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Page 19+: 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: White smoke on startup, running rich?
Historical mailing list - Bruce Nadig
Sun, 12 Feb 2006 10:58:30 -0800
...On the other hand, perhaps you aren't running the right tires, or your tire pressure is off. Your answer lies somewhere in this...
'86 still plagued! (was rich running)
Historical mailing list - Tony Moore
Thu, 3 Jul 1997 13:59:40 -0400
...6) checked for vacuum leaks 7) checked fuel pressure I'll be checking engine compression next to make sure. I may have forgot to...
Re: scratch on heads mating surface for cylinders
Historical mailing list - David Kao
Sat, 21 Jul 2007 12:41:47 -0700
...are high and the pressure cycles are > 1000s of times per minute. Plenty of waterboxers pass the static > compression and leakdown tests but can...
Re: Van stopped running
Historical mailing list - Dennis Haynes
Tue, 30 Apr 2013 22:06:53 -0400
...Does it turn over and have compression? Does it have spark while turning? Does it have fuel? The right amount? A warm engine can...
Re: coolant overflow fears and thoughts
Historical mailing list - Tom Carchrae
Thu, 9 May 2013 10:08:11 -0700
...I know > it holds > pressure (loosened it while warm!), and I know it can let > fluid/air in/out. > > > Yes, pressure caps are cheap...
Re: Lifter adjustment VOODOO
Historical mailing list - Mark Drillock
Wed, 30 Apr 2008 10:54:32 -0700
...the valve and then compression can be low or even zero. Wait some hours or days and the constant pressure from the valve spring...
Re: Engine woes - what to do?
Historical mailing list - Stuart MacMillan
Mon, 23 Dec 2013 16:01:15 -0800
Also check your oil pressure, and get an oil analysis. That will tell you the condition of the bottom half. According to Dennis, wear...
Update: Bad Valve Issues/Question, Opinion sought.
Historical mailing list - Jeff Strickrott
Fri, 27 Sep 2002 22:55:16 -0400
...But I will look for leaks on the injectors and monitor the fuel pressure when the engine has sat hot to see if these...
running rich--> Solved!?
Historical mailing list - Matthew Pollard
Thu, 7 Sep 2000 11:27:59 -0700
...Email me if you have questions! Cheers matthew ps, i'm going to slap in the 'new' pressure regulator too just for good karma...
Re: Why Bigger Brakes Was Cause of brake rotor warping
Historical mailing list - Dennis Haynes
Sat, 14 Sep 2013 19:36:59 -0400
...What jake brakes (more generically termed engine brakes or compression brakes) do is release the air before compression, preventing the accelerator effect, thus conserving...
Re: NVC-Was: Driving on Air
Historical mailing list - Jim Felder
Sun, 9 Nov 2008 19:31:40 -0600
...the pressure runs >> lower they are using fuel to run a heater to raise the temperature of >> the air to raise its compression. The...
Re: '90 MV running lean at 2500rpm
Historical mailing list - Larry Alofs
Wed, 20 Nov 2013 07:55:14 -0500
...my very competent but stumped mechanic: > Compression test - 135 - 155. > Coil/spark plug resistance test. > Fuel pressure test at test tab - idle - 32. under...
Re: Water Pump
Historical mailing list - Scott Daniel - Turbovans
Sat, 1 Dec 2012 18:54:15 -0800
...to the 'just right' degree of compression I'm sure and work very nicely. but a few years later ... the o-ring gets hard...
Re: Update: Bad Valve Issues/Question, Opinion sought.
Historical mailing list - Stan Wilder
Sun, 29 Sep 2002 22:49:53 -0500
...I > redid the compression check today with a better compression gauge > (old > one had a leaky valve) and observed the following: > > #1 130-140...
Re: Best way to judge life left in Waterboxer?
Historical mailing list - Richard Koerner
Wed, 9 May 2012 11:34:32 -0700
...a compression test, what will you do if it's low (and it will be)?� The death signal is when the oil pressure light...
Re: vanagon Digest - 28 Apr 2013 to 30 Apr 2013 - Special issue (#2013-134)
Historical mailing list - TJ Hemrick
Wed, 1 May 2013 00:57:03 -0400
...Does it turn over and have compression? Does it have spark while turning? Does it have fuel? The right amount? A warm engine can...
Friday: New VW Engine--it's Miller (cycle) time
Historical mailing list - Jim Felder
Fri, 29 Apr 2016 15:39:38 +0000
...An increase in the geometric compression ratio has, according to VW, allowed for improved efficiency in the load range most customers will actually use...
Re: [Fwd: Intake manifold vacuum?]
Historical mailing list - Peter Zendzian
Mon, 24 Aug 1998 21:29:54 -1000
...I did all this and came up with the same compression that I had before the rebuild. 1-90,2-150,3-85,4...
Re: nuts vs head gasket job
Historical mailing list - Tom Carchrae
Thu, 5 Sep 2013 04:34:46 -0700
...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: Power & MPG Summer/Winter
Historical mailing list - Dennis Haynes
Tue, 10 Nov 2015 20:57:40 -0500
...It's showing an oil pressure fault that appears to be a sensor system malfunction rather than a problem with the engine. Hope to...
Re: off with her heads
Historical mailing list - Scott Daniel
Thu, 24 Oct 2013 14:09:42 -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: Definitive test for Hall > ECU?
Historical mailing list - Ken Wilford
Tue, 30 Oct 2007 07:21:50 -0400
...If the valves adjustment is too tight this can cause low manifold pressure (vacuum) and idling problems. A compression test would help in this...
Re: Power & MPG Summer/Winter
Historical mailing list - Stuart MacMillan
Tue, 10 Nov 2015 17:05:50 -0800
...At a minimum, do a proper compression test and an oil analysis (www.blackstone-labs.com). The oil analysis will show bearing and cylinder...
Re: 1986 Erratic running below 3000 rpm/rough idle
Historical mailing list - Peter Zendzian
Sun, 21 Jun 1998 21:20:49 -1000
Check your compression, had the same problem after rebuilding, turned out that my rings weren't staggered properly and had a similar problem. I...
Re: Sputtering still !!!!!
Historical mailing list - Anders Lundin
Wed, 10 Sep 2003 07:14:42 +0200
...Blue smoke is oil, white smoke is water - I don't know what black smoke means! I'd run a compression check too. > > > > > --- On...
Re: what steps can be taken to diagnose head gasket problems?
Historical mailing list - Peter
Mon, 31 Jan 2005 15:47:54 -0800
...What should I ask him to look for? > My thoughts: > -Compression Test > -Leak-down Test > -Cooling system pressure Test > -Visual inspection(of what?) > > The...
FS: 2.1L engine from 1987 Syncro
Historical mailing list - MilosKitchen
Mon, 2 May 2005 13:04:42 -0400
...It is running Castrol 20W-50 and a Mann filter, I never got any low oil pressure warnings. Engine comes with complete digifant wiring...
Re: Start up,back fire? Injector pulses per mile
Historical mailing list - Dennis Haynes
Wed, 20 May 2015 19:32:34 -0400
...The compression washer on the > plug was not compressed and was on an angle with dirt between the > washer and plug. Could this have...
Re: Oil Pressure Light on-need help! (dealer cant fix it)
Historical mailing list - Michael Sullivan
Fri, 4 Apr 2008 19:48:31 -0500
...engine- dealer check compression/head leaks/oil > > pressure- all check out perfect > > - The dealer has done the following: replaced oil pressure sending > > unit, > > pulled...
Re: Engine running badly
Historical mailing list - Neil N
Sun, 1 Oct 2017 15:06:49 -0700
...The other possible cause is a bad hose between fuel pressure regulator and intake plenum. (hose has a vacuum leak) If you're seeing...
Re: Expanshion Tank cap
Historical mailing list - John Rodgers
Mon, 28 Oct 2002 08:59:02 -0600
...There is no pressure on that hose as coolant leaves the cap going to the overflow tank so a leak wouldn't show up...
Re: Billy Bones' never ending story
Historical mailing list - Dennis Haynes
Sat, 13 Mar 2004 10:27:16 -0500
...Compression, based upon my Sears Actron > > compression tester is 125, 130, 130, and 135. > > Those numbers are with all of the plugs > > removed and...
Re: 1984 Volkswagen Vanagon Eats Water Pumps
Historical mailing list
Wed, 4 Sep 1996 20:57:39 -0400
...the engine thoroughly(compression,scope,co% etc.then check the coolant w/ a color dip indicator(for exhaust gases) or pressure tester, or have...
FS: Enhanced 1988 Wolfsburg
Historical mailing list - Robert Lilley
Mon, 15 Sep 2008 21:16:35 -0400
...like the factory clamps because they put uniform pressure on the hoses and provide constant compression as the hoses age over time, screw type...
FS: 1.9L wasserboxer with warranty!
Historical mailing list - David Marshall
Sun, 6 Jun 1999 22:06:21 -0700
...headers, muffler, flywheel - basically complete with the exception of the clutch, pressure plate, catalitic converter and alternator. The 84 Westfalia that it came out...
Re: NVC-Was: Driving on Air
Historical mailing list - John Rodgers
Sun, 9 Nov 2008 20:45:40 -0600
...the pressure runs >> lower they are using fuel to run a heater to raise the temperature of >> the air to raise its compression. The...
Re: pissing and moaning coolant
Historical mailing list - zampano
Thu, 29 May 2003 19:38:34 -0700
...I would also wonder why there's pressure on a cold coolant system, and why my expansion tank fills up, but never drains back...
Re: interesting lifter thinking?? 1.9L still a problem child (update)
Historical mailing list - ROBERT DONALDS
Wed, 14 Sep 2005 10:47:58 -0400
Fellow vanagon types The oil pressure relief bypass in most 2.0 air-cooled and in all WBX engine feeds right back into the...
Re: Torque spec that requires calibrated fingers
Historical mailing list - Karl Wolz
Fri, 27 May 2011 09:38:22 -0700
...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: Wrap Up: Oil mess on rear hatch after high speed run on freeway
Historical mailing list - Ray Hunnam
Wed, 12 Jul 2000 11:19:11 +1000
...My case there was compression in the crankcase. Caused by gasses being blown by the rings. When checking the engine I noticed the rubber...
Re: oil pressure gauge and temp gauge
Historical mailing list
Tue, 19 May 2020 20:35:02 +0000
...oil pressure gauge and temp gauge Here is my take on the oil pressure gauge situation. You are driving down the road. You have...
Re: Vanagon? Really? Gasoline vs. Diesel-again.
Historical mailing list - Dave Mcneely
Sun, 22 Jan 2012 12:50:11 -0600
...Due to > > high compression ratios and the excess air, diesels make a lot of NOx. An > > awful lot. This is a primary contributor to...
87 Vanagon GL oil spray problem
Historical mailing list - Jason Kirk
Wed, 28 Apr 2004 09:03:45 -0700
...The next day the van stalled after what seemed like a dramatic decrease in oil pressure or compression while going up a slight incline...
Re: Torque spec that requires calibrated fingers
Historical mailing list - Zeitgeist
Fri, 27 May 2011 09:04:23 -0700
...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: Check rods or just top end?
Historical mailing list - Dennis Haynes
Sat, 29 Oct 2005 17:17:29 -0400
...If the inside of the engine is clean, oil pressure and compression good, then a gasket set can buy a number of years. Yes...
Re: Grey oily spots on rear hatch
Historical mailing list - Anthony Egeln
Sat, 14 Jan 2012 13:01:55 -0800
...re pump pressure ... pump guru's will know more about that .. and ...a 1.6 TD pump and injectors run at a higher pressure...
Re: 2.5L 120HP waterboxer.....that runs on 91 octane......90mm stroke by 94mm bore....and pases smog...hmmm?
Historical mailing list - Bob Stevens
Fri, 15 Mar 2002 22:45:56 -0700
...SENDERS, 212 BREATHER LINES STAINLESS 115 AUTO METER GUAGES OIL TEMP & PRESSURE 100 BALANCING CRANK &RODS, PISTONS, FLYWHEEL AND CLUTCH 110 STOCK STUDS VW...
My Turbo Audi 2.0 Project (not short)
Historical mailing list - Frank Grunthaner
Wed, 20 Jun 2001 05:24:17 EDT
...Adjustable fuel pressure regulator with vacuum and boost referenced to dial in the proper pressure. Custom exhaust manifold with T-3 flange pointing down...
Re: Coolant Mystery positive update
Historical mailing list - Neil N
Wed, 20 Jul 2016 17:38:20 -0700
...With helpful list input in mind, I'm pretty sure excess pressure in coolong system due t a compression leak at engine, is damaging...
Re: 2000 rpm buzzer of oil pressure Here is the link for that "New Engine"
Historical mailing list - mccullough bob
Thu, 20 Jun 2019 08:24:06 -0500
...The correct high speed-pressure oil pressure switch should close at ~.9 bar, 12.7 psi. This is not a fix unless the spring...
Re: Roadhaus - Need an Engine
Historical mailing list - Mark Tuovinen
Wed, 5 May 2004 11:23:37 -0700
...Good thing your not stuck in the woods > > Now the tech question: > -Is the cylinder gone (broken) > -Take compression, come back to us > -can...
Re: oil all over rear hatch?
Historical mailing list - Max Wellhouse
Fri, 23 Jun 2006 17:55:44 -0500
...My symptoms over the years were pretty much an oily dipstick area and I'm now thinking that I had excessive crankcase pressure somehow...
Re: Best way to judge life left in Waterboxer?
Historical mailing list - Jeff Schwaia
Wed, 9 May 2012 12:27:37 -0700
...a compression test, > what will you do if it's low (and it will be)? The death signal is > when the oil pressure light...
Re: Oil analysis on worn engine
Historical mailing list - Tom Hargrave
Wed, 5 Jun 2013 17:48:03 -0500
...No surprise with the low compression in two cylinders. Iron could be from a worn cam and lifters as well as cylinders and rings...
87 Syncro cooling sys. problem
Historical mailing list - ERIC ZENO
Tue, 9 Jul 1996 07:41:52 -0400 (EDT)
...I release some of the pressure and the engine cools down if I drive at lower rpm, say 3000. The temp rises again when...
Re: COLD START PROBLEM!!!!!!!!! anyone!!!!!
Historical mailing list - Dennis Haynes
Mon, 1 Aug 2005 22:46:50 -0400
...I feel that i have a fuel pressure ploblem... but am not sure... fuel pressure is ok.... Compression: ok Help Ben http://www.benplace...
Re: Made the mistake of checking compression
Historical mailing list - Stuart MacMillan
Wed, 5 Sep 2012 23:02:06 -0700
...Worn bearings will often show up as low oil pressure. If the low compression is due to ring or valve damage then you have...
Re: off with her heads
Historical mailing list - Dennis Haynes
Thu, 24 Oct 2013 01:50:05 -0400
...At the point that compression test was taken that engine should have been taken out of service and further evaluated. All the cylinders are...
Re: How does a leak down tester work???
Historical mailing list - Don Deitke
Wed, 26 Jan 2005 12:11:20 EST
...You should also run a a compression test first to decipher any pre air test problems !!! Average good compression tis 150 to 170 lbs...
home engine repair ongoings: I'm relaxed now, having spoke to bob.
Historical mailing list - Brian Cochran
Wed, 7 Mar 2001 10:01:27 -0800
...As described in my letter, after about 10 minute of coolant flush and a short drive, the oil pressure dropped into the 25-35...