Skip to main content
Gerry | Vanagon
Checking account...
← vanagon.com home · Continue the discussion in the forum
VanagonEuroVan

Search messages and discussions

Clear search

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 3+: 60 results shown for Viscosity.

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

  • Oil Pressure Warning Buzzer
    Historical mailing list - John Iseman
    Tue, 22 Aug 2000 10:53:03 EDT
    ...It appears that the system is quite system to changes in viscosity. These are my observations for what they are worth. JIseman457@aol.com
  • Re: Fwd: '87 Westy - Oil Change, out of hibernation
    Historical mailing list - neil n
    Mon, 25 Mar 2013 10:51:21 -0700
    ...The web shows use of multi viscosity oils up to 40W for this 2.0 in a Jetta, but since this engine works harder...
  • Re: manual tranny fluid
    Historical mailing list - John Rodgers
    Mon, 15 Mar 2004 22:40:03 -0600
    ...It would surprise me if there is a viscosity problem with the MT90, as it's viscosity range is very stable even with substantial...
  • Re: Draining/refilling oil of the Vanagons transaxle?
    Historical mailing list - Mike S
    Sun, 26 Aug 2007 20:49:00 -0400
    ...BTW, 90 weight _gear oil_ is about the same viscosity as 40 weight _engine_ oil. SAE J300 and J306 are the specifications. 90 gear...
  • Re: <Syncro> viscous coupling fluid
    Historical mailing list
    Fri, 7 Feb 1997 21:34:00 -0500 (EST)
    ...The Syncro coupling fluid (just as you are thinking) is normally at a low viscosity and when shearing action occurs, rapidly heats and becomes...
  • Re: Mixing oils with different weights.
    Historical mailing list - Tom Hargrave
    Fri, 20 May 2011 16:29:57 -0500
    ...To guarantee that anything will mix with anything they all have to be using the same basic additive packages and this includes the viscosity...
  • Re: colder than cold
    Historical mailing list - Bulley
    Mon, 17 Jan 2000 16:42:22 -0500
    You better check the viscosity of oil you are using. For cold temperatures, you may need to run very light viscosity (5W30, or straight...
  • Re: type of oil and washer
    Historical mailing list - Jay L Snyder
    Fri, 14 Sep 2001 12:38:32 -0400
    ...It was introduced as a gas saving viscosity. I run 20-50 all year here in Delaware and have had no problem starting in...
  • Re: Additives and Oil
    Historical mailing list - Dave Kautz
    Wed, 16 Nov 94 10:28:55 PST
    ...My take on oil, based on what I've read, is that the viscosity should be chosen according to the outside temperature at which...
  • Re: Oil Viscosity Recommendations
    Historical mailing list - Chris Stann
    Wed, 19 Jul 2000 14:05:45 -0500
    ...Oil Viscosity Recommendations 10w/40 is fine for a new or low mileage engine, but as the 2.1 ages you need a higher...
  • Re: Flickerin oil light on 85 auto
    Historical mailing list - Richmond Mike
    Mon, 1 Apr 2002 15:05:08 -0500
    ...Can anyone suggest a particular oil and or viscosity for use during the hot summer months? Thanks! _________________________________________________________________ MSN Photos is the easiest way to...
  • What oil to use?
    Historical mailing list - Granola
    Fri, 18 Jun 1999 04:56:02 -0500
    ...What's your opinion on the brands, and the viscosity? I live in TX, so extreme cold is not really a factor. Thanks for...
  • thicker oil viscosity question
    Historical mailing list - Tim & Kim Dayton
    Wed, 10 Apr 2002 16:44:23 -0400
    this issue may have been beat to death in the past, however I need to revive it for just a moment. I was given...
  • Re: Mobile1 15/50
    Historical mailing list - Max Wellhouse
    Tue, 6 Feb 2007 13:53:09 -0600
    ...The viscosity ratings work as follows. The lower >number is the viscosity at 40C. The upper number is the viscosity at >100C. There can...
  • Synthetic Oil
    Historical mailing list - Tom Boldway
    Sun, 29 Jan 2006 20:41:35 +0000
    ...Synthetic Oil Conversion, What is the best Easy Access Brand, and Viscosity? I know you have heard this before, but I have to ask...
  • Re: Oil Temperature??
    Historical mailing list - Stuart MacMillan
    Fri, 25 Sep 2015 19:21:57 -0700
    ...A good cooler increases viscosity. It's all about kinetic and dynamic viscosity. For more than you likely care to know, see http://www...
  • Re: Report on the cause of death, my 1.9 TD Vanagon
    Historical mailing list - Steve Schwenk
    Mon, 12 Jul 1999 20:55:24 -0700
    ...Bearing / > bushing wear indicated." > > In the 'physical data' section, the viscosity of the oil at 100 degrees C is > 63.1(!!), water by volume...
  • Re: <Syncro> VC #2
    Historical mailing list
    Wed, 19 Feb 1997 09:02:29 -0400 (AST)
    ...3M doesn't show anything promising (got viscosity faxes), Dow is sending articles on VC/diffs via snail. One lister indicated VW holds the...
  • why you're seeing a difference in temperature
    Historical mailing list - gary hradek
    Tue, 27 Apr 2004 09:01:59 -0700
    ...The viscosity of water is was makes this happen. Glycol is a thicker like sugar, higher viscosity means more friction. Much slower, much much...
  • Re: Choice of Oil
    Historical mailing list - Dennis Haynes
    Mon, 7 Feb 2005 22:01:57 -0500
    Multi-Viscosity oils have been around since the 70's. The better one's have it right. Especially the synthetics as they do not...
  • Re: Fwd: '87 Westy - Oil Change, out of hibernation
    Historical mailing list - Scott Daniel - Turbovans
    Mon, 25 Mar 2013 11:50:28 -0700
    ...temps cooler > than 0� C. > > The web shows use of multi viscosity oils up to 40W for this 2.0 in a > Jetta, but...
  • Re: AA Transaxle: Happy! Relevant Info, Long.
    Historical mailing list - Dennis Haynes
    Sat, 21 Jun 2014 10:17:56 -0400
    ...For those that do a lot of high speed driving or have bigger engines attention to viscosity is also important. Many synthetic lubricants tend...
  • Re: 5W30 Oil --- is it OK???
    Historical mailing list - Larry Hamm
    Thu, 24 Jun 1999 12:01:16 -0600
    ...The summer heat and the Vanagon's oil pressure warning system both indicate the need for higher viscosity. 10-40 should do it unless...
  • Re: Questions about Diesels
    Historical mailing list - Horace K. Sawyer
    Mon, 19 Jun 2000 14:27:07 -0400
    If you are having oil >viscosity problems (too thick) I would consider oil analysis. It is more >likely to be soot than sludge. If...
  • Re: Loud Ticking In engine after sitting for 3 months
    Historical mailing list - Mike Collum
    Tue, 20 Dec 2005 09:35:04 -0500
    ...In that when it's cold the engine sees the lower number as the viscosity and when it's warmed up it sees the...
  • Re: Oil Suggestions
    Historical mailing list - Jerry
    Sun, 1 Mar 2009 23:38:04 -0600
    ...You want to choose an oil with a high viscosity index (VI). For engine "break in" you should choose an oil with zinc. I...
  • Re: Which is better, synthetic oil or conventional oil? from the AAA website
    Historical mailing list - David Brodbeck
    Wed, 2 Jun 2004 19:48:19 -0400
    ...Is it dirtiness, or viscosity change that requires dino oil to be changed as frequently as it does? I've heard both claimed, in...
  • Re: Fwd: '87 Westy - Oil Change, out of hibernation
    Historical mailing list - Dennis Haynes
    Thu, 14 Mar 2013 00:40:33 -0400
    ...These engines need higher viscosity oils. For fast drivers including me additional oil coolers are very valuable. Outside temperature has little effect on oil...
  • Re: Flickerin oil light on 85 auto
    Historical mailing list - Malcolm Stebbins
    Mon, 1 Apr 2002 16:20:48 -0400
    ...Malcolm On 1 Apr 2002 at 15:05, Richmond Mike wrote: > Can anyone suggest a particular oil and or viscosity for use during > the...
  • Re: Tranny fluid (was Re: infected files, Linux gets more viruses?)
    Historical mailing list - David Brodbeck
    Fri, 26 Sep 2003 09:04:02 -0400
    ...I've heard this stuff loses viscosity over time because the gear teeth chop up the long-chain molecules.
  • Re: winter oil
    Historical mailing list - Bradley Flubacher
    Mon, 6 Nov 2000 22:01:16 -0500
    ...They require less addition of polymers to gain an acceptable spread of viscosity.. Brad -----Original Message----- From: 1980 VW Westfalia "Pokey" [mailto:pokey@vanagon...
  • Oil filters; was:Re: Disappearing Coolant - Head Lean?
    Historical mailing list - Al and Sue Brase
    Wed, 15 Sep 2004 02:00:14 -0500
    ...down sooner, the real problem is that multi viscosity oils tend to >break down in viscosity much faster than straight oils. > > VW even recommends...
  • Re: Yankee oil viscosity for 2.1?
    Historical mailing list - Bob Stevens
    Thu, 30 Jan 2003 09:42:54 -0700
    I used that (5W50-Castrol) in my '91 Westy 2wd for three winters here in Salt Lake. Switched to 15W50 in the summer. Very...
  • Re: oils and gasoline
    Historical mailing list - Stuart MacMillan
    Wed, 29 May 2013 09:26:24 -0700
    ...Regarding synthetic oils and viscosity, the SAE rating is "effective viscosity," not physical viscosity. A 15w-50 synthetic oil is physically thinner than a...
  • Oil recommendations simplified
    Historical mailing list - Dennis Haynes
    Sun, 4 Dec 2011 10:43:04 -0500
    ...The other consideration is that the multi-range oils of the day did not maintain viscosity well and often were not even stable. The...
  • Re: What power steering fluid to use?
    Historical mailing list - Dennis Haynes
    Tue, 15 Feb 2011 01:03:56 -0500
    ...vanagon@GERRY.VANAGON.COM > > All the Dexron fluids are basically the same viscosity. The later ones are > performance-stability improvements and friction modifier characteristics...
  • Re: TDI or not--Oil Question
    Historical mailing list - Dennis Haynes
    Thu, 22 Jan 2004 19:25:32 -0500
    ...These ratings indicate the oils ability to handle soot without changing the Viscosity. CF, CH oil without the -4 are considered adequate only for...
  • Re: 83 Westy update
    Historical mailing list
    Sun, 6 Jul 1997 22:37:11 -0700
    When an oil is rated 15w-50, the first number is the viscosity that it acts like when cold, and the second is what...
  • Re: winter oil
    Historical mailing list - Bill Davidson
    Mon, 6 Nov 2000 18:07:18 -0800
    ...I suppose it's the viscosity spread > that you're concerned with? Really? Wonder why my owner's manual shows SAE 30 (single grade...
  • Re: report on Limited Slip Differential
    Historical mailing list - Andrew Grebneff
    Mon, 21 Dec 2009 08:25:52 +1300
    ...Its locking ratio can be altered by changing the fluid viscosity. My Porsche trans is LSD... can't wait to try it out, if...
  • Re: Noisy lifter update
    Historical mailing list - Stan Wilder
    Wed, 15 Sep 2004 20:41:26 -0500
    ...Additives that increase viscosity can reduce bleed-down, but they come with the same undesireable side-effects of changing viscosity to one too heavy...
  • Re: 20W50 Castorl Engine Oil
    Historical mailing list - Geo & Kathleen Hahn
    Thu, 6 Aug 2009 14:59:34 -0700
    ...Remember that gear lube weights are computed quite differently from motor oil weight so the viscosity isn't as different as the numbers suggest...
  • has anyone seen July 2003 VWT?
    Historical mailing list - Paul Wies
    Sun, 18 May 2003 12:30:50 EDT
    ...I don't like the conclusion statement though: "Of course, the car now leaks because of the viscosity of the synthetic oil, but I...
  • Re: Automatic Transmission Fluid and Gear Oil Comparrison and Feedback please
    Historical mailing list - Dennis Haynes
    Sun, 3 May 2009 20:59:12 -0400
    ...What product/viscosity they are using? How many quarts are needed for the ATF and then for the Gear Oil? I am looking at...
  • 2-cycle oil-limited VW content
    Historical mailing list - Karl F. Bloss
    Fri, 1 May 1998 15:10:18 -0500
    ...Is 2-cycle typically 30-WT? I know not to use multi-viscosity oils for this. The mix ratio is 18:1. Thanks, -Karl...
  • Oh Well... Stripped Oil Drain Plug...
    Historical mailing list - Scott De Santi
    Sun, 24 Oct 1999 17:54:23 EDT
    ...I know I asked for info on oil viscosity additives... and yes, all this talk of oil and winter prompted me to go change...
  • Re: Synthetic Oil Conversion, What is the best Easy Access Brand, and Viscosity?
    Historical mailing list - Mike Collum
    Sun, 29 Jan 2006 11:17:22 -0500
    ...Synthetic Oil Conversion, What is the best Easy Access > Brand, and Viscosity? > > Living in northern Maine I see very cold winter temperatures which make...
  • Re: Castrol Hypuron 15W-40 Synthetic Blend?
    Historical mailing list - Stuart MacMillan
    Mon, 14 May 2012 21:08:04 -0700
    ...The thing about multi viscosity oils is that it's chemical "viscosity extenders" that give an effective viscosity range. The oil "behaves and lubricates...
  • RE: '87 Oil pressure NEED HELP!!
    Historical mailing list - Mark McCulley
    Thu, 25 Jul 1996 17:55:30 -0700
    ...Re: '87 Oil pressure NEED HELP!! Low idle speed and wrong viscosity oil can both cause this problem. Find out what oil is being...
  • Re: 5W30 Oil --- is it OK??
    Historical mailing list - Tyrone L. Greene
    Thu, 24 Jun 1999 18:55:08 +0000
    ...The summer heat and the Vanagon's oil pressure warning > system both indicate the need for higher viscosity. 10-40 should do it > unless...
  • Re: Tires - Syncro (frequently discussed)
    Historical mailing list - Todd Francis
    Fri, 27 Dec 1996 19:04:28 -0800
    ...The shearing action of the silicon fluid causes internal heat and results in a sharp increase of the fluid's viscosity. It becomes more...
  • Re: mixing oils?
    Historical mailing list - Mike Miller
    Wed, 24 Sep 2003 15:42:43 -0700
    ...It was all new oil but some was 10W-30, some was > 20W-50, and the other was something else in viscosity. All was...
  • Re: winter oil
    Historical mailing list - Joe Romas
    Mon, 6 Nov 2000 20:50:44 -0500
    ...what > you're after is better cold starts? Note that the second number is the > viscosity rating once the oil is up to operating...
  • Re: Automatic Transmission Fluid and Gear Oil Comparrison and Feedback please
    Historical mailing list - Robert Stewart
    Tue, 5 May 2009 16:32:53 -0400
    ...From what I could see it states the Royal Purple and > Lucas oils have every high viscosity at high temperatures after a KRL > 20Hr...
  • Re: home engine repair happenings: final fixes and oil presssurelight woes
    Historical mailing list - Stuart MacMillan
    Tue, 13 Mar 2001 09:20:39 -0800
    ...The light weight multi viscosity oils were designed only to improve fuel economy as mandated by the feds back in the '80s. In the...
  • Re: Oil & Antifreeze
    Historical mailing list - Bill Davidson
    Fri, 22 Sep 2000 10:44:15 -0700
    ...less viscosity in the winter if you live where it gets really cold. bill ----- Original Message ----- From: "TieDye" <boomin@EPIX.NET> To: <vanagon@GERRY...
  • Re: What Weight Motor Oil Should I Use?
    Historical mailing list - Dennis Haynes
    Wed, 28 May 2003 22:13:54 -0400
    ...Some synthetics are not available in that viscosity; 15w-50 is the choice. Dennis -----Original Message----- From: Vanagon Mailing List [mailto:vanagon@GERRY.VANAGON...
  • New oil data
    Historical mailing list
    16 Oct 92 20:36:56 GMT
    ...The Syntec seems to be compromised by it's wide viscosity range. Notice that the pour point is for all practical purposes, no better...
  • Re: Rubber Seal Treatment
    Historical mailing list - John Meeks
    Sun, 1 Nov 2009 14:29:06 -0500
    ...I just use enough water to cut the high viscosity of the glycerine to about that of dish soap or just a tad thinner...
  • Re: winter weight oil
    Historical mailing list - Thomas Casal
    Tue, 14 Apr 2020 23:00:15 -0400
    ...The 5w refers to the oil viscosity at 40C, (104F). The upper > number refers to the viscosity at 100C, (212F). With the stock system...