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Page 14+: 60 results shown for Compression pressure.

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

• Re: Puzzling valves...
  Historical mailing list - Sam Scholten
  Thu, 8 Jan 2004 19:24:00 -0800
  ...was > compression but not very good. > I was wondering if the valve lifters got pumped up > and could not release to spring pressure at...
• Re: Engine power loss (need help)
  Historical mailing list - Mike Miller
  Thu, 17 Oct 2002 13:43:09 -0700
  ...If I rev the engine in park it > doesn't make the noise. > > > Diagnostics I have performed: > - Compression test on all cylinders (good) > - Removed...
• Re: Super high HC on smog test - help
  Historical mailing list - Dennis Haynes
  Thu, 28 Jun 2007 23:41:57 -0400
  ...Leak Down and compression. Ignition system condition, adjustments. Confirm all basic adjustments. Mixture screw only effects idle but if you can change the mixture...
• Re: Still running rich, now what
  Historical mailing list - Stuart MacMillan
  Mon, 21 Aug 2000 09:21:35 -0700
  ...If your a gambler, my money is on the fuel pressure regulator. Take a chance and skip the O2 sensor. High pressure or a...
• Re: Just one head?
  Historical mailing list - Mike Collum
  Sun, 21 Oct 2001 22:41:11 -0400
  John, Did you do a compression test before you removed the head? I think all VW boxer heads develop cracks between the valve seats...
• Re: New to the list
  Historical mailing list
  Wed, 13 Sep 1995 12:17:21 -0700
  ...new), the oil pressure is where it should be. So not a bad oil pump. (just so you know) Compression is 125 in the...
• T/S blown head gasket
  Historical mailing list - t obrien
  Wed, 15 Dec 1999 02:01:33 GMT
  ...what the previous symtoms were. This is what I do know: Compression test: Cold: 151,151,145,145 Hot: 151,151,155,155 No...
• Re: Vangon Fan Housing
  Historical mailing list - Dr. D.W. Carment
  Tue, 2 Aug 1994 12:48:11 -0400 (EDT)
  ...A mechanic also told me that an engine with worn main bearings will not produce high pressure even at cold startup. The flaps are...
• Re: Vanagon fuel requirement
  Historical mailing list - t bill
  Tue, 15 Sep 1998 14:01:50 -0700
  ...The higher the compression in gasoline engines, the > more pronounced it can be. That's why higher octane fuels have inhibitors to > actually slow...
• Re: Intake air flow, improvement possible?
  Historical mailing list - Bostig Engineering
  Sun, 28 Nov 2004 08:58:43 -0800
  > The only simple thing that will decrease the fuel consumption would be > to raise the compression ratio. > Al Brase Hi Al, Think about this...
• Re: Cooling System Pressure
  Historical mailing list - steve delasalle
  Wed, 15 Mar 2000 05:01:53 -0800
  ...is > > pressure build up in the > cooling > > system. > > > > This is do to the head > gasket at > the top of the cylinder > leaking > compression when...
• Re: Calculate fuel consumption when idling?
  Historical mailing list - neil N
  Sun, 25 Nov 2007 09:21:19 -0800
  ...Mean > sea > > level pressure is about 30'' Hg, so the plenum contains 19'' Hg of > > pressure, which is about the same as being at...
• Re: Here's one to rack your brains............
  Historical mailing list - kenneth d lewis
  Wed, 10 May 2000 13:09:15 EDT
  ...Towed it back, ran a pressure test on it, zero, so I >pulled >off the pressure relief valve, it fell out smoothly, and the...
• Re: Used Van Help: I bought the Van!
  Historical mailing list
  Tue, 1 Jul 2003 09:30:45 -0400
  ...On Waterboxers, this should also be done with the pressure cap removed to detect leakage into the cooling system. I just did a compression...
• Re: Callaway Vanagon quote And other words of wisdom!
  Historical mailing list - Angus Gordon
  Sun, 10 Nov 2013 20:00:11 -0800
  ...Cooling system pressure remains the same. Angus On Nov 10, 2013, at 7:20 PM, Don Hanson <dhanson928@GMAIL.COM> wrote: > There have not...
• Re: coolant overflow fears and thoughts
  Historical mailing list - Dennis Haynes
  Tue, 30 Apr 2013 22:06:23 -0400
  Coolant system-cap pressure testers are readily available. You will need an adapter for the VW cap. Yes quality is all over the place...
• Re: Torque spec that requires calibrated fingers
  Historical mailing list - Jim Felder
  Fri, 27 May 2011 10:32:48 -0500
  ...which allows a fellow > to mount a oil pressure gauge sender alongside the stock oil pressure > warning light sender has this to say about...
• Re: Transmission/Clutch problem?
  Historical mailing list - John Hawk
  Wed, 20 Feb 2002 10:22:15 -0600
  Could you tell if the engine turned over a little? Some times the vehicle will move a little and then stop when compression builds...
• Re: engine issues
  Historical mailing list - Dave Mari
  Thu, 31 Dec 2009 09:15:56 -0800
  ...I lost engine compression about 30 miles back into my return trip...I looked underneath and saw the oil pressure gauge thingy hanging by...
• Re: The root of all bubbles, low compression and evil itself? 1.9 head off...
  Historical mailing list - David
  Fri, 10 Feb 2017 01:18:45 +0000
  ...Maybe not really loose > but for some reason the head studs failed to maintain adequate tension on > the heads due to combustion pressures or...
• Re: Add-on Oil Coolers
  Historical mailing list
  Sun, 14 May 1995 12:19:57 -0700
  ...For now, I have to keep a close >watch on the pressure and temp and back off when it starts to run hot, but...
• Re: off with her heads
  Historical mailing list - Jim Felder
  Thu, 24 Oct 2013 15:43:13 -0500
  ...compression back up by adding racing >> lash >> caps. I recall asking him about the leak down, and got back 'fine', and >> 'it holds pressure...
• FW: Coolant Tank Issues
  Historical mailing list - Dennis Haynes
  Tue, 7 May 2013 11:37:54 -0400
  ...A leak down test with full pressure applied to the cylinders may give some indication blowing out through the cooling system. The loose head...
• Re: keeps blowin' fuses
  Historical mailing list - Doktor Tim
  Sat, 21 Jun 2003 11:32:35 -0700
  ...Typical of these diesels to drop both compression and fuel pressure over the course of life. But of a certainty, verify start of delivery...
• Re: 4th heater core burst in 1 year!
  Historical mailing list - Paul Cavanaugh
  Fri, 29 Jun 2001 07:41:42 -0400
  ...The rear heater core may be a weak point for high pressure, as 4 of these have gone in a year. Will start with...
• Re: Loss of power at altitude
  Historical mailing list - Aaron Reams
  Mon, 11 Mar 2002 18:50:18 -0800
  ...I realize atmospheric pressure and oxygen content play a big role in compression, but I should of pointed out that this was IMHO an...
• Re: New member
  Historical mailing list - Christopher Gronski
  Wed, 28 Mar 2007 09:27:11 -0400
  ...What Is the > highest compression I could expect for my 1.9L? > Wayne >
• Re: Double checking my stumbling problem
  Historical mailing list - Scott Daniel - Turbovans
  Sun, 5 Aug 2012 11:57:32 -0700
  Condider also the fuel pressure regulator. I seldom find a bad one, and once in a while I do. it 'could' be your fuel...
• Re: New Engine Wanted: 85 Vanagon
  Historical mailing list - Scott Daniel - Turbovans
  Thu, 10 May 2012 19:41:42 -0700
  ...Unusual noises or smoking. >> 2) Oil pressure cold and hot, idle and at speed. >> 3) Cylinder compression-leak down test. >> 4) Valve lift (cam...
• Re: DJ-code WBX technical specs
  Historical mailing list - Scott Daniel - Turbovans
  Sat, 20 Dec 2008 11:14:37 -0800
  ...hydraulic > compression: 11 - 14 bar (150 psi - 195 psi) > oil pressure: 2 bar @ 2000 rpm @ 80C/176F > > Lubricants and capacities > > engine oil: 10w30 (sf...
• Re: Coolant Overpressurization / Head Gasket Leak
  Historical mailing list - Scott Daniel - Turbovans
  Wed, 13 Feb 2013 15:10:19 -0800
  ...I then >> pulled the low compression head part way off. it didn't look that bad, >> there actually was minimal corrosion underneath the outer...
• Re: Coolant problems
  Historical mailing list - Robert Steven Fish
  Sun, 28 Sep 2003 18:26:10 +0200
  ...I would do a compression test on the cylinders, and check if one has low compression.. this can tell you if the cooling system...
• Re: High Altitude Problems -'90 WBX
  Historical mailing list - Dennis Haynes
  Wed, 5 Sep 2001 22:46:48 -0400
  ...This is due to the loss of cylinder charge, compression, and O2. Yes, at 12,000 feet you will lose 36% of your engine...
• Re: Vanagon? Really? Gasoline vs. Diesel
  Historical mailing list - Dennis Haynes
  Wed, 23 Nov 2011 00:57:19 -0500
  ...Due to high compression ratios and the excess air, diesels make a lot of NOx. An awful lot. This is a primary contributor to...
• '89 Vanagon Not Starting
  Historical mailing list - Sunshine
  Mon, 15 Dec 2008 15:05:25 -0600
  ...There is voltage and compression, just no start. I had her towed to a friend of the family's house who works on american...
• Re: [Syncro] SyncroBeast - update, still not starting
  Historical mailing list - EMZ
  Mon, 12 Feb 2001 23:12:49 -0500
  ...3 - compression, pull the plugs and check with a gauge. good luck Eric 86-VW4x4 vw4x4@fyi.net 86-SS Syncro Pittsburgh, PA USA...
• Re: off with her heads
  Historical mailing list - Scott Daniel
  Thu, 24 Oct 2013 14:02:40 -0700
  ...compression back up by adding racing >>> lash >>> caps. I recall asking him about the leak down, and got back 'fine', and >>> 'it holds pressure...
• Re: Coolant going from expansion into refill tank and overflowing refill tank
  Historical mailing list - Tom Miller
  Wed, 26 Jan 2005 12:32:49 -0500
  ...I watched the pressure when I started the > engine. It didn't soar immediately. A compression test shows > > Cyl # Jan 2004 Jan 2005 > 1...
• Home engine repair happenings: Latest news and last fix-its.
  Historical mailing list - Brian Cochran
  Mon, 19 Mar 2001 07:41:42 -0800
  Hello Everyone out there in vanagon land, For those of you that have been following my adventures into the world of low oil pressure...
• Re: waterboxer pinging
  Historical mailing list - Richard A Jones
  Thu, 17 Sep 2009 14:37:03 -0600
  ...Air pressure is inverse to altitude, so lower at higher altitudes. That effectively lowers the compression ratio of the engine. Hence, lower octane requirements...
• Re: No fuel pressure options?
  Historical mailing list - Scott Daniel
  Thu, 31 Oct 2013 14:00:53 -0700
  ...Try it sometime with a fuel pressure gauge connected where you can watch it while you pre-run the pump with key. if the...
• Re: DJ-code WBX technical specs
  Historical mailing list - Scott Daniel - Turbovans
  Sat, 20 Dec 2008 14:20:28 -0800
  ...hydraulic compression: 11 - 14 bar (150 psi - 195 psi) oil pressure: 2 bar @ 2000 rpm @ 80C/176F Lubricants and capacities engine oil: 10w30 (sf...
• Re: nuts vs head gasket job
  Historical mailing list - OlRivrRat
  Wed, 4 Sep 2013 22:42:48 -0600
  ...I need to make a cap tester > and/or > run the van with a pressure gauge on the expansion tank when the van > is...
• Re: tired 1.9l question
  Historical mailing list - Paul Guzyk
  Thu, 23 Jun 2005 07:43:32 -0700
  ...any gunk inside the engine which will help maintain oil pressure. >Cylinder 4: Compression 115, leakdown 40% >3: 155, 30% >2: 145, 50% >1...
• Re: oil for turbo diesel
  Historical mailing list - Michael Snow
  Sun, 8 Apr 2001 20:49:25 -0700
  ...If not, it's time for a compression check. There will always be a little bit of ring blow-by that causes crankcase pressure...
• Re: Leak Down Testing
  Historical mailing list - Jerry
  Sun, 31 Dec 2006 12:57:59 -0600
  ...You should also run a a compression test first to decipher any pre air test problems !!! Average good compression tis 150 to 170 lbs
• Re: valve adj.: lower compression, valve train noise remains
  Historical mailing list - Stuart MacMillan
  Sun, 20 May 2012 11:45:51 -0700
  ...I think varnish build up in the oil hole in the side of the lifter coupled with low oil pressure is the culprit. I...
• possible gasses in coolant system?
  Historical mailing list - Gary Peebles
  Fri, 10 May 2013 17:19:52 -0700
  ...and the coolant pressure never got above 12psi. The right head, that had new gaskets put on it last summer compression tested to 120...
• Re: Engine Advice Needed-Valve lifters and adjusters.
  Historical mailing list - Dennis Haynes
  Mon, 26 May 2014 08:40:16 -0400
  ...Then compression > test that cyl again. > > At this point I would pull the 1 plug, test the compression again to > get a new base...
• Re: Oil buzzer
  Historical mailing list - Dennis Haynes
  Wed, 6 Apr 2016 22:00:50 -0400
  ...Ultimately a good engine install would include oil pressure testing cold through hot and ten a compression-leak down test to establish the baseline...
• Re: COLD START PROBLEM!!!!!!!!! anyone!!!!!
  Historical mailing list - Dennis Haynes
  Mon, 1 Aug 2005 22:28:46 -0400
  ...fuel >pressure is ok.... > >Compression: ok > >Help > >Ben >http://www.benplace.com/ > > > > > >
• Re: Sluggish
  Historical mailing list - Chris Smith
  Wed, 9 Aug 2000 10:11:43 -0500
  ...no advance means really poor performance Fuel Pump Pressure restricted fuel filter low tire pressure (a long shot) something stuck under the gas pedal...
• Odd & strange vanagon stuff that i see
  Historical mailing list - Benny boy
  Wed, 24 May 2006 11:19:06 -0400
  ...So this is a new possibility for bad conbustion, coolant-oil mix, low compression, high pressure in the cooling system. maybe some of you...
• Re: Low compression, more test results-busaid inying used vans! Traveling far from home!
  Historical mailing list - Dennis Haynes
  Sun, 9 Sep 2012 15:49:25 -0400
  ...Low compression, more test results-busaid inying used vans! So the WBX isn't that much, or at all, different than most engines. Good...
• Re: Pre-loading Rear Springs re Syncro Suspension
  Historical mailing list - Steven X. Schwenk
  Mon, 22 Jun 1998 10:08:17 -0700
  ...will increase the pressure exerted by the spring because it will be > in a more dense state because of compression. This would cause lift...
• Re: 2.1 wbxer stubblin' idle
  Historical mailing list - dylan friedman
  Tue, 4 Aug 2009 16:12:17 -0700
  ...a difference.� Definitive test is, of course, to measure the back pressure upstream from the cat which any muffler shop can do. Could be...
• Re: Purpose of the ports on this AC hose?
  Historical mailing list - Gregg Carlen
  Tue, 24 Jul 2012 18:00:45 -0400
  ...pressure sensors, or, if there some > other purpose that these do? > > Seems like its nothing more than a 8" tube with a compression fitting...
• Re: off with her heads
  Historical mailing list - Angus Gordon
  Thu, 24 Oct 2013 13:40:07 -0700
  ...compression back up by adding racing >> lash >> caps. I recall asking him about the leak down, and got back 'fine', and >> 'it holds pressure...
• Re: 1`985 Vanagon GL
  Historical mailing list - Dennis Haynes
  Thu, 9 Nov 2006 06:54:06 -0500
  ...Next would be compression/leak down test. A bad intake valve can cause all sorts of grief. Dennis -----Original Message----- From: Vanagon Mailing List...
• Re: '82 diesel cooling problem
  Historical mailing list - Bill/Lisa Protzek
  Sat, 22 Jun 1996 18:22:24 -0700
  ...Does that sound like the problem? Obviously, the > pressure had built up. Perhaps a clogged radiator? I need Advice! > Does anyone know whether the...