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Oil Temp Sending unit (electric)
by
TonyTDTruck
on 05 Dec, 2012 21:36
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Where does the oil temp gauge sending unit go? I would like to use an electric one but not sure where to install it. Oil filter flange? Back of cylinder head?
Also does anybody have a p/n for the sending unit and temp gauge?
Thanks
Tony
AAZ install in a transporter.
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#1
by
CRSMP5
on 05 Dec, 2012 21:41
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Oil filter flange
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#2
by
theman53
on 06 Dec, 2012 04:35
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I put mine in a T fitting in the oil filter flange. No part # for anything as I don't believe these ever came stock. I used an autometer and that is all personal preference.
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#3
by
rodpaslow
on 06 Dec, 2012 07:58
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I had no room at the filter flange so I put mine in the side of the head. My gauge maxes out at 280° and on a hot day the oil in the head runs about 230°F. My $.02 I don't think it matters where you put Oil temp gauge sender. Oil pressure should be at the filter flange.
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#4
by
theman53
on 06 Dec, 2012 08:20
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IMHO the head is a bad spot for temp as it will have residual heat from the coolant and it is thinner there. Also, IMHO pressure is best at the head as it is last in line for oil, so if there is a drop in pressure it will be the first to show you a problem.
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#5
by
92EcoDiesel Jetta
on 06 Dec, 2012 08:29
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Isn't the ideal spot for an oil temp gauge be in the sump? How about a dip stick sender?
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#6
by
RabbitJockey
on 06 Dec, 2012 08:54
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some came factory on a few different cars, they were mounted on the filter flange thing. sciroccos had them and also alot of cabriolets. i have cabby gauges in my jetta, volts, oil pressure, and oil temp.
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#7
by
TonyTDTruck
on 06 Dec, 2012 09:31
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#8
by
scrounger
on 06 Dec, 2012 17:49
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Actually the 1/8x27 is almost identical to the 10x1. When you get them line up the threads. It usually will screw in at least 3 turns.
I have screwed the npt into the metric hole many times.
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#9
by
theman53
on 06 Dec, 2012 18:36
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Yes you can use 1/8npt in m10, but you will never want to use the m10 in that hole when you are done. The taper screws it up a bit.
Interesting on the oil temp sender. I never have owned a rocco or cabby so I didn't know.
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#10
by
VW Smokr
on 06 Dec, 2012 22:18
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Since 10mm senders are readily available, why mess up a good 10mm thread with a 1/8" NPT sender; yeah, they kinda fit, but they very frequently seep also (like VAG diesels don't have enough leaks already
).
FWIW some of the VW Sciroccos & others have a large temperature sender (~284 degrees F!) mounted atop the oil filter flange to shut off power to the A/C compressor if the oil temp gets too hot. Haven't personally located any more useful (?) temp sender to occupy that spot, but there it should be possible to find or fab up an adapter that would allow a more standard unit to be mounted there. IMO that's a terrible spot for pressure monitoring... way too optimistic.
J.R.
SoCal
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#11
by
CRSMP5
on 06 Dec, 2012 22:44
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why a t or end of head bad... oil flow... pocket of oil thats not flowing is not accurate...
you can t a pressure gauge/sensor, oil feed to turbo.. but temp sensor has to be in the flow..
any 75-87 aluminum neck temp sensor works vdo temp gauges.. glowplug/temp gauge... so spare 1.5/1.6 diesel neck/heads got 2
--------*******disclaimer 16v vw heads do have a passage on the head for temp, 8v do not***********-----------