cover on my ABA (2wd) is close to flush with deck. IIRC, the Syncro body's 2...
• Re: Propane valve replacement?
  Historical mailing list - Karl Mullendore
  Fri, 28 Jan 2000 22:19:16 -0500
  ...as follows. > > There is a single monolithic assembly for the intake, and another > valve (looks like the gas grill kind) heading out to the...
• Re: Oil.. Where's it go?
  Historical mailing list - Neil N
  Tue, 17 Oct 2017 10:23:50 -0700
  ...Since installing it, ive noticed that a little oil ends up in the intake boot, my theory is that oil is getting out the...
• Re: Compression losses
  Historical mailing list - Jim Arnott
  Thu, 7 Jan 1999 11:10:38 -0800
  ...Smith's book "The Scientific Design of Intake and Exhaust Systems." Or if one really wants to read the definitive text, one can find...
• Re: Turbo wasserboxer
  Historical mailing list - Chris S
  Thu, 19 Jun 2003 20:07:48 -0400
  ...Redo your head gaskets in advance, ceramic-coat the heads, valves and pistons, lower the CR, put aircraft-quality head studs in, heat-wrap...
• Re: Losing valve lash just after adjustment-why?
  Historical mailing list - Jay L Snyder
  Fri, 30 Aug 2002 08:07:44 -0400
  ...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: Engine braking with a turbo...
  Historical mailing list - David Marshall
  Mon, 9 Jun 2008 18:44:29 -0700
  ...some engine braking? Perhaps a >> butterfly valve on the intake system along with a blow off valve to >> ensure >> there isn't massive turbo...
• Re: resealing heads - found missing metal on top of valves
  Historical mailing list - Frank Condelli
  Wed, 24 Sep 2008 05:35:28 EDT
  ...of the intake valve tops. There are small areas of missing metal that looks like a coating of some sort. One valve (#4) has...
• Re: exhaust valve grinding
  Historical mailing list - David Kao
  Fri, 6 Jul 2007 10:08:43 -0700
  ...Intake valves don't have this > same treatment, and as such are OK to re-grind. > Any good VW rebuilder knows this, and heeds...
• Re: Charcoal canister on 2.1 digifant engines?, page 20.33
  Historical mailing list - Stephen Overmyer
  Fri, 29 Apr 2005 14:56:55 +1000
  ...tubes (one purple, one white) that go to the intake manifold or into the valve at the top of the canister. End result in...
• Re: Waterboxer hop-up vs. swap
  Historical mailing list - davidb
  Wed, 10 Mar 1999 11:19:28 -0800
  ...rockers, > chip work, flowed heads (and polished), maybe bigger valves, camshaft, > perf. exhaust, better intake, even lighter connecting rods for higer > RPMs and lest...
• got da heads off......wow! :-0
  Historical mailing list - Paul Archibald
  Sun, 23 Mar 2003 19:18:43 -0800
  ...60# in #3) ...but when removing the right bank......WOW!!!! The intake valve has NO seat at all!....and no apparent damage to the...
• Re: Hydraulic Lifter Adjustments
  Historical mailing list - David Kao
  Thu, 28 Jun 2007 08:00:51 -0700
  ...The exhaust valve, however was leaking a lot, > > based on what was coming out the tailpipe, relative to the intake, and > > it had no...
• Re: Help No Power 1.9L HELP REQUESTED!!!
  Historical mailing list - Bulley
  Mon, 26 Apr 1999 07:28:24 -0400
  ...valves adjusted to 2 turns after touch of valve. new rotor, dist. cap and spark plugs. too no avail. Hans Lindemulder
• Re: Smoke after head replacement
  Historical mailing list - Scott Daniel - Turbovans
  Sat, 14 Jan 2012 15:40:38 -0800
  ...work on that # 3 intake valve.. make sure rocker arm screw adjustment is not too tight. and 'usually' ..it's burnt valve anyway.. or...
• Re: PS Pump switch high idle question
  Historical mailing list - Alistair Bell
  Tue, 3 Jan 2017 22:10:54 -0800
  ...The modulation is based on providing a pulsed current to the valve coil. The duty cycle is increased to open the valve further. >>> >>> Dennis...
• Re: Help needed with engine running poorly
  Historical mailing list - Dennis Haynes
  Mon, 12 Dec 2011 23:49:56 -0500
  ...John L recently had the number 1 intake valve stem wear down enough for the keeper to fail and valve fell into the engine...
• Re: Setting Timing Gear
  Historical mailing list - Michael Knight
  Sun, 30 Jan 2005 15:35:41 -0600
  ...As you know the inner two lobes are for the intake valves just make sure that the #1 inner lobe has just closed it...
• RE: Guages
  Historical mailing list
  Wed, 13 Aug 1997 10:56:49 -0500 (CDT)
  ...At Idle you can tell if any intake valves are leaking or if you have a vacumn leak. At speed you can see just...
• Re: Driving without fuel expansion tanks hooked up?
  Historical mailing list - Damon Lowe
  Thu, 3 Jul 2008 20:01:52 +0000
  ...The crossover is connected to the same vent lines as > the expansion reservoir check valves. > They are not 'float' valves; they are weighted check...
• Re: Idle Control Issues
  Historical mailing list - Craig Forney
  Sat, 20 Jul 2013 22:21:39 -0700
  ...idle. > > > > The additional air to the intake plenum is regulated by the Idle Air Control (IAC) Valve (cylindrical object on top of the engine...
• Re: Idle stabilization control question
  Historical mailing list - jon
  Fri, 9 Mar 2007 16:06:16 -0800
  ...its humming away. > -cleaned throttle valve > -new O2 sensor > -checked fuel pressure--ok > -no vacuum leaks > -checked air intake system, verified that I had...
• Re: Seafoam--> Anyone use this
  Historical mailing list - Kath Gene
  Thu, 21 Sep 2006 08:40:25 -0600
  ...If you suck it up in through an intake line it seems to work best--follow the directions carefully. The engine will smoke like...
• Re: Oil dipstick pushed out of the tube
  Historical mailing list - Scott Daniel - Turbovans
  Fri, 3 Oct 2008 12:08:45 -0700
  ...s a reed valve up there than shuts when there's more than a > certain amount of vacuum in the intake plenum. Given that...
• Re: Poor Hot Start Discovery - midway through solution
  Historical mailing list - Scott Daniel - Turbovans
  Sun, 26 Aug 2012 13:29:49 -0700
  ...purge valve. > My reasoning being that if that valve has failed open and is allowing fuel > vapours to pool in the intake, say when...
• Re: Vacuum from Brake Booster?
  Historical mailing list - Mike Collum
  Tue, 14 Jun 2005 11:48:50 -0400
  There's a non return valve in the line in the engine compartment. One has to put the "T" on the manifold side of...
• Re: AMC valves, Boston Bob
  Historical mailing list - Jeff
  Tue, 26 May 2009 18:17:48 -0400
  ...As for valves... wholesale cost of "better" exhaust valves is less than $25, intakes are less than $10. When I say "better", I'm...
• Re: Valve guide removal / replacement
  Historical mailing list - Herr Wibo Fichten
  Tue, 30 Mar 2004 19:39:22 -0400
  ...Valve guide removal / replacement The valve guides do wear out especially the exhaust side. The intakes run cooler and do not wear as quickly...
• rebuild again? - update, goodbye
  Historical mailing list - Matt Goike
  Fri, 27 Sep 1996 08:46:50 -0400
  ...assuming intake valves are not seating as air can be heard coming out through the intake on the leakdown test, also assuming this is...
• Re: JB Weld Throttle body repair question.
  Historical mailing list - PSD
  Mon, 20 Apr 2015 00:04:41 -0400
  ...Bad intake valves and worn guides can also cause symptoms similar to vacuum leaks. Dennis
• Re: 1985 Vanagon airflow sensor ?
  Historical mailing list
  Tue, 5 Aug 1997 21:19:13 -0400 (EDT)
  ...Their saying this is caused by a bad intake valve. Anyone know if this is right. >> Sounds right on the money. If you want...
• Re: Marvel Mystery Oil = Redex
  Historical mailing list - Steve Cotsford
  Mon, 4 Oct 1999 21:41:13 EDT
  ...valves and noisy lifters. I have seen it improve the idle on some rough running cars by pouring it down the carburettor intake a...
• Take a second look at the Dyno Tests Kyle provided ....
  Historical mailing list - Robert Lilley
  Sat, 23 Oct 1999 09:26:11 EDT
  ...Fuel pressure regulator Lightened valve train Ratio rockers Use of synthetic oils Friction reducing coatings Throttle body Match porting intake and exhaust Air filter...
• Re: engine miss
  Historical mailing list - Eric Zeno
  Tue, 16 Dec 2003 09:54:07 -0500
  ...Sounds like a burn valve. Eric Peter Pollard wrote: >Hi all my name is Peter. I live in Australia and recently purchased a 92...
• Coolant Leak: heater
  Historical mailing list - Philip R. Hanlon
  Fri, 21 Feb 1997 22:54:40 -0600
  ...intake and outflow hoses, one can examine the fitting without spraying coolant. Any advice? The leak is on the far side of the valve...
• Re: Diagnosing a low (8-10 inches) vacuum gauge reading
  Historical mailing list - ROBERT DONALDS
  Sat, 7 Aug 2004 09:40:55 -0400
  ...hot and the compression cold then I would consider adjusting the intake valves to .006ths cold and testing the vacuum again hot. Bob Donalds...
• Re: Hydro lifters (# of turn)
  Historical mailing list - Stan Wilder
  Mon, 28 Jun 2004 10:19:53 -0500
  ...Various parts = Lifters, Rocker Arms, Valve Stems, Pushrods, valve seats. Check out .006 on a feeler gauge, it's about 1/2 as thick...
• Re: resealing heads - found missing metal on top of valves
  Historical mailing list - pdooley
  Tue, 23 Sep 2008 11:15:49 -0400
  ...of the intake valve tops. There are small areas of missing metal that looks like a coating of some sort. One valve (#4) has...
• Re: Compression test results for '84 Vanagon 1.9L with rebuilt right head
  Historical mailing list - John Lauterbach
  Tue, 27 Dec 2011 01:33:56 -0500
  ...The most common means for excessive oil is the intake valve guides. There should be valve stem seals on the intakes. Many shops leave...
• Re: Removing stuck O2 sensor-valve adjustment.
  Historical mailing list - Dennis Haynes
  Thu, 5 Feb 2015 19:55:14 -0500
  Early AMC heads were well known for early valve failures on both ends along with casting issues and bad machine work including incorrect dimensions...
• valves adjusted(sorta..) now a final VERY IMPORTANT question
  Historical mailing list - Paul Archibald
  Sun, 20 Apr 2003 12:59:33 -0700
  ...Yesterday I tighten all down until the adj screw just contacted teh actual valve and you cound see it just compress teh spring..I...
• Re: Hydraulic Lifter Adjustments
  Historical mailing list - Jonathan Poole
  Thu, 28 Jun 2007 09:55:42 -0400
  ...The exhaust valve, however was leaking a lot, > based on what was coming out the tailpipe, relative to the intake, and > it had no...
• Re: Adjusting Valves 78 Air Cooled
  Historical mailing list - Stan Wilder
  Sun, 2 Feb 2003 13:26:57 -0600
  ...I'm right with you that zero lash could probably burn the exhaust valves and render the intakes leaking. The van owner didn't...
• Improved fuel additive ZVW 239 003
  Historical mailing list - Subject: Improved fuel additive ZVW 239 003
  May 31, 1990
  ...Fuel without the proper additives can cause deposits to collect on fuel injectors, intake ports and valves. This build-up of deposits can cause...
• Re: Yucatan trip report (not mine)
  Historical mailing list - Scott Daniel - Turbovans
  Sun, 1 Mar 2009 16:30:51 -0800
  ...washer pump wires to the cold > start valve (an electric fuel spray valve in the intake plenum) and > supplied > pulses of gas to the...
• Re: Some Info & a Question
  Historical mailing list - Lawrence Johnson
  Sat, 13 Jul 2002 18:51:03 -0400
  ...Last night when I changed my > intake manifold gasket, I took off the injectors from the intake > manifold and loosened the manifold a bit...
• Re: Wheres Waldo (EGR or no EGR)
  Historical mailing list - Jake Beaulieu
  Sat, 6 Dec 2003 14:23:04 -0800
  ...When I acquired my 82 Westy the EGR filter had rusted away so the PO simply plugged the pipe going to the EGR valve...
• Re: Intermittent smoking and rough running.. Inline 4 conversion engine, long..
  Historical mailing list - Don Hanson
  Tue, 20 Mar 2007 21:26:02 -0400
  ...I know nothing about inline VW motors, so the hint about the valve guides and seals being 'weak' is a good clue. I already...
• Ratio rockers was (dyno results from Boston Bobs) or true confessions of a gear head
  Historical mailing list - Robert Donalds
  Sat, 23 Feb 2002 09:15:51 -0500
  ...I have spoken of this in the past as the reason not to use the ratio rockers to prevent intake valve guide wear. As...
• Newer updated list of PARTS FOR SALE
  Historical mailing list - mathew Bennett
  Wed, 23 Jul 2003 11:54:33 -0400
  ...15 *Heads with rocker arms and valves(have mild pitting on face)-(SOLD-waiting for check) *Valve covers (good shape)-(SOLD-waiting for check...
• Re: HELP!!!!! stuck idle!
  Historical mailing list - Keith & Lynn C.
  Mon, 8 May 2000 18:47:30 -0700
  Similar problem with my 81, turned out to be the decaration valve. Plugged the vacuum line until I got a new one. Keith Peter...
• Re: Residual Fuel Pressure: hold for 1 hour?
  Historical mailing list - Dennis Haynes
  Sun, 2 Mar 2014 19:12:13 -0500
  ...In the extreme this is a problem as the extra fuel washes oil off the cylinder walls and can even mess up intake valves...
• Re: Charcoal Cannister Purpose
  Historical mailing list - David Beierl
  Mon, 26 Oct 2009 21:31:31 -0400
  ...The other connection through a much smaller orifice to the throttle body only opens the vacuum valve to allow this when the throttle plate...
• Re: spark plug orientation affects performance?
  Historical mailing list - Dan Houg
  Wed, 3 Apr 1996 13:41:15 CST6CDT
  Sami Said: > I read somewhere that it may be advantageous to install spark plugs so > that their open end faces the intake valve. This...