Date: Sun, 2 Mar 2014 07:13:58 -0800
Reply-To: Alistair Bell <albell@SHAW.CA>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Alistair Bell <albell@SHAW.CA>
Subject: Re: Oil pressure warnings, WAS: Mann Oil Filter and lifters
In-Reply-To: <BAY407-EAS12967CCB6EB896BE50F9F84A08C0@phx.gbl>
Content-Type: text/plain; charset=utf-8
You still don't have it right.
1 bar = 14.5038 psi
14.5038 X 0.03 = 4.35
Alistair
> On Mar 2, 2014, at 6:54 AM, Dennis Haynes <d23haynes57@HOTMAIL.COM> wrote:
>
> 14.1 psi = 1 bar. 14.1 x .3 = 4.23. I stand corrected.
>
> Dennis,
> From my phone.
> ________________________________
> From: Chris S.<mailto:szpejankowski@GMAIL.COM>
> Sent: 3/2/2014 7:30 AM
> To: vanagon@GERRY.VANAGON.COM<mailto:vanagon@GERRY.VANAGON.COM>
> Subject: Re: Oil pressure warnings, WAS: Mann Oil Filter and lifters
>
> Isn't the low pressure switch .3 bar? 1 bar = 14.5 psi?
>
> Chris.
>
> Wysłane z iPhone'a
>
> Dnia Mar 1, 2014 o godz. 22:55 Dennis Haynes <d23haynes57@HOTMAIL.COM> napisał(a):
>
>> I think some are missing the main point of the dual oil pressure warning
>> system. The low pressure switch is activated at around 3 psi. On the
>> Waterboxer the high pressure switch is ~12.6 psi. On the inline engines the
>> high pressure switch is ~ 25 psi. Having only the low pressure really means
>> that at speed it is no longer an oil pressure warning indicator but a
>> replace engine indicator. Unfortunately the engine would let you know
>> something was wrong by the strange noises, loss of power, the sudden smoke
>> screen as a rod exited the case.
>>
>> If your engine can't maintain 12.6 psi at 2,000 rpm you do have a problem.
>> Now with the water boxer it is possible to get the oil so hot that the
>> viscosity drops to the point that you will get the buzzer and there may be
>> nothing wrong except for that high oil temp. However that is still not a
>> healthy situation over the long term. If your driving style or needs are
>> such that this is problem then a good fix is a well-designed oil cooling
>> system. I am convinced that the oil cooler is the main reason I have had
>> such good luck with the engine in Fun Bus.
>>
>> Dennis
>>
>> -----Original Message-----
>> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of
>> mark drillock
>> Sent: Saturday, March 1, 2014 10:35 PM
>> To: vanagon@GERRY.VANAGON.COM
>> Subject: Oil pressure warnings, WAS: Mann Oil Filter and lifters
>>
>> I think the biggest improvement was making the oil warning led a blinking
>> warning to better get the driver's attention. The second oil switch I agree
>> is of debatable value except it allowed for a loud warning buzzer to be
>> added to really get the driver's attention while driving. I might be happier
>> with just a 1 switch setup if it was combined with a buzzer that triggered
>> whenever the warning light came on while the engine was running. An oil
>> pressure gauge is not a viable substitute for a warning light but does its
>> uses as an additional item though I know of many people who added one only
>> to have IT be the source of trouble.
>>
>> Mark
>>
>> Stuart MacMillan wrote:
>>> Interesting. But what's that good for other than causing anxiety?
>>> Without a gauge to monitor pressure under various conditions it's
>>> completely useless IMHO.
>>>
>>> Stuart
>>>
>>> -----Original Message-----
>>> From: mark drillock [mailto:mdrillock@cox.net]
>>> Sent: Saturday, March 01, 2014 4:36 PM
>>> To: Stuart MacMillan; vanagon@GERRY.VANAGON.COM
>>> Subject: Re: Mann Oil Filter and lifters Was:Engine Starting Problem
>>>
>>> This supposed correlation of the new dynamic oil warning system with
>>> some weakness in the 2.1 ignores the fact that VW began fitting the
>>> more complex dual oil switch system to all their vehicles in roughly
>>> the same time frame. The major makeover to the electrical system
>>> beginning in 86 Vanagons was merely a convenient point in time to also
>>> add the same modernized oil warning system that many of their other
>>> cars got the year before.
>>>
>>> Mark
>>>
>>>
>>>
>>> Stuart MacMillan wrote:
>>>> .....
>>>> If you want to really know what's going on with your engine and
>>>> bearings, install an oil pressure guage. Ignorance is not bliss with
>>>> waterboxers, especially with the 2.1s! VW knew this, and that's why
>>>> they installed two pressure sensing systems. .....
>>>
>>>
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