[urq] Oil temperature sender

[Brandon Rogers]

It's been a few years - but my recollection is the oil temp sender that fits
in the 10V is a 150C sender (I had gotten mine out of an early Coupe GT -
and a 150C gauge) and the one that fits in 20V blocks is 170C (I got the one
in my car now (w/ 3B/RR motor) from a CQ w/ 7A motor (and the accompanying
gauge).  They are different hole/thread size. Assuming you still have the WR
me thinks you may have a mismatched sender/gauge set.

Brandon 
'84 ur-quattro 20Vt
 
 


-----Original Message-----
From: urq-bounces at audifans.com [mailto:urq-bounces at audifans.com] On Behalf
Of Keith Lloyd
Sent: Friday, January 14, 2011 2:24 PM
To: urq at audifans.com
Subject: [urq] Oil temperature sender


Some time ago I replaced my diff lock panel with the three dial VDO pod
panel from a coupe. I retained the oil pressure gauge and the oil
temperature gauge but used an air fuel meter instead of the volt meter. The
oil pressure gauge works fine - slams over to 5bar when cold but falls back
to a more realistic 3 bar when warmed up. The air fuel gauge works fine too
but the oil temperature gauge bothers me. The sender remains the same - ie
it is the same one that fed the 170*C led bar graph in the diff lock panel.
The feed to the gauge comes from the wire that used to feel the led graph.
The VDO gauge has a 60-170*C range. The concern is that the gauge hardly
shows any temperature even when the water temp is up to normal (normal for
this car is just under mid way on the gauge) My question is: Does the old
diff lock panel have any whizzy circuitry in it that might alter the signal
to the led bar graph which would mean that using existing sender is not
compatible with the analog gauge of the same range? If so, I guess a new
sender that is definitely right for the gauge would be what I need. Just
what is "normal" oil temperature on a WR (or equivilent) quattro? Is a low
reading of 80 or so degrees normal? Perhaps my 5 row, re-cored rad (and no
aux rad) keeps everything really cool? Any thoughts gratefully received.
Many thanks

Keith

'87 WR
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