Date: Thu, 13 Sep 2012 20:56:15 -0400
Reply-To: Dennis Haynes <d23haynes57@HOTMAIL.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Dennis Haynes <d23haynes57@HOTMAIL.COM>
Subject: Re: [Diesel-Vanagon] Re: Oil temp gauges,
choices? Using water temp sender + gauge?
In-Reply-To: <1347566415.14973.YahooMailNeo@web163404.mail.gq1.yahoo.com>
Content-Type: text/plain; charset="iso-8859-1"
In dash gauges are not high precision devices. I have found that the for the
VDO gauges the senders for the aftermarket gauges often do not match what is
used for OEM gauges. Get the correct sender that would be sold with/for the
gauge you are using.
Next is choosing a suitable location for the sensor. For the inline engines
VW usually choose the oil filter mount, direct center which is the return to
the engine. If there is a cooler this can be a little misleading as it is
the cooled (or heated) oil going back. I prefer to drill the filter mount
and install the sensor where the oil comes out. Another option is to install
the sensor in the pan. VDO does even market sensor that replace the drain
plug, (I don't like that due to impact possibility and the wire at oil
change time).
Gauge accuracy really isn't critical. Whether the oil is 210 or 220 is not
an issue. The problem is when it continues to climb to the point that oil
pressure starts to drop. What you want to know is where things are normally
and then to know when something is different.
Dennis
-----Original Message-----
From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of
Poppie Jagersand
Sent: Thursday, September 13, 2012 4:00 PM
To: vanagon@GERRY.VANAGON.COM
Subject: Re: [Diesel-Vanagon] Re: Oil temp gauges, choices? Using water temp
sender + gauge?
I'm back to my quest to get accurate oil temp readings. After reading
numerous threads on VW forums I see that it is common that temp reading on
cockpit instruments are not that accurate (meaning +-10 to 20F error). Some
have resorted to trying different sensors until one a match between sensor
and gauge is found.
The sensor I tried was this one, that nominally is a 0-150C sensor, but I
understand matches with the 300F VDO vision gauge. However I didn't get
accurate readings as mentioned below:
https://www.busdepot.com/oil-temperature-sender
Part Reference Number: 049919563A
Brand: FAE
I was wondering if the newer style sender also has an M10x1 thread, and thus
would fit my AAZ and other older Diesel blocks. This is the one:
https://www.busdepot.com/1h0919563
Part Reference Number: 1H0919563
Brand: FAE (Italy)
Also, maybe a long shot, what is the thread of a type 1 drain plug hole? If
M10x1 could I try this sensor?
https://www.busdepot.com/323888
Thanks,
Martin
________________________________
From: Chris <cirvin1@yahoo.com>
To: Diesel-Vanagon@yahoogroups.com
Sent: Thursday, August 30, 2012 4:12:29 PM
Subject: [Diesel-Vanagon] Re: Oil temp gauges, choices? Using water temp
sender + gauge?
Interesting information. I'm pretty sure my sender is a VDO brand. I wonder
how the accuracy compares to the FAE?
--- In Diesel-Vanagon@yahoogroups.com, Poppie Jagersand
<poppie.jagersand@...> wrote:
>
> Just received BD order and tested VDO 300F gauge and FAE (says made in
> Spain) sender 049 919 563 A
>
>
> With the same setup as testing the FLAPS gauge, a reference meat
thermometer and the sender in a kettle of water, the VDO gauge seems more
accurate. Remember from my other post that the FLAPS gauge showed 20F too
low.
>
> The VDO gauge is a bit of a mixed bag. To damp needle movements I suspect
is uses some mechanical viscous mechanism built into the analogue
instrument. (Modern designs would use an electronic filter) This damping
may also have a constant sticktion giving the meter a bit of hysteresis.
>
>
> Results from temp testing:
> VDO True
>
> 180F 190 on slowly rising temp
>
> 180F 181 on slowly falling temp ~200F 207F Boiling
> water at 2000ft alt
>
> (VDO reading of ~200F is visual interpolation between 180 and 220
> markings)
>
>
> Gauge markings are 120, 180, 220, 260, 300 The scale is non-linear and
> 220-260F is given the most space. It would have been nice if VDO had
printed 3 thin lines for the intermediate 230, 240 and 250F temps.
>
>
> Martin
>
>
>
> ________________________________
> From: Poppie Jagersand <poppie.jagersand@...>
> To: "Diesel-Vanagon@yahoogroups.com" <Diesel-Vanagon@yahoogroups.com>;
>vanagon vanagon <vanagon@...>
> Sent: Thursday, August 16, 2012 12:13:09 PM
> Subject: Re: [Diesel-Vanagon] Oil temp gauges, choices? Using water temp
sender + gauge?
>
>
> Update to below:
>
> Busdepot indeed has VDO gauges. I just had difficult to use the search
feature on their new web page.
>
> Fred, their customer rep, said tghe following pair would work, so I
ordered that + some misc stuff I needed.
> VDO Oil Temperature Gauge 310012 1 $24.95 Oil Temperature
> Sender 049919563A 1 $5.15
>
> Shipping to Canada expensive, but more reasonable from BD than many other
US sites.
>
> I'll update on the gauge/sender accuracy when I receive it. (As I
> posted the generic FLAPS gauge/sender combo I bought showed 20F too
> low, so I decided not to use it)
>
>
> Will take a trip to Waterton/Glacier NP this weekend.
>
> Martin
>
>
> ________________________________
> From: Poppie Jagersand <poppie.jagersand@...>
> To: vanagon vanagon <vanagon@...>; "diesel-vanagon@yahoogroups.com"
><diesel-vanagon@yahoogroups.com>
> Sent: Monday, August 13, 2012 11:41:31 AM
> Subject: [Diesel-Vanagon] Oil temp gauges, choices? Using water temp
sender + gauge?
>
> Hi,
>
> After the overheat issues with my 1.9TD Westy I wanted to install an oil
temp gauge as a 2nd check on temp. I bought a "universal gauge and sender
kit" from the FLAPS (Princess Auto), but the sensor thread was 1/8" - 27
thread and and VW wants 10x1 mm.
>
>
> I found a post on vw vortex saying I can just use a temp sender :
>
> http://forums.vwvortex.com/showthread.php?4747075-Want-to-install-oil-
> press-temp-gauge
>
> What do you think about this?
>
> Appealing for me because the temp sender I probably have among spare
> parts in the garage or it is listed at busdepot. (I searched for a
> oil temp gauge kit at BD bud didn't find one)
>
>
> What I'm concerned is to get a temp sender that somehow has the wrong
>electrical properties. Are the
> sensors pretty much the same and it is just the gauges that vary? Or do I
have to match the sensor to the gauge?
>
> Tips for where I can buy a metric inexpensive kit in Canada would also
> be appreciated (ie Pricness auto, parts source, numper to pumper...).
> If I find the right kit I'll return the kit with the 1/8" sender and
> get a matched sender and gauge)
>
>
> Martin (and '82 Westy 1.9TD)
>
>
> [Non-text portions of this message have been removed]
>
>
>
> ------------------------------------
>
> Yahoo! Groups Links
>
>
>
> [Non-text portions of this message have been removed]
>
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